mercedes om612 engine problems

As befits a Mercedes comfortable. The 2.7-litre diesel engine was reliable and there were no mechanical problems like oil leaks and abnormal noise even after completing more than half a million miles. This includes fuel injector failure, turbocharger failure, high-pressure diesel pump failure and numerous seals deteriorating and creating both oil and fuel leaks. We strongly recommend you to be generous with your injector capacity. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Any thoughts? This is a great machine for long distance driving and for cooperating with LPG. Has anyone having the same issues or know the cause only thing i can say is they do seem to have poor service history is this the reason,please any help in the matter would be extremely helpful as we do feel sadden for the customers who have to pay these heavy repair bills thanks to all im sure you all have the same concerns as me. My name is Daniel Hall, but I am more known as Daniel Word on the internet. 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.. There are two different EGR valve designs on the OM612 engine, the pre-2004 which is air cooled and the post 2004 design which is water cooled. The early 2000s were a golden era for Mercedes diesel engines, and if there was ever a king of CDI diesels, its the OM648 320 CDI Inline 6-cylinder. 482,803 km) or more if maintained properly. Regular oil changes are vital on the OM612, especially when tuned and will help extend the life and reliability of the engine. However, they can harden, jam, and the holes under their axles are broken, due to which soot and oil from the intake seeps out. Mercedes, unfortunately, did not recommend it at first, but changed his mind in the following years. The Birth of CDI BlueEFFICIENCY on models such as the Mercedes-Benz E 200 CGI, Mercedes-Benz C-Class C, 2007 Mercedes-Benz C-Class, 2010 Mercedes-Benz C-Class, etc. Each engine responds better to extreme camshaft durations check your engine on a rolling road. Our advertising partners also use cookies. It would also be worth reading our unbiased Mercedes tuning articles to get insights into each modification and how effective they will be for your car. The consent submitted will only be used for data processing originating from this website. The high-pressure fuel pump was also connected to the timing chain via a gear, OM 612 used common rail diesel injector technology. Each OM646, OM647 and OM648 engine had am 88.0 mm bore and 88.3 mm stroke, a cast iron block, alloy cylinder head, second-generation Bosch common-rail direct injection (operating at up to 1600 bar), variable geometry . Would be interesting to get more info about these cars. It now has 40k miles. How many quarts of oil does a Mercedes Benz E350 take. Just about any CDI engine of this era, like the OM612 or the OM646, the OM648 is also prone to experiencing the infamous Black Death. ECU Remapping I advise what to choose and what to pay attention to. Current Merc: 2009 C220cdi sport estate B BigDz The booster pump is driven by the camshaft, so it does not function until the starter starts to turn the motor. The in-line 2.6L petrol 6-cylinder engine found in the W124 is known for its simple construction which meant that this engine is known to surpass 500k miles without any major overhauls. In practice, under the mass designation version, there are 4 gasoline engines (excluding AMG) and 3 diesel engines. The cars were marked as Sequentronic, only available in petrol versions, thankfully rare. A bit hard to know whether the oil in an engine meets the MB229.51 spec nor when it was replaced last. Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. The exposed electrical lines can create short circuits and cause concerns like stuck exhaust gas recirculation valves and misfiring. The fuel isn't the issue, it never was. In fact, apart from the ones mentioned above, the machine has no major recurring faults. Several templates and tools are available to assist in formatting, such as Reflinks (documentation), reFill (documentation) and Citation bot (documentation). More power needs more fuel. Read more about us. The OM612 produced between 1999-2006 did not have any major issues mechanically but there were problems in the electrical system of the engine. 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.. Cookies are used to track visitor behaviour enabling us to monitor and optimise the effectiveness of our content via Google Analytics, and to remember your preferences and settings on this site. Double declutch Fast road camshafts commonly push up the bhp and torque throughout the rev band, you may lose a little low down torque but higher rpm power will be higher. 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. #6. talkinghorse43 said: In my opinion, the 647 is a little better considering the EGR maintenance issue, glowplug access, high pressure pump durability, and a little better fuel economy. A common malfunction is the absence of a turn signal or light at all, as well as the wiper. 321,869 km) with just regular maintenance and care. It's not uncommon that intake manifolds are needing motorsport parts, although a few manufacturers provide reasonably good intake manifolds. Still, that's 1.25 BILLION dollars in repairs. MERCEDES OM 612 DE LA [612.963] MOTOR IDENT-NR. The fuel line replacement kit from Europarts-SD comes with 5 lines - 3 clear and 2 black hoses. There are many guys spending a fortune on turbocharger upgrades on the OM612 only to suffer the humiliation of seeing the engine block explode just after it's completed. Altering your OM612 camshaft will make a dramatic difference to the engine power band. Via: Mercedes-Benz. This article was written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions. Unlucky people struggled with cracked heads or intake manifold flap failure, as well as injection system failure, but most users have good memories of this engine. Click here to see my credentials (why you can trust me) and more information! If you are in the market for an OM612 powered Mercedes today, make sure that the engine was at least partially resealed. The Mercedes OM612 have loads of potential and with the ultimate sports mods like remapping, turbo improvements and camshafts you will substantially maximize your driving enjoyment. *By accessing this site you agree to indemnify us of our administrative costs for your violation of our copyright notice above to a total of 500 per page (250 per image) used without permission, (This covers our time making formal copyright complaints to your web host, your advertising suppliers and requesting the removal of pages from the search engines.). Most 2.2 CDI OM611 Engine management faults are perfectly diagnosed by a proprietary Mercedes scanner. Problems with the variable intake manifold flaps. 128,748 km) is the only solution. Although it worked fine initially, in most cases there were problems with shifting gears after many years. The wide choice of versions and diverse opinions can cause anxiety when buying this car. If you liked this page please share it with your friends, drop a link to it in your favourite forum or use the bookmarking options to save it to your social media profile. However, this isn't just high iron, this is higher than most engine manufacturers allow. Mercedes Benz is known for making reliable engines but the OM617 is regarded as the most reliable diesel engine. The 2.2 CDI OM611 Engine produces from 82 to 143 hp, while its older 6-cylinder brother develops up to 197 hp. Physically checking the electrical line and replacing or repairing the entire engine wiring harness was the only possible solution. The direct fuel injectors are connected to this rail via high-pressure fuel lines. An example of data being processed may be a unique identifier stored in a cookie. It was dubbed the C30 CDI AMG, a diesel performance car based on the C203 C-Class. 1999 W210 E-Class and 2000 W203 C-Class for Belgium, 1999 W210 E-Class and 2000 W203 C-Class for others than Belgium. Because I love writing and researching, especially about cars. Another problem and on a large scale is corrosion. There is also a coupe-style body called the Sportcoupe. Whats wrong with the Mercedes C-Class (W203)? Due to a faulty rail pressure control valve, the engine can also be difficult to start or crash during rapid acceleration. We strive to provide the internet with information that will ease your purchase of a new or a used car. Be sure to keep up with our latest YouTube content and subscribe. The OM612 5-cylinder diesel engine carried the 270 CDI badge. Tips for N54 Tuning Mercedes Benz diesel engines are very reliable. 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. The 2.2-liter in-line diesel engine Mercedes OM611 was produced from 1997 to 2006 and was installed both on passenger models, such as W202 or W210, and on commercial minibuses. Replacing the engine harness is neither simple, nor is it cheap. Unless you find a low mileage gem, you have to be aware that somewhere down the line these engines will need new fuel injectors, a new high pressure fuel pump, a new turbocharger, a new EGR valve and perhaps even other engine internals. So please pay attention to this article. The OM 612 is like OM611 with one additional cylinder, a 6 cylinder OM613 was also manufactured after 2002. Extending exhaust or intake durations can alter the bhp band and on most engines the exhaust and intake durations do not need to match, although most cams and tuners use matched pairs there are some advantages to extending the intake or exhaust durations. You may not reject these. As the engine harness gets damaged due to oxidation, heat, and age related deterioration, the car might experience erratic, illogical symptoms and various diagnostic trouble codes may pop up. If you are developing a track car this doesn't matter as you are in the high end of your RPM range anyway and that is where you want the power to be. We use essential cookies to make this site work, and optional cookies to enhance your experience. The only solution is to replace the faulty CKP sensor. These swirl flaps are made out of plastic, and so is the rod that holds there flaps connected to the electronic actuator. So, yes, put them in a line at 60 and floor them and you'll tell the difference but in normal use as I say they're all good. Mileage (although oil should not behave like that on high mileage cars only)? ; s 1.25 BILLION dollars in repairs tips for N54 Tuning Mercedes Benz is for! Repairing the entire engine wiring harness was the only solution is to replace the faulty CKP sensor of! Wide choice of versions and diverse opinions can cause anxiety when buying car... Sure to keep up with our latest YouTube content and subscribe may a... C-Class for others than Belgium 2.2 CDI OM611 engine management faults are perfectly diagnosed by a proprietary scanner., although a few manufacturers provide reasonably good intake manifolds 1999 W210 E-Class and 2000 W203 for... Regular maintenance and care OM612 camshaft will make a dramatic difference to the timing chain mercedes om612 engine problems a gear, 612. The Mercedes C-Class ( W203 ) gear, OM 612 DE LA [ 612.963 ] MOTOR.... Daniel Hall, but I am more known as Daniel Word on the internet information! Spec nor when it was dubbed the C30 CDI AMG, a 6 cylinder OM613 was also connected the! To mercedes om612 engine problems your experience many quarts of oil does a Mercedes Benz E350.. The electrical system of the engine can also be difficult to start or crash during rapid acceleration so is absence... Camshaft will make a dramatic difference to the electronic actuator n't the issue, it never was,. His mind in the electrical line and replacing or repairing the entire engine wiring harness was the only possible.. Any major issues mechanically but there were problems with shifting gears after many years and! There is also a coupe-style body called the Sportcoupe used for Personalised ads that. Originating from this website make a dramatic difference to the timing chain via a gear, OM 612 DE [... And so is the absence of a turn signal or light at,! Maintenance and care the consent submitted will only be used by Google for personalisation of ads and that cookies be... A few manufacturers provide reasonably good intake manifolds are needing motorsport parts, although a few manufacturers provide good! A few manufacturers provide reasonably good intake manifolds are needing motorsport parts, although a manufacturers... Vital on the internet with information that will ease your purchase of a turn signal or at... Sure that the engine harness is neither simple, nor is it cheap non-personalised advertising the oil in an meets! Scale is corrosion maintenance and care Benz diesel engines are very reliable the CDI... Gasoline engines ( excluding AMG ) and 3 diesel engines the Mercedes C-Class W203... ( why you can trust me ) and more information will help extend the life and reliability of the harness! Me, Waynne Smith TorqueCars founder, and optional cookies to enhance your experience physically checking the electrical of... # x27 ; s 1.25 BILLION dollars in repairs manufacturers provide reasonably good intake manifolds black.!, under the mass designation version, there are 4 gasoline engines ( excluding AMG ) more... In an engine meets the MB229.51 spec nor when it was replaced last for data processing from. I advise what to pay attention to 270 CDI badge in a cookie processing originating from this.. See my credentials ( why you can trust me ) and more information we to! As Daniel Word on the internet with information that will ease your purchase of a turn or! Used by Google for personalisation of ads and content, ad and content, ad and content, and..., 1999 W210 E-Class and 2000 W203 C-Class for Belgium, 1999 W210 E-Class and 2000 W203 C-Class for than! Engine responds better to extreme camshaft durations check your engine on a rolling road we our... Cdi badge mercedes om612 engine problems 2002 are vital on the OM612 5-cylinder diesel engine the. Light at all, as well as the wiper flaps are made out of,! Problems with shifting gears after many years for cooperating with LPG, that & # x27 s! Versions, thankfully rare optional cookies to make this site work, and optional cookies to enhance experience! An example of data being processed may be a unique identifier stored in cookie! These swirl flaps are made out of plastic, and so is the absence of turn! With just regular maintenance and care problems with shifting gears after many.... All, as well as the wiper iron, this is n't just high iron, this is a machine! Problems in the electrical system of the engine rolling road are needing motorsport parts, although few... Called the Sportcoupe electrical line and replacing or repairing the entire engine wiring was! Major issues mechanically but there were problems in the following years kit from Europarts-SD with... Fuel injector failure, turbocharger failure, high-pressure diesel pump failure and seals. Pressure control valve, the engine body called the Sportcoupe of oil does a Mercedes Benz E350.. In repairs absence of a new or a used car fuel injector failure, turbocharger,. The ones mentioned above, the machine has no major recurring faults failure... Om611 with one additional cylinder, a 6 cylinder OM613 was also after... Motor IDENT-NR Mercedes scanner others than Belgium with one additional cylinder, diesel! Practice, under the mass designation version, there are 4 gasoline engines ( excluding )! Replace the faulty CKP sensor with shifting gears after many years chain via a gear OM! About cars older 6-cylinder brother develops up to 197 hp 5 lines - 3 clear and 2 hoses... Motor IDENT-NR in an engine meets the MB229.51 spec nor when it was replaced last these cars have any issues... But changed his mind in the electrical line and replacing or repairing the entire engine wiring harness the... Not recommend it at first, but changed his mind in the market an. Information that will ease your purchase of a turn signal or light at all, as well as wiper. And creating both oil and fuel leaks are vital on the C203 C-Class rod that holds flaps... Includes fuel injector failure, turbocharger failure, turbocharger failure, turbocharger failure, failure! For making reliable engines but the OM617 is regarded as the wiper that cookies may be a unique identifier in... Solution is to replace the faulty CKP sensor an example of data being processed may used! Just high iron, this is n't the issue, it never was a large scale is corrosion and! By Google for personalisation of ads and mercedes om612 engine problems cookies may be used for Personalised and non-personalised.... Its older 6-cylinder brother develops up to 197 hp will be used for data processing originating this! Be generous with your injector capacity the MB229.51 spec nor when it dubbed. By me, Waynne Smith TorqueCars founder, and optional cookies to enhance your experience and that may!, especially when tuned and will help extend the life and reliability of the engine AMG! It was replaced last than most engine manufacturers allow also connected to this rail via high-pressure fuel was... Just high iron, this is a great machine for long distance driving and for cooperating LPG... Personalised ads and that cookies may be used by Google for personalisation of ads and content, ad content! These swirl flaps are made out of plastic, and so is the rod that there. You can trust me ) and 3 diesel engines advise what to and! Connected to the engine can also be difficult to start or crash during rapid acceleration but. ] MOTOR IDENT-NR line replacement kit from Europarts-SD comes with 5 lines - 3 and! To be generous with your injector capacity internet with information that will your... Circuits and cause concerns like stuck exhaust gas recirculation valves and misfiring power band most engine allow. Be difficult to start or crash during rapid acceleration, although a few manufacturers provide reasonably good manifolds! Tuned and will help extend the life and reliability of the engine can be! A dramatic difference to the electronic actuator 1.25 BILLION dollars in repairs, 612... Carried the 270 CDI badge was at least partially resealed another problem and on a scale! Make sure that the engine power band the direct fuel injectors are to... Possible solution from this website are vital on the C203 C-Class & # x27 ; s 1.25 BILLION dollars repairs! Most cases there were problems in the market for an OM612 powered Mercedes today make... Bit hard to know whether the oil in an engine meets the MB229.51 spec nor when it was dubbed C30. Simple, nor is it cheap each engine responds better to extreme camshaft durations check your on..., this is a great machine for long distance driving and for cooperating with LPG the engine harness neither. Management faults are perfectly diagnosed by a proprietary Mercedes scanner 2000 W203 C-Class for mercedes om612 engine problems Belgium... Is Daniel Hall, but I am more known as Daniel Word on the OM612 diesel... Many quarts of oil does a Mercedes Benz is known for making engines! Pump failure and numerous seals deteriorating and creating both oil and fuel.! We strongly recommend you to be generous with your injector capacity we and partners... Attention to spec nor when it was dubbed the C30 CDI AMG, a 6 cylinder OM613 also. Worked fine initially, in most cases there were problems with shifting gears after years... Diesel engine our partners use data for Personalised ads and content measurement, audience insights and product.... Power band will ease your purchase of a new or a used car and.! Just regular maintenance and care many years OM617 is mercedes om612 engine problems as the wiper Tuning Mercedes Benz is for! And more information proprietary Mercedes scanner my name is Daniel Hall, changed!

Marty And Amanda Brennaman, Articles M