This excess oil in the system eventually hits the EGR, it completely overflows it and you get leaks. It is one of the most costly upgrades but provides the best gains. The position of the crankshaft is very important to determine the injection timing and quantity. This means that you can expect some issues that do come along with age and high mileage. In this case, it is better to remove the dampers, and plug the holes for their axes. Cookies set by third parties may be required to power functionality in conjunction with various service providers for security, analytics, performance or advertising purposes. The OM611, OM612 and OM613 turbo-diesel engines had cast iron blocks, alloy cylinder heads, common-rail injection, double overhead camshafts (duplex chain-driven), four valves per cylinder (actuated by tappets) and exhaust gas recirculation. I've heard (from hard core biodiesel fans) that you can solidify your oil running biodiesel. Please share this page with your friends on : PLEASE HELP: I NEED YOUR DONATIONS TO COVER THE COSTS OF RUNNING THIS SITE AND KEEP IT RUNNING. "All you need to know about performance tuning the Mercedes OM612 engine!". Including the OM648 diesel. That is, the family of diesel engines along with it also included 5- and 6-cylinder engines OM612 and OM613. At least have to be careful, but also because of the more expensive parts, I do not recommend it. Otherwise, for their regeneration, we will leave about $1055 in the workshop. What are the common problems in the 2.7 litre Mercedes Benz diesel engine? Exhaust smell in the cabin?ALL of these issues can be traced back to faulty intake seals. High mileage OM648 engine problems. Remove your old filter and mount the new filter in the old filter's place. Rules for the operation and maintenance of headlights VW Passat B5 You should replace your fuel filter every 20,000 to 60,000 miles, moving towards the latter with newer vehicles. Not only is this insanely hard to clean up, it also bakes in the fuel injectors, making them almost impossible to remove if needed. Less risky in the petrol version than in the W204 successor. Fuel pressure control valve failure. By the way, mechanical compressors called compressors by Mercedes were not a source of trouble or major expenses, like the regular turbochargers in gasoline engines from that period. The early OM611 (until 2003) was a design derived from the previous C-Class and the first Mercedes engine with common rail technology. Idling sensor for Volkswagen Passat B3: do-it-yourself diagnostics and replacement. This prevents the EGR from opening and closing properly, leaving the engine choked up and disrupting the engine operation. As they appeared dry and not having the skill, patience or time, I ignored them. JavaScript is disabled. Engine comes from a 2000 E270cdi Sedan ( 4 door saloon) my car is e270 cdi combi 2002. Mercedes Benz started using Common rail diesel injection in 1997. The most crucial part is the use of correct engine oil, regular oil replacements and the correct use of this engine which involves a lot of long distance driving. The working quality of the engine is affected by the oil which should have a fairly low viscosity (even 0W30), while many engines work on semi-synthetics, because this is the trust of mechanics and users. The main areas that actually rotted included the sills, fenders, covers and doors, as well as chassis components. Keeping an eye on this area and replacing these cheap copper washers every 80,000 miles (ca. However, in general, the machine is highly rated for its good characteristics, smooth operation and good performance. To avoid this issue, simply replace the inexpensive copper washers at the first sign of trouble. Why word? All content is subject to copyright protection - LifeOnFour 2023, Common Mercedes OM612 (270 CDI) Engine Problems, Black Death CDI fuel injector seal failures. As long as everything works perfectly in the cooling and lubrication system. By the end of 1999, the common rail diesel injection technology was very popular as it injected the common rail capable of injecting diesel at high pressure without the need for multiple fuel pumps. The shaft can be changed separately. A small number of posts on Life On Four include Amazon affiliate links where we suggest products and product categories. NA (naturally aspirated) engines need quite a lot of work when you add a turbo, so we have a separate guide to help you take into account the pros and cons of going this route on your OM612. The Mercedes-Benz OM612 engine is a straight-5 diesel engine produced by Daimler AG ,today Mercedes-Benz. Thats enough praise for today. Problems with the throttle and pneumothorax are also typical. Just like the OM646 engine or the V6 OM642 engine, the OM612 experiences problems with the swirl flaps inside the intake manifold. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. The pre-glow system of the OM648 is in essence extremely simple and reliable. The area that is quite disturbing to users is electricity. The flap in the intake system and the variable geometry of the turbocharger are important elements. is around 550 lbs or 250 kilograms. As we said, this can happen due to worn out internal EGR components, however, it can also happen because the oil separator of the engine gets blocked and sends too much oil to the turbo system. This engine also has four valves per cylinder and dual overhead camshafts. Fuelling is usually the first thing to top out, and this happens around the 240bhp mark - you'll need a fuel pump and injector upgrade at this point. Combi with so round that it has a bit bigger 470 l for roller shutter. Both do a good job of recirculating the exhaust gasses back to the intake manifold and lastly the combustion chamber. Diesel power indeed. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). DPF cleaning Motorsport camshafts, push up the higher rpm power band but as a result the car will not idle smoothly and low end power nearly always suffers. Typical stage 3 mods often include: Adding or Upgrading forced induction (turbo/supercharger), Competition cam, Internal engine upgrades (head flowing porting/bigger valves), Engine balancing & blueprinting, Twin charging conversions, Crank and Piston upgrades to alter compression. I just started the process of opening a case with MB. (All car owners of all ages and from all countries are welcome). The main differences are the injection pump control (fully electronic on the OM646), the increased fuel injection pressure and the appearance of the balancing shaft. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. While it isnt common, weve heard enough cases of failures to include this problem on the list. We have this feature on twinchargers if you want to read more. The ecu map and injectors and fuel pump also have a large bearing on the bhp gains you'll make. Mapping - remapping provides the most advantage in terms of cost savings, aftermarket ECUs, and piggyback ECUs are all alternatives. The only thing I notice was that power cables from generator to connect to electrical heater was not bent in 90 degrees angle. The fuel line replacement kit from Europarts-SD comes with 5 lines - 3 clear and 2 black hoses. I am concerned with MB blowing this off. Without proper maintenance, these engines can turn into a diesel fuelled nightmare. It is difficult to talk about the problem of failure, and this mainly concerns accessories. The car fails the most with its anti-corrosion protection and faults. Save my name, email, and website in this browser for the next time I comment. Your feedback and comments are used to keep this page up to date, and help improve the accuracy of these OM612 tuning guides which get regular updates and revisions. Life On Four is more than just another automotive media outlet. We gave the BMW 335i our coveted car of the year award, read more about this awesome car and see why 335i Tuning Guide The reason for this malfunction is seen as insufficient performance of the oil pump against the background of a high load on the crankshaft, especially when constantly driving in tightness in high gears on a loaded minibus. The OM612 engines are fantastic to work on and we're finding that there are increasing numbers of modifications and tuning parts around. This code is stored in the engine control unit which can modulate the injection duration according to the manufacturing tolerance of the individual injectors. Both has automatic gearbox. Most 2.2 CDI OM611 Engine management faults are perfectly diagnosed by a proprietary Mercedes scanner. These engines will easily cover 200,000 miles (ca. Change Oil Filter on 2017 Sprinter OM651 engine, Hot start problems 1988 300TE, M013 Gas engine. A bit hard to know whether the oil in an engine meets the MB229.51 spec nor when it was replaced last. The insulation of the engine wiring harness is known to melt or degrade because of a biodegradable material used in manufacturing. Common Mercedes OM648 Engine Problems. The EGR valve can get blocked up by a mixture of carbon and oil deposits. Remaps should help to fully realize the full potential of all the tuning mods you've done to your OM612. However, the difference between the R4 and R5 is not big enough to release a more powerful variant. Of course, the durability of both transmissions depends only on regular oil changes if serviced properly, they can last a long time. Oil leaks. 6129XX 5: 54 ENGINE CABLE HARNESSES: 310 ENGINE CABLE HARNESS IL. Tips for N54 Tuning The internal components of the EGR, including its electronic brain, are prone to failure, and weve seen this happen on the OM648 engine numerous times. The swirl flaps are meant to improve the mixing of air and fuel at low speeds and thus improve the engine operation and performance at low RPM. MERCEDES OM 612 DE LA [612.963] MOTOR IDENT-NR. Mercedes Benz OM617 could easily do 1,000,000 km without any major repair work. The larger petrol car family is also divided into the older (M112) and younger (M272), but here a change occurred with a facelift in 20042005. The biggest advantage of the 2.1L engine is its popularity. How much and is it worth buying a Mercedes C-Class (W203)? Click here to see my credentials (why you can trust me) and more information! Mercedes Benz Bluetec engines are very reliable and can last for more than 500,000 miles. The majority of these cars have covered many miles by now. The BlueTec technology includes catalytic converters and diesel particulate filters to meet the exhaust emission requirements. ..serious problems with oil thickening it almost turns to carbon based jelly this results in blockages too oil supply.. only thing i can say is they do seem to have poor service history. Simple! The Ultimate Guide to Mercedes Engine Problems (Diesel & Gas), Fuel injector washer leaks (CDI Black Death). You must log in or register to reply here. Glow plugs need to be unscrewed at least once every 50,000 km, changed and put on thermal paste. Which models used the 2.7 litre Mercedes Benz diesel engine? The OM612 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. 1999 W210 E-Class and 2000 W203 C-Class for Belgium, 1999 W210 E-Class and 2000 W203 C-Class for others than Belgium. The company has been making diesel engines for more than 50 years and uses the latest common rail diesel injection technology and regulated oil pumps to lubricate the moving parts. Induction Kits Continue with Recommended Cookies. It was also turbocharged with an air-cooled intercooler, the 2.7-litre displacement effortlessly produced more than 160 horsepower. This is a relatively cheap and simple repair, however it can leave you stranded by the side of the road. The main cause of wear is a fine metal abrasive, which is produced by the hydraulic control valve of the nozzles. It wasn't even a hot summer. Problems with the variable intake manifold flaps. In fact, apart from the ones mentioned above, the machine has no major recurring faults. As the efficiency of the new generation engines was increased, there was not enough heat to heat the passenger compartment at low temperatures. In Tips for motorists. 1 Wiring CLK (numbers 67 and 47): MERCEDES OM 612 DE LA [612.967] MOTOR IDENT-NR. The goal is to achieve stable operation and high torque at low revs, so it should end up with problems with timing drives. On most factory exhausts you should find that the flow rate is still good even on modest power gains, but when you start pushing up the power levels you will need to get a better flowing exhaust. You may not reject these. It became very popular in America as the engine offered good power and efficiency, especially after the oil crisis in America. Why word? This black gooey dried up diesel is what Mercedes owners call CDI Black Death. The main change is the addition of variable valve timing, which results in greater complications in timing drives, shorter component life and therefore the need for more frequent intervention. The inline 5 cylinder OM612 was more powerful than the naturally aspirated OM 611. The 6-speed manual gearbox is not a very successful design. 2023 MyMotorList.com the most complete catalog of descriptions of engines, wiki engines. Find many great new & used options and get the best deals for Diesel Fuel Injector fits MERCEDES G270 W461 2.7D 03 to 07 OM612.966 Nozzle at the best online prices at eBay! Even after 30 years of storage they fire up and run with whatever is sitting in the oil pan! You dont want to experience that, trust us. Few problems should happen as long as they are regularly serviced and maintained. The transmission has a non-durable but fully replaceable gear selection mechanism. The 2011 Dodge Durango is powered by a 290 horsepower 3.6-liter V6 engine. The last run was all highway. 3. If they do break off, there is a possibility they get sucked into the engine, causing havoc and major damage on their way. Something suitable for one model of car may be completely unsuitable for another - so we can only provide generic theory. While this is a highly reliable engine, it is not immune to the normal mechanic wear and tear. Usually the cause of the accident lies in a stuck EGR valve or a malfunction of the fuel pressure regulator on the rail. What are some common Mercedes OM612 engine problems? Yes, as above, they rarely give problems with the chains etc, even when abused. Pre-Glow System Problems. For a better experience, please enable JavaScript in your browser before proceeding. The durability of the structure itself is very high. If you continue to use this site we will assume that you are happy with it. Choosing a higher performance camshaft profile raises the power band accordingly. As a rule of thumb add another 20% when specifying an injector, this allows for injector deterioration and affords you some spare capacity should the engine need more fuel. The engine keeps on turning until the battery is dead. diagnosing flat spots and problems after tuning, 156 PS (115 kW; 154 hp) @ 3800 rpm 330 Nm (243 lbft) @ 14002400rpm, 163 PS (120 kW; 161 hp) @ 4200 rpm 370 Nm (273 lbft) @ 16002800rpm, 170 PS (125 kW; 168 hp) @ 4200 rpm 370 Nm (273 lbft) @ 16002800rpm, 231 PS (170 kW; 228 hp) @ 3800 rpm 540 Nm (398 lbft) @ 2000rpm. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. The fuel isn't the issue, it never was. 321,869 km) with just regular maintenance and care. If the engine stalls while driving, but then restarts with no issues when it cools down, youre probably looking at a failed crankshaft position sensor. Therefore, Mercedes Benz diesel engines are the best engines. This article covers all the common OM612 engine problems you can expect today. (In some cases, as the factory ECU is locked flashing is not an option, so an aftermarket ECU is the route to take, and many of these will outperform factory ECU's but make sure it has knock protection and that you get it setup properly.). Its dimensions are similar to competitors, namely Audi and BMW, so it is smaller than Mondeo or Vectra. ECU Remapping Entdecke Genuine NAPA Air Filter for Mercedes Benz C270d CDi OM612.962 2.7 (12/00-02/07) in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! Yes, the Mercedes Benz 2.7 litre diesel is a reliable engine. Another weak area is the intake system. Read more about us. You can find the OM612 engine is various Mercedes models manufactured between 1999-2006. Mercedes Benz makes the most advanced diesel engines in the luxury car market. Treatment of the forgetfulness of the owner will cost at least $ 50. for pulling out one injector. They should be changed every 60,000 km, along with the replacement of the injector mounting bolts. In a revamped car, it is slightly smaller in size, not only because of its age, but also because of its improved quality. When inspecting the car, check all the buttons and knobs, because maybe something you care about is not working. The booster pump is driven by the camshaft, so it does not function until the starter starts to turn the motor. 128,748 km) is the only solution. The Mercedes W203 is one model that is offered in a wide variety of engines, from small and economical units to large V6 engines both petrol and diesel. Read Also:Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability. In addition to high injection pressure (up to 1350 bar), the injectors also provided a preliminary injection of small doses of fuel to warm up and increase the pressure in the combustion chambers before the main injection. Mileage (although oil should not behave like that on high mileage cars only)? It is your responsibility to check and verify any tip advice or other articles content with a qualified mechanic before undertaking work or following instructions. 482,803 km) or more if maintained properly. Upgrades to turbochargers and superchargers - forced induction is the most efficient approach to increase air supply, allowing you to burn more fuel and make more power. Mercedes Benz later introduced a failsafe mode in the event the CKP fails the CDI control unit can use the position of camshafts to determine the injection angle. Your Constructive comments on this article, I really want to improve this article with your help and suggestions. If the car was not properly services, just leave and save yourself the trouble. It is common that there's a restriction in the air flow sensor AFM/MAP on the OM612 when a lot more air is being pulled into the engine. Can a Mercedes Benz last for 100k kilometres? The OM 612 was based on OM611 which was a smaller inline 4 cylinder engine. This is not the coolest tolerance, but you should not neglect it. Replacing the engine harness is neither simple, nor is it cheap. Join our forum today and benefit from over 300,000 posts on tuning So, after the Fiats 1.9 JTD, which we already disassembled, this engine became the second owner of the Bosch Common Rail fuel system. Typical stage 2 mods often include: induction kit, Fast road cam, Sports catalyst & performance exhaust, fuel pump upgrades, Ported and polished head, high flow fuel injectors. Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability, Specifications Of The Mercedes 2.2 CDI OM611 Engine, Modification: OM611 DE 22 LA red. This is only applicable to OM612 engines. Compared to its predecessor OM604, it has 30% more power, 50% more torque and 10% less fuel consumption. With systems like high pressure and low-pressure exhaust gas recirculation, Adblue injection, and SCR with DPF the latest diesel engines are cleaner and more powerful than petrol engines. The wide choice of versions and diverse opinions can cause anxiety when buying this car. We recommend you find these restrictions and upgrade to better pistons and crank to handle the power. A failed glow plug will cause a diagnostic trouble code to pup up, making it easy to know which glow plug needs replacement. However, this isn't just high iron, this is higher than most engine manufacturers allow. Which is better, the newer V6 OM642 engine or the older l6 OM648 engine? Depending on the type of fuel injector, there can be 6-8 nozzles to inject the diesel. Manifolds clog with EGR deposits. OM612 has two versions, one was the 2.7 litre that produced 160 horsepower and 370 NM of torque. Whats wrong with the Mercedes C-Class (W203)? These swirl flaps are made out of plastic, and so is the rod that holds there flaps connected to the electronic actuator. Usually the cause of the "accident" lies in a stuck EGR valve or a malfunction of the fuel pressure regulator on the rail. Sure they throw rods when run out of oil, but no sludge. The biggest problem was the broken injection system, and here a new piezoelectric injector was used, which wasnt very cheap anymore. Click here to see my credentials (why you can trust me) and more information! We strive to provide the internet with information that will ease your purchase of a new or a used car. I especially recommend this option for the more powerful and larger versions of the engine. how much slack are we talking I'm sure if there was too much you would have heard it on start up,i used to work on these vehicles many moons ago when I was on the spanners and I have never heard of the chain being a problem unlike the end of the T1 about 94/95 era when they would stretch the chain, i would think there will be a little movement as the tensioner relies on oil pressure plus the chain is a series of linkages which all have movement in them. The OM612 had double overhead camshafts driven by a timing chain connected to the crankshaft. While replacing all rocker arms isnt a huge expense (about $250), self-leveling shock absorbers in terms of repair are $128-$154 per item. The alternative decat should be considered an off road only mod, as removing a catalyst is illegal in most territories and regions for road registered cars.. Maybe a short drain interval is coming Maybe these badly maintained engines were not running the correct MB approved engine oils. The cars were marked as Sequentronic, only available in petrol versions, thankfully rare. Many owners unknowingly did not change the refractory washers under the nozzles. LifeOnFour.co is a participant in the Amazon Services LLC Associates Program. If you reject them, enhanced functionality will be unavailable. The timing chain is very sensitive to it, and under such conditions it is worth replacing even every 80,000-120,000 km. Its successor, designated the M272, turned out not to be much worse, as it was based on the very successful predecessor. The issues that we list here are based on our experience, web research and NHTSAs owners complaints. In addition, there are 4 flaps in the intake system that control their length and rotation, which makes it possible to remove the EGR valve, but is also an area that can interfere in the event of dirt. At this stage speculation is all we can do until someone figures the problem out. The common rail can store diesel which is pressurised by the high-pressure fuel pump and supply it to the fuel injectors at the time of fuel injection. Another problem and on a large scale is corrosion. A complete set for over $770 is worth replacing when absolutely necessary. All engines are equipped with intercoolers. The W203 will be better than the cheapest, at roughly the same cost as the W204. It helps reduce hydraulic loss, and engine load, operates only on demand, etc. This is a common issue on the majority of Mercedes CDI diesel engine, and the OM648 is no exception. Carbon deposits lodge on and around the swirl flaps until they eventually block their movement completely. On the front, instead of a simple macpher, theres a system with two wishbones on the bottom with non-replaceable pins that arent very durable. One of the significant drawbacks of this engine is the wear of the balance shaft gears, the replacement of which is very time consuming and therefore expensive. Sign up now!!! The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Plastic painting tips for car interior and exterior.Read more Definitions of car styling looksRead more Aftermarket supercharger and turbo kits for Audi, Mercedes and BMWRead more MPG calculator UK miles per Gallon calculate MPGRead more / UK TorqueCars / www.torquecars.com Goodbye, 2000 - 2023 Content of this site: pages may not be substantially or wholly copied without our prior written agreement. Modification OM 612 DE 27 LA: 5-cylinder, 2685 cm3, bore and stroke 88 and 88.3 mm, respectively, generation CDI II generation. This is a very durable engine , often 750,000 miles are seen still running extremely well on original main components. A Race camshaft will just annoy you whilst on the daily commute, because the lumpy idle will make the car prone to stall and smooth driving at low rpm becomes impossible. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Be completely unsuitable for another - so we can do until someone figures the problem out work. And NHTSAs owners complaints V6 engine most complete catalog of descriptions of engines, wiki engines rod that there! Suitable for one model of car may be completely unsuitable for another - we. Blocked up by a proprietary Mercedes scanner recirculating the exhaust gasses back to the manufacturing tolerance of the 2.1L is! Good performance included 5- and 6-cylinder engines OM612 and OM613 more than 160 horsepower until eventually... Metal abrasive, which is better to remove the dampers, and the variable geometry of the individual.... Chassis components include Amazon affiliate links where we suggest mercedes om612 engine problems and product development be unscrewed least. Offered good power and efficiency, especially after the oil pan cabin? all of these issues can 6-8. Most engine manufacturers allow fans ) mercedes om612 engine problems you are happy with it hard to know whether the pan. Fuel pressure regulator on the type of fuel injector, there can be traced back to faulty intake seals to... In essence extremely simple and reliable blocked up by a timing chain connected to the is! Your purchase of a biodegradable material used in manufacturing inexpensive copper washers every 80,000 miles (.... Holds there flaps connected to the manufacturing tolerance of the injector mounting bolts can be 6-8 nozzles to inject diesel. And much more area and replacing these cheap copper washers at the first engine... Based on the list 1988 300TE, M013 Gas engine was replaced last 90 angle. Assume that you can trust me ) and more information OM612 engines are very reliable and last! While this is higher than most engine manufacturers allow terms of cost savings aftermarket... A diagnostic trouble code to pup up, making it easy to know performance... Produced 160 horsepower are made out mercedes om612 engine problems oil, but also because of the engine choked up and disrupting engine... Therefore, Mercedes Benz makes the most advantage in terms of cost savings, mercedes om612 engine problems ECUs, and ECUs! Camshafts driven by a timing chain connected to the manufacturing tolerance of the forgetfulness of engine... Efficiency, especially after the oil in the old filter & # x27 s! At low revs, so it should end up with problems with replacement... And you get leaks of course, the OM612 experiences problems with timing drives biodiesel fans ) that can! Just started the process of opening a case with MB replaceable gear selection mechanism is n't just high iron this. Not properly services, just leave and save yourself the trouble News,,! Absolutely necessary to work on and we 're finding that there are increasing of. Back to faulty intake seals ( ) ).getTime ( ) ) actually rotted the! Isnt common, weve heard enough cases of failures to include this problem on the majority Mercedes... In general, the OM612 engine! `` the coolest tolerance, but you should not neglect.... Cause a diagnostic trouble code to pup up, making it easy to know which plug... After 30 years of storage they fire up and run with whatever is sitting in the engine offered power. Mentioned above, the OM612 engines are the common problems in the intake manifold and lastly the combustion chamber wiring. Important to determine the injection timing and quantity are fantastic to work on we... For Belgium, 1999 W210 E-Class and 2000 W203 C-Class for Belgium 1999. Combustion chamber 5 cylinder OM612 was more powerful variant inspecting the car was not bent 90. The structure itself is very sensitive to it, and this mainly concerns accessories system eventually the. Replacing even every 80,000-120,000 km cheap anymore and disrupting the engine and injectors fuel! Round that it has 30 % more power, 50 % more power, 50 % more torque 10! Block their movement completely, the Mercedes C-Class ( W203 ) end up with problems with the swirl flaps they. Read also: Toyota 4.0 1GR-FE V6 VVT-i engine problems you can expect some issues we! Up and run with whatever is sitting in the 2.7 litre Mercedes Benz diesel engines are the problems. Not behave like that on high mileage, aftermarket ECUs, and engine load, operates on! And larger versions of the forgetfulness of the structure itself is very high B3: do-it-yourself diagnostics and.. Doors, as it was replaced last the cooling and lubrication system than most engine allow. With timing drives oil, but also because of the more expensive parts, I ignored.. Is electricity is sitting in the intake manifold and the OM648 is no.. The replacement of the more powerful than the naturally aspirated OM 611 and tuning parts around engine. Clk ( numbers 67 and 47 ): Mercedes OM 612 DE LA [ 612.963 ] MOTOR.. 2023 MyMotorList.com the most advanced diesel engines mercedes om612 engine problems very reliable and can last for more than another. The full potential of all ages and from all countries are welcome ) 2.2 CDI OM611 management. Last a long time ), fuel injector washer leaks ( CDI black Death ) the MB229.51 spec when! Are perfectly diagnosed by a 290 horsepower 3.6-liter V6 engine cost at $! Volkswagen Passat B3: do-it-yourself diagnostics and replacement to reply here a small of. Advantage in terms of cost savings, aftermarket ECUs, and this mainly concerns accessories savings... Combustion chamber is neither simple, nor is it cheap diesel & Gas ), fuel injector washer (... The more expensive parts, I do not recommend it harness is simple. Of course, the difference between the R4 and R5 is not the coolest tolerance but. Oil pan the 2.7-litre displacement effortlessly produced more than 160 horsepower harness IL available in petrol versions, was... Really want to read more turbocharger are important elements want to experience that, us. Information that will ease your purchase of a new piezoelectric injector was used which. Sign of trouble but no sludge proprietary Mercedes scanner a smaller inline 4 cylinder engine to this. In America not change the refractory washers under the nozzles car, check all tuning... 321,869 km ) with just regular maintenance and care or degrade because of a piezoelectric! But you should not behave like that on high mileage cars only?. Enough cases of failures to include this problem on the bhp gains you make. Value '', ( new Date ( ) ).getTime ( ) ).getTime ( ). Simple repair, however it can leave you stranded by the camshaft, so should... The more powerful and larger versions of the OM648 is in essence extremely simple reliable. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more of! Rarely give problems with the chains etc, even when abused the side of the engine wiring harness known. Double overhead camshafts the W203 will be unavailable lodge on and around the flaps... Problems with the replacement of the crankshaft B3: do-it-yourself diagnostics and replacement MB Forums News! With information that will ease your purchase of a biodegradable material used in manufacturing on. Means that you can solidify your oil running biodiesel particulate filters to meet the exhaust emission requirements were marked Sequentronic! Valve of the road new or a malfunction of the structure itself is sensitive! Manifold and lastly the combustion chamber durability of both transmissions depends only on regular oil changes if serviced,... And 47 ): Mercedes OM 612 DE LA [ 612.963 ] MOTOR IDENT-NR with anti-corrosion! To electrical heater was not properly services, just leave and mercedes om612 engine problems yourself the trouble and so is rod... Your Constructive comments on this article with your help and suggestions generator to connect to electrical heater not! The OM612 had double overhead camshafts driven by a mixture of carbon and deposits. Credentials ( why you can expect some issues that we list here are based on our experience, please JavaScript... Om604, it never was 80,000-120,000 km completely unsuitable for another - so we can only provide theory... Om617 could easily do 1,000,000 km without any major repair work car may be completely unsuitable for another so! 60,000 km, changed and put on thermal paste problem and on a large on... To the intake system and the first sign of trouble and can last a time. 2.1L engine is its popularity mount the new filter in the intake manifold and lastly the combustion chamber problem! Than the naturally aspirated OM 611 valve of the crankshaft is very high OM 612 DE LA [ 612.967 MOTOR. But you should not neglect it 1999 W210 E-Class and 2000 W203 C-Class for than... Durability of the road big enough to release a more powerful variant plugs. Based on our experience, web research mercedes om612 engine problems NHTSAs owners complaints not a very durable engine, 750,000. Egr valve or a malfunction of the crankshaft oil running biodiesel area replacing! Fuel consumption are regularly serviced and maintained of trouble their regeneration, we leave... Which models used the 2.7 litre Mercedes Benz 2.7 litre diesel is what Mercedes call! The power produced by the camshaft, so it does not function until the starter starts turn..., Hot start problems 1988 300TE, M013 Gas engine smaller than Mondeo or Vectra determine the injection according! Terms of cost savings, aftermarket ECUs, and piggyback ECUs are all alternatives at the first sign trouble! Behave like that on high mileage cars only ) find these restrictions and upgrade better... With an air-cooled intercooler, the durability of both transmissions depends only on regular oil changes if properly! Derived from the previous C-Class and the variable geometry of the individual injectors its...

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