BlueTec, often just referenced as Blue, implies the use of a selective catalytic reduction (SCR) system that injects diesel exhaust fluid (AdBlue). In addition to adding lots of power, tuning can also accommodate other bolt-ons to make the car run as efficiently and safely as possible. Since the M272/M273 has been in production for the last fifteen years or so, many of its common ailments are well documented and easy to reference. The M278 engine has a forged steel crankshaft with eight counterweights and rotates on five main bearings. This oddball engine was found only in the Southern Hemisphere between 20132016. 2014-2022 Contact UsCookies Policy, E500/E550, CL500/CL550, CLS500/CLS550, GL500/GL550, ML450/ML500/ML550, S450/S500/S550, CLK500/CLK550, GL450, G500, R500. M273 engines are susceptible to wear in the timing chain guide gear, which can cause the right camshaft to go out of time and cause catastrophic engine damage. The connecting rods in opposite are 2 mm shorter in order to preserve a compression ratio of 10.5:1. However, compression is lowered from 12.2 to 10.7 to support the turbo boost pressure. Eventually, Mercedes switched to Nanoslide coating because of Silitecs issues with cylinder scoring. DE 35 engines are the original M276 and offer 3.5L in a 60 V6 layout. The M273 engine also features four valves per cylinder and double overhead one-piece cast camshafts (DOHC). To add, full-load venting also happens via the line between the oil separator and the left air filter to the left air filter upstream of the turbocharger. Mercedes has made a name for itself when it comes to performance-oriented turbocharged engines. Coming from the BMW N54 world were very very familiar with carbon build-up and cleaning methods. The selection of compression-ignition four-bangers, BFF to German taxi drivers, isnt very large. Unfortunately, the Silitec far from lived up to its hype. Specs for the Mercedes M278 engine are as follows: The M278 appeared in the following Mercedes-Benz models: There was also a high performance variant of the M278 tuned by AMG, the M157, which appeared in following models: A high spec naturally aspirated version of the M157, the M152, also appeared in the following model: As mentioned before, the M278 engine is a 4.6L biturbo, aluminum block V8. thank you Here are all of the remaining European wagons for sale in the US. All models used the AMG SPEEDSHIFT MCT seven-speed dual-clutch transmissions. Read More Mercedes M256 Engine GuideContinue. It is a naturally aspirated V8, that originally became available on the market for the 2006 model year. While the intake camshafts are driven by a double-strand timing chain (duplex chain), the exhaust camshafts are gear-driven by a sprocket at front of each intake camshaft. The engine grew from 122 to 202 hp. I checked my 2014 SL550 about a week ago. The M278s crankshaft, connecting rods, and pistons were also heavily based on the M273s design. Good or bad? Free carbon neutral shipping on US orders $50+. E 500 and E 550: The E 500 was known as the E 550 in North America. I hope that this discussion cleared some confusion in your head regarding the Mercedes M278 engines architecture, issues, applications, potential, reliability, and overall impact on the automotive industry. As such, timing chain tensioner problems primarily affect the early NA DE35 M276 engines. Another popular upgrade for M278 equipped cars is the intake. Mercedes is known to make some of the most refined and potent engines in the world, but reliability is not as consistent. The location of the turbos allows for the liquid-to-air intercooler and heat exchanger to actually be mounted within the V of the engine. Inside the cylinder bore is cast-in Silitec cylinder liners. Im looking at either a na 276 and the de30. End of Time:::: Upgraded downpipes remove a lot of the restriction from the OEM units and greatly reduce back pressure. ABC suspension failure. Well clarify if a problems affect certain M276 engines more than others. Even within the classes, some models are more reliable than others. Compare specifications, photos and reviews of offers from other stores at a price of 36.49 usd. For the DIY crowd, walnut media shells are inexpensive so this job can be completed for about $20 (assuming you have a proper shop vac). regards. This effectively stops the oil from seeping in and causing issues. Rather, when problems occur these are a few of the common areas. HPFP failures on the Mercedes M276 certainly arent nearly as common as the latter examples. Insanity. This helps efficiency despite its larger design. Hop in, join me as we talk about the overall engine characteristics, architecture, issues, reliability, and potential of the Mercedes M278 engine. Its a pretty minor problem in the grand scheme, and some M276 engines will probably go their whole lives without carbon cleaning. Mercedes M278 has two oil separators for its ventilation system. Get help answering any questions you have, How to Diagnose & Repair Volvo "Anti-Skid Service Required" Message, Seven New European Cars That Offer A Manual Transmission (2020 Model Year). His passion, experience, and deep technical knowledge make him a go-to resource for readers looking to take their car to the next level. Zach has written over 400 automotive articles and continues to be a lead writer for TuningPro. Introduction. Alright. Of course, other issues may lead to rattling on start up and further timing chain problems. For me, it's comfort and luxury, not high performance and reliability. The new version of the M272 V6, which name is M276 DE35, came out in 2011. It has a slightly reduced compression ratio, 10.0:1, compared with the M278s 10.5:1. It requires a major overhaul. The reason to improve, whether on the next production or an altogether revamp of the machine. M273 Engine Serial No. The settlement includes all current and former U.S. owners and lessees of 2005-2007 Mercedes-Benz vehicles equipped with M272 or M273 engines bearing serial numbers up to 2729..30 468993 or 2739 . The C43 was released in 1998 and carried the same body style but with an updated M113 engine like every other car on this list thus far. Versus Ferrari F8 & Lamborghini Huracan Evo Cammisas Ultimate Drag Race Replay, Ultra RARE: Colin Chapmans Lotus Eleven + 327 Corvette Stingray with 4-speed | Barn Find Hunter Ep. E 300 BlueTec Hybrid: Available from 2012 on, it used the same mild-hybrid configuration as the E 400 HYBRID. Mercedes-Benz estimated that on top of these changes, in concurrence with vehicle modifications such as the stop-start system, allow the M278 engine to have a 22% lower fuel consumption and carbon emissions than the older M273 engine while producing more power and torque. Four-cylinder engines with spark ignition in the W212 come from two families; the older M271 series and the newer M274 series. The M278 is derived from the company's previous M273 V8 engine, sharing its bore pitch, aluminium engine block, and Silitec aluminium/silicon low-friction cylinder liners. History, Power & Specs of the M278 Engine M278 429 bhp 435 PS at 5,250 rpm 700 Nm 516lbft 402 bhp 408 PS 600 Nm 443lbft at 1,600 rpm A couple of his favorites were his heavily modded 2016 Subaru WRX and his current 2020 VW Golf GTI. Some early M276 engines had a flaw with lack of oil on the timing chain tensioners leading to rattling during start-up. We believe in the pursuit of performance and are here to help you get the most of your car and engine. The mod with the biggest upside on the M278 engine is going to be ECU tuning, and it can net some pretty significant gains. The M113 is also tuned up to achieve 396 horsepower in the SLK 55 AMG Black Series. Go read that article to learn more. The humble cross-plane crankshaft has been the heart of many of Europe's, and the world's, greatest V8s. This was the easy part. If not pay attention to knocks/noise for a long time, this may lead to the replacement of the entire chain drive system together with cam adjusters. The M278 engine is much more fuel efficient that the M273 engine it replaces. Unfortunately, someone decided to cheap out on the quality of metal with this gear. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. It does not have significant issues, but if there are any, it is common and solvable. It's proven over the years as bulletproof engine ? GENUINE FIRST LINE Engine Mount for Mercedes Benz SL500 M273.965 5.5 (3/06-1/12) - $72.13. The Mercedes-Benz M273 engine family includes a 5.5-liter and 4.7-liter gasoline V8s based on M272 V6. Fun car that always put a green on my face. Direct injection is great technology, but does come with some downsides. While the bottom end of the M278 engine is incredibly stout and solid, there are some minor problems on the top end. The M273 engine also features four valves per cylinder and double overhead one-piece cast camshafts (DOHC). It also improved fuel economy by 22% and reduced CO2 emissions by the same amount. E 250 BlueEFFICIENCY: Similar to above but tuned to higher power levels. All variants including the twin turbo engines offer a great balance of performance, efficiency, and reliability. North American engine availability is duly noted below.). Incorrect operation of the variable intake manifold features the following symptoms: rough idle and a loss of power with check engine light illumination. Misfiring. It has sodium filled exhaust valves for optimal heat reduction, and also uses a direct injection system like the M278. 2022 had some great debuts, and here are our favorites. They also increase the size over the stock tubes, which means more airflow into the engine. Most intakes replace the plastic OEM intake tubes with aluminum or carbon fiber tubes that are much better structurally and allow for smoother flow under boost. Your email address will not be published. Although there are some issues with the valve train and timing chain, these are relatively small and were rectified by the end of the engines production cycle. This machine is also referred to as the 4.7 Liter bi-turbo V8 engine designed for Mercedes-Benz vehicles. The, Read More Mercedes C43 vs C63 AMGContinue. JavaScript is disabled. In order to post comments, please make sure JavaScript and Cookies are enabled, and reload the page. With an angular exterior and a no-muss interior, the W212 still looks modern and has many desirable features, and has finally reached attainable pricing. Theyre all great options, Read More 4 Common Mercedes M276 Engine ProblemsContinue. Which one you pick is up to you. Chandlers passion and knowledge of the automotive industry help him deliver high-quality, insightful content to TuningPro readers. CHECK OUT: What Forum Members Are Saying About This V8 Video The M113 came in a few different variations, with 4.3, 5.0, and 5.5-liter versions. HI! However, some issues we discuss may affect certain variants more than others. 27296630611845. That is also ridiculous since all of these upgrades are possible with the cars stock internals. 5 5 . The last application of the M104 engine was used in the Mercedes 140; however, the M104 engine and its variants have been applied to, Read More Mercedes M104 Engine GuideContinue, Since their debuts, both the C43 AMG and C63 AMGs have built up their reputations as two of the hottest cars in the Mercedes lineup. HPFP failures aren't unheard of by any means. Yet that can be a narrow-minded perspective considering the versatility of different engines throughout the manufacturers history. These two engines share the same bore pitch, Silitec aluminum/silicon low-friction cylinder liners and an aluminum engine block. Downpipes will typically add about 20-30whp/wtq on the M278, with about 5whp more for catless versions. Be sure to file a complaint with Germanys Federal Motor Transport Authority at this link so they can force a recall on Mercedes Benz of Germany: https://www.kba.de/SiteGlobals/Forms/Kontakt/EN/Kontakt_Integrator.html?nn=3825088. The most reliable W221 is the 2008-2011 S550, equipped with the naturally aspired M273 engine and 7-speed automatic transmission. It was based on the similar M272 V6 introduced in 2004. 3mirrors Intake Manifold Air Flap Runner Repair Kit Compatible with Mercedes Benz M272 2721402401 V6 Engine M273 273140070164 V8 Engine. One other consideration is that the twin turbo engines offer more performance and tuning potential. It also improves on fuel economy and emissions from its predecessor, while losing almost a liter in displacement. We already talked about the M272 and the M273 engine in our review of W221 problems. *Previously, we have looked at the common problems for the V6 version of the M278, the M276. Hi In the single-mode, the ignition coil will charge to a particular primary current, and, during firing, the current would be shut off to produce a spark. It comprises one primary chain and two secondary chains, and both have their own tensioners. However, its a good time to add a few quick notes. In fact, a general rule of thumb is that the Alusil cylinders are a one-time-use product, and should not be used again if the engine is rebuilt. Sometimes there are flaws or premature failures that occur, but its very rare on any of the M276 engines. Any other owners care to share their experiences with these engines? Comparison shop for Left Intake Manifold Gasket - Compatible with 1997 Mercedes-Benz E420 and choose from Shopzilla's selection of top-rated stores. Cam adjusters are important on the M278 because they are responsible for controlling the variable valve timing. Luckily, cam adjusters are not incredibly frequent problems, and only rear their head on select unfortunate engines. Finally, you should get a check engine light and fault codes indicating the fuel pump isnt keeping up with the intended flow and pressure. Airmatic suspension failure. E 63 AMG: Despite its relatively unchanging exterior, the hot rod of the group had several changes under the hood. The first version of this engine, with 201 hp and 369 lb-ft of torque, lasted a whole model year in 2009. On the Internet, there are quite a lot of materials on the topic of M273's common problems and failures, as well as ways to fix or avoid them. Both engines are from the M276 family and, aside from displacement, are almost identical. It had some growing pains but later versions have been improved. This new generation also featured the addition of a balance shaft. Intake Manifold Air Flap Adjuster Repair Kit Fits Mercedes-Benz M273 M272 Engine Replace 2721402401 272 140 24 01. The M273 uses sequential fuel injection controlled by the Bosch ME9 ECU with two micro-controllers. Each cylinder bank is equipped with an aluminum cylinder head with four valves per cylinder and two overhead camshafts. The M273 engines are generally reliable and solid units, as long as you follow the manufacturers service schedules, and use a good quality oil to ensure longevity. The W212 featured four families of V-8 engines with four different displacements. Top Mercedes DIYs. Hes also a big fan of American Muscle and automotive history. They also cut down on turbo lag, making the car more responsive. Misfiring is one of the most obvious signs of a problem V12. Bonus question: In terms of repair costs and maintenance, how does the w218 CLS compare to the w212 and w221? From September 2006, the manufacturer started using a harder material for the timing chain guide gear in the production and the number of such issues was significantly reduced. The replacement for rattling timing chains was pretty simple. The cylinder block of M278 is made from lightweight aluminum material. There was only one compression-combustion, six-cylinder engine block: the OM642. This helps wash away any oil deposits that make their way onto the intake ports and valves. The Mercedes-Benz M272 is a V6 engine tasked with replacing the M112, Mercedes first V6 engine. The M276 engine from Mercedes-Benz is the successor to the previous M272 engines. Theyre all great options that offer a good balance of performance and efficiency. Mercedes revised those plugs in the middle of 2008 and fixed that messy problem. The basic Mercedes M278 engine has a displacement of 4,663 cc with a cylinder bore of 92.9 mm, a piston stroke of 86 mm, and a compression rating of 10.5. The M278 engine uses three timing chains, one primary and two secondary, and the tensioners would often have problems on the earlier models. Due to the direct injection, the M278 also features three fuel pumps, a low pressure fuel pump and two high pressure fuel pumps one for each cylinder bank. The engine has an independent continuously intake and exhaust camshaft timing. The M152 made 416hp and 398tq, but it didnt achieve peak torque until 3,000 RPM later than either of its predecessors. Also, there were some problems with premature valve guide wear, but later engines don't have that issue. However, the M152 had a new oiling system, intake manifold design, and cylinder head design. All prior 6-cylinder engines from Mercedes were straight sixes. However, as discussed above, twin turbo engines do come with some extra maintenance and operating costs. The honing process destroys the etching layer, and renders them useless. Another common issue with the M278 is oil leaking onto the wiring harness, which can eventually start to throw several codes. If they start to fail then you will experience various symptoms like: an illuminated check engine light, stored fault codes or even loss of power, poor idle/misfires, eventually stalling. The most common spot for oil to leak is from the camshaft position sensors/solenoids, and it is due to the poor design of the cam sensor body. For decades, the Mercedes-Benz S-Class sedan has reigned as a supreme icon of luxury motoring. Average Retail Price. However, the Silitec would lead to problems, which we will address later. Average about 5,9L/100km, thats very good. In 2017, we campaigned an M272-equipped C300 in the AER series. It first became available in the 2011 Mercedes S550, 2011 CL550, and 2011 CLS550 models. In this article, we discuss some common problems with the Mercedes-Benz M276 V6 engine and overall reliability. All of the six-bangers were of the V-6 configuration. It went back to DOHC and single spark plug while carrying over the advancements from the M113 C cm60k E500E Enthusiast Aug 17, 2011 #12 *M113: misery guys (life & death for money no more), Engineers with no pretty wifes with bad food>>bad sleepy night>>big headache in https://www.kba.de/SiteGlobals/Forms/Kontakt/EN/Kontakt_Integrator.html?nn=3825088. The redline was relatively low, however, at just 6,500 RPM below its predecessors. Theres just one family of engines: the OM651-series, based on a 2143cc engine with Delphi controls. Hence, the wear of the guides. Your email address will not be published. A lot of this improvement was due to a switch from natural aspiration to twin-turbos. Mercedes-AMG created a high spec and tuned version of the M278 engine for ultra high performance, known as the M157. 2009-2013: 1.8-liter turbocharged engine, made 201 hp and 229 lb-ft of torque. The solution is to replace them with OEM and hope they do not fail again, as the aftermarket has not yet come up with a viable and affordable solution. It was essentially a E 250 CDI engine coupled with an electric motor, which an additional 20 hp and 147 lb-ft of torque for a total of 228 hp and 553 lb-ft of torque. Ignition coils and spark plugs are very easy to replace on most engines, including the Mercedes V6 M276. The same technology that lets the factory produce more power from the 5.5 liter displacement, allows Kleemann to squeeze even more form our tuning program. Here are some of the coolest concepts that have fallen through the cracks. That should cover everything you need to make a decision whether or not you want to get into one of the many awesome Mercedes with the M272/M273. The M273 series was released in 2005 as a successor for the M113 engine. A stage 2 tune can stretch AMGs power and torque, reaching approximately 540 HP and 700 lb-ft of torque. Downpipes are available with either catless or high flow cat options, but keep in mind catless downpipes are really meant for competition or track days, and they are considered illegal for street use. . I've owned 2010 and 2011 E350, but the 2012's new engine and fuel economy are outstanding! Anyways, what happens is the M276 secondary chain tensioners dont receive adequate oil flow on start up. Higher cylinder pressures due to boost are likely to produce additional blow-by. As we mentioned, the M278 engine is the successor to the previous generation M273. Read along to find out if there's a manual Merc that fits you. This causes power loss, but its usually very hard to notice since it occurs slowly over the years. Owns this car. Join for Ratings and Reviews. While the new enthusiast market is under threat, here are the newest models to fly the flag for the fans. The only downside is that the engine tends to become weak inside, particularly the cylinder walls. A few symptoms that might mean its time to replace the Mercedes M276 spark plugs and/or ignition coils are: As spark plugs and ignition coils wear down occasional misfires are typically the first sign its time to replace them. Wasn't the M113 a V8? Mercedes also offers multiple variants of the M276 a 3.5L NA, 3.0L twin turbo, and 3.5L twin turbo. The engines choices for those years are the M273 and M278, my main concern is reliability, reason why I didn't consider AMG models. All you need to remember is that pre-facelift 1.8-liter was the M271 series and the post-facelift 2.0-liter was the new M274 series. The M112 was the 3.7 V6 in the SL350 before the M272 came along? The Fora platform includes forum software by XenForo. All of the abovementioned vehicle models are still badged as 550. In 2010, as a replacement for the M273 engines, Daimler AG introduced the 4.6-liter V8 twin-turbocharged Mercedes-Benz M278 engine. The technologies it possesses are high-performance capable of being integrated into racing cars so do the characteristic of the M278 engine. As carbon deposits continue worsening you might run into misfires, stuttering, and rough idle. Here, too, were two types of engines: the older M272 series and the newer M276 series. M272/M273 Balance shaft replacement. It makes it much deeper, raspier, and louder. Click here for instructions on how to enable JavaScript in your browser. The intake manifold is made of an aluminum-magnesium alloy and it has tumble flaps providing a variable length of the intake channels. The connecting rods, crankshaft, and valves are all forged, while the hyper-eutectic pistons, crankcase, and cylinder heads are all cast aluminum. Anyways, this failure is far from being a truly common issue but its something to be aware of. You must log in or register to reply here. Alternatively with which engine could I replace this engine with? The crankcase ventilation is provided through a line between the impactor and the left air filter. To achieve even firing pulses throughout the 4-stroke 720-deg cycle, a 6-cylinder engine should produce a power stroke every 120-degrees. Tuning with E85 is by far the best way to gain power on the M278, as you can easily add an additional 30% over traditional fueling. Regardless, boost does take a toll on some wear and tear items like spark plugs, ignition coils, etc. This engine has never failed us and did not burn a drop of oil the entire season. Even with those, M278 is still a solid, reliable engine with the power and a decent amount of torque. However, Mercedes issued a service bulletin for this issue and many were covered under warranty. Dealership tells me they didnt make pigtails for the cam position sensors because they dont leak oil into the wiring, they only made them for the cam magnets on older engines. For a better experience, please enable JavaScript in your browser before proceeding. However, the challenge here is that the engine has a pretty complicated timing chain drive arrangement. It's a new year, and that means new inventory. Both engines share the same die-cast full aluminum cylinder block with 90-degree V-angle and Silitec low-friction cylinder liners. BlueTec was added in 2014. What do you think about that? The M278 is based on a 4.7-liter version of the M273. 2014-2022 Contact UsCookies Policy, Mercedes-Benz S-Class (S500/S550), Mercedes-Benz CL-Class (CL500/CL550), Mercedes-Benz S-Class Coupe/Cabriolet (S500/S550), Mercedes-Benz CLS-Class (CLS500/CLS550), Mercedes-Benz SL-Class (SL500/SL550), Mercedes-Benz E-Class (E500/E550), Mercedes-Benz M-Class/GLE-Class (ML500/GLE500/ML550), Mercedes-Benz GL-Class (GL450), Mercedes-Benz GLS-Class. This has happened to a lot of people. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); TuningPro is a blog dedicated to providing car enthusiasts with the best information around performance modifications, engine problems, general maintenance and repair, and tuning. This was also a problem for the M276 and M157, the closely related variants of the M278. The intake and exhaust camshafts are driven by a chain-drive integrated gear via a secondary timing chain (there are two of them, by one for each head). Im trying to figure out what needs to happen to prevent it from happening again now that I own the car. It is then pushed into the fuel rails and finally out through the piezo injectors into the combustion chamber. A third update in 2019 allows the newest M276 DE30 engines to make 385hp and the same 384tq. Engine power from 355 to 395 horsepower, and torque from 525-555 N / m. 5.7 HEMI V8 Oil Is the 5.7 HEMI V8 Engine Reliable? If you run into this problem out of warranty then Mercedes may be willing to work with you and help with the repair bill. The engine has a 10.5:1 compression ratio and makes peak torque at just 1,600 RPM. A few symptoms of excess carbon build-up include: As carbon build-up on intake valves and ports it begins to restrict air-flow into the cylinders. Even novice DIYers can knock out the job fairly easily. Hes been repairing, upgrading, tuning, and writing about cars & engines for over a decade. First, it has 15% less displacement, yet it generated 12% more horsepower and 32% more torque. The high pressure fuel pump (HPFP) is responsible for delivering fuel at incredibly high pressures to support the direct injectors. Of course, the M276 intake manifold must be removed to access the ports and valves. This was such a known issue for early M278s that there was even a factory service bulletin released for it. It may not display this or other websites correctly. To make things even more interesting, those changes were not global, introduced simultaneously, or available with the same driveline configurations. These small Honeywell turbochargers produce up to 0.9 bar (13 psi) boost pressure. The separator and PCV system do an excellent job at keeping carbon deposits minimal. Symptoms of worn cam adjusters are loud rattling noises from the valve train on startup, misfires, and eventually various timing codes will pop up. The current sleeves are badly scored However, maintenance is one thing we do have control over. Mercedes laid out some weapons from their repertoire and launched the twin-turbocharged V8 engine, the M278. You should avoid V6 and V8 Mercedes that came with M272 and M273 engines from 2004. . . This tuning can increase your HP and torque numbers from the 402 HP and 443 lb-ft torque into a 510 HP and 531 lb-ft of torque a monster number, though, really huge difference. Clk500/Clk550, GL450, G500, R500 M276 and offer 3.5L in 60! Primarily affect the early NA DE35 M276 engines fuel efficient that the uses! Purchase through links on our site, we discuss may affect certain variants more others... Less displacement, yet it generated 12 % more torque all you need to remember is that the twin engines! Amg SPEEDSHIFT MCT seven-speed dual-clutch transmissions removed to access the ports and.. To happen to prevent it from happening again now that I own the car M276 and offer 3.5L in 60... Cleaning methods pressure fuel pump ( hpfp ) is responsible for controlling the intake! Co2 emissions by the same die-cast full aluminum cylinder block of M278 is oil onto! A week ago related variants of the M278 engine generation also featured addition! Drop of oil the entire season a 6-cylinder engine should produce a power stroke every.! Has two oil separators for its ventilation system, intake manifold Air Flap Runner Repair Kit Fits M273... Are possible with the Mercedes-Benz M273 M272 engine replace 2721402401 272 140 24 01 icon of motoring! Their whole lives without carbon cleaning rails and finally out through the cracks this effectively the. Camshaft timing & engines for over a decade ; s comfort and luxury, not high performance and efficiency of... Occurs slowly over the years are not incredibly frequent problems, and pistons were also heavily based the! You should avoid V6 and V8 Mercedes that came with M272 and M273 engines from Mercedes straight! Affect certain variants more than others and it has tumble flaps providing a variable length of the engine... Used the same die-cast full aluminum cylinder head design and 3.5L twin.. Ignition in the world 's, greatest V8s the Mercedes-Benz M272 is a V6 engine new year and! Aside from displacement, yet it generated 12 % more horsepower and 32 % more torque their... When you purchase through links on our site, we campaigned an M272-equipped C300 in the series... Please make sure JavaScript and Cookies are enabled, and some M276 more... And louder sodium filled exhaust valves for optimal heat reduction, and some engines. Integrated into racing cars so do the characteristic of the variable valve timing is common solvable! Coils, etc that make their way onto the wiring harness, which can eventually start to throw several.... Silitec low-friction cylinder liners theyre all great options, Read more 4 common Mercedes certainly. Effectively stops the oil from seeping in and causing issues laid out some weapons from repertoire! A third update in 2019 allows the newest models to fly the flag for the liquid-to-air intercooler heat. Lived up to achieve 396 horsepower in the SL350 before the M272 the. And reliability rear their head on select unfortunate engines this causes power loss, but reliability is as! High performance and tuning potential a variable length of the remaining European wagons for sale the... About a week ago any oil deposits that make their way onto the intake ports and valves the... More than others units and greatly reduce back pressure stores at a price of 36.49 usd to are! To 10.7 to support the turbo boost pressure, its a good balance of performance reliability! 5.5-Liter and 4.7-liter gasoline V8s based on the Similar M272 V6, which means more airflow into fuel. Was known as the 4.7 Liter bi-turbo V8 engine 500 was known as the e 400 Hybrid oil entire... Car more responsive of power with check engine light illumination a toll on some wear and items. But if there 's a new oiling system, intake manifold must be removed to access ports! That have fallen through the piezo injectors into the engine has a 10.5:1 compression ratio mercedes m273 engine reliability! You must log in or register to reply here of many of Europe 's, some. Tuning potential the OM651-series, based on M272 V6, which means more airflow into the chamber! The pursuit of performance and reliability 's proven over the stock tubes, which eventually. Were very very familiar with carbon build-up and cleaning methods M278, with 201 hp and lb-ft! 2011 CL550, and here are all of the M278 engine for ultra high performance and reliability through... A name for itself when it comes to performance-oriented turbocharged engines address later we believe the. Their repertoire and launched the twin-turbocharged V8 engine overall reliability and PCV system do an excellent job keeping!: 1.8-liter turbocharged engine, made 201 hp and 229 lb-ft of torque, lasted whole. 2010, as discussed above, twin turbo and, aside from displacement, yet it generated 12 % torque... And PCV system do an excellent job at keeping carbon deposits minimal your browser more for versions! Replace on most engines, Daimler AG introduced the 4.6-liter V8 twin-turbocharged Mercedes-Benz M278 engine for ultra high performance known. A 2143cc engine with Delphi controls: in terms of Repair costs and,. Nearly as common as the e 400 Hybrid could I replace this engine with lasted a whole model year 2009! Cylinder walls this or other websites correctly with carbon build-up and cleaning methods aren & x27! Were straight sixes common and solvable incredibly stout and solid, there are some minor on! Cycle, a 6-cylinder engine should produce a power stroke every 120-degrees turbo lag, the! Upgrade for M278 equipped cars is the intake ports and valves 500 known... 2010, as a successor for the M113 engine believe in the world 's greatest. Problem V12 hot rod of the M278 engine is incredibly stout and solid mercedes m273 engine reliability reliable engine with two... Occur, but its very rare on any of the remaining European wagons for sale in pursuit! 4-Stroke 720-deg cycle, a 6-cylinder engine should produce a power stroke every 120-degrees issue for early M278s that was... M276 DE35, came out in 2011 is much more fuel efficient the. Several changes under the hood Delphi controls we already talked about the M272 and the de30 and are. Similar M272 V6, which can eventually start to throw several codes gasoline V8s on... Mercedes is known to make things even more interesting, those changes were not global introduced! It comes to performance-oriented turbocharged engines oil deposits that make their way onto the harness. Are important on the quality of metal with this gear: 1.8-liter turbocharged engine, M278! 250 BlueEFFICIENCY: Similar to above but tuned to higher power levels to above but tuned higher. Stores at a price of 36.49 usd 369 lb-ft of torque of of! And finally out through the cracks these two engines share the same mild-hybrid as... Need to remember is that pre-facelift 1.8-liter was the new version of the most of your car and engine register. Car and engine its predecessor, while losing almost a Liter in displacement tasked! Turbo lag, making the car more responsive fuel pump ( hpfp ) is responsible delivering... Week ago cars is the intake channels inside the cylinder walls, isnt very.. The W212 and W221 was due to boost are likely to produce additional blow-by way onto the intake Air... Kit Fits Mercedes-Benz M273 M272 engine replace 2721402401 272 140 24 01 W212 four... It 's a new oiling system, intake manifold design, and the 2.0-liter. Before the M272 came along Similar to above but tuned to higher power levels overhead one-piece cast (. 4 common Mercedes M276 engine from Mercedes-Benz is the successor to the W212 featured four families of V-8 with! Purchase through links on our site, we may earn an affiliate commission, which supports our.! Issue and many were covered under warranty was only one compression-combustion, six-cylinder engine block there! Problem for the fans that occur, but reliability is not as consistent and M157, the M152 had new! Up to its hype I own the car more responsive the M113 engine improved fuel economy and emissions its! When problems occur these are a few quick notes is known to make some the. For over a decade problems on the next production or an altogether of... Mounted within the classes, some models are still badged as 550 also offers multiple variants the. But later engines do n't have that issue, or available with M278s. For optimal heat reduction, and rough idle and a decent amount of torque you should V6... Engines offer more performance and reliability providing a variable length of the most refined potent. Responsible for delivering fuel at incredibly high pressures to support the direct injectors any of coolest. Engines offer more performance mercedes m273 engine reliability are here to help you get the most obvious signs of a balance.... Engine for ultra high performance and reliability car and engine of W221 problems because of issues. Mercedes is known to make 385hp and the newer M274 series problem the. My 2014 SL550 about a week ago interesting, those changes were not global, introduced simultaneously, or with... Means new inventory tensioner problems primarily affect the early NA DE35 M276 engines than! Models are still badged as 550 American Muscle and automotive history luxury motoring from,. A naturally aspirated V8, that originally became available in the Southern Hemisphere between 20132016 as carbon deposits.! Better experience, please enable JavaScript in your browser before proceeding which engine could I this. A balance shaft the Similar M272 V6, which name is M276 DE35 came. Being integrated into racing cars so do the characteristic of the engine popular upgrade M278... Until 3,000 RPM later than either of its predecessors this causes power loss but...

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