Is Mercedes Benz considered a luxury brand? 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. JavaScript is disabled. LifeOnFour.co is a participant in the Amazon Services LLC Associates Program. These engines will easily cover 200,000 miles (ca. 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. Tips for N55 Tuning, Diesel tuning Higher iron is known to be generated by Mobil 1 oils. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). If a car has forced induction tuning parts are going to make more power and you'll see that turbo engines are made with many forged and stronger components. This is a great machine for long distance driving and for cooperating with LPG. If youre lucky, they get stuck in the open position, and you wont even know theres something wrong. Glow plugs need to be unscrewed at least once every 50,000 km, changed and put on thermal paste. Plunger pairs are very tenacious, but wear can be observed on the injection pump shaft, more precisely on the eccentric cam. They are also torn off here in whole or in fragments, but they almost never harm the engine they are plastic. Cars that were pulled out of a field and driven till they stopped without changing the oil or anything like that for 40kmiles, and that was after they sat for yearsdiesels of old are always clean inside, just wipe with a rag and shiny metal is there, no build up of crap as the fuel is a "cleaner" of sorts and does not evaporate and less a messy gum like gasoline. The goal is to achieve stable operation and high torque at low revs, so it should end up with problems with timing drives. The OM612 like its predecessor engine used hydraulically lifting valves, therefore there was no need to open the cylinder head cover to perform valve adjustment. Yes, the Mercedes Benz 2.7 litre diesel is a reliable engine. You must log in or register to reply here. As befits a Mercedes comfortable. Therefore, Mercedes Benz diesel engines are the best engines. Combi with so round that it has a bit bigger 470 l for roller shutter. As far as I can tell, the 2 black hoses can only be replaced by taking off the intake manifold. I've never seen an oil burn up like that (viscosity increase to a 50 wt) in such a short time / distance. The blow by contains unburnt fuel and it mixes with the oil. Now there is the 16-valve aluminum cylinder head with two camshafts, hydraulic lifters/tappets, and electronic fuel injection. 1 Wiring CLK (numbers 67 and 47): MERCEDES OM 612 DE LA [612.967] MOTOR IDENT-NR. Please consider converting them to full citations to ensure the article remains verifiable and maintains a consistent citation style. Light and compact, yet almost completely trouble free with proper servicing. How to put a Mercedes Benz in neutral without a key? "All you need to know about performance tuning the Mercedes OM612 engine!". Mercedes Benz makes the most advanced diesel engines in the luxury car market. How much and is it worth buying a Mercedes C-Class (W203)? Featuring a Bosch Common rail direct injection fuel system, this 20 valve straight 5-cylinder engine is loved by Mercedes diesel fans. Just two things will kill it! The car fails the most with its anti-corrosion protection and faults. What are some common Mercedes OM612 engine problems? If youre buying a car with this engine, make sure that some of the components we listed have already been replaced. They also increase the scavenging effect of the engine. We do this through well-researched buyer guides and common car problems. 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. The only solution is to replace the faulty CKP sensor. Another problem is carbon deposits. If an injector is replaced, its data matrix must be coded into the engine control unit. 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 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. I am having issues with a relatively new OM 642 diesel. 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. I am very concerned with this engine. 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. Manage Settings By the way, the V8 used later was closely related to this design. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Any idea about the engine oil these cars have had? Which helps us keep our guides and tips up to date helping others with their modified car projects. If the engine speed does not rise above 3000 / min, then this indicates an emergency mode. EGR valves can cause several problems on this engine, or better yet, all diesel engine. 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. More power needs more fuel. While the turbocharger used by Mercedes on the 2.1 CDI OM651 engine was extremely durable, on the more powerful model with the Twin Turbo system, the airflow control malfunction occurred. styling and friendly car banter. If the engine speed does not rise above 3000 / min, then this indicates an emergency mode. We and our partners use cookies to Store and/or access information on a device. Also, the engine got new crankshaft, connecting rods, pistons, and other parts. 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. Due to the deterioration of the copper fuel injector washers, the pressurized and un-combusted diesel fuel is able to seep past the copper washers, creating a sticky, black mess around the fuel injectors. A small number of posts on Life On Four include Amazon affiliate links where we suggest products and product categories. 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. Change Oil Filter on 2017 Sprinter OM651 engine, Hot start problems 1988 300TE, M013 Gas engine. Resealing an entire OM612 engine is no joke, and we dont want you to be the next owner who gets hit with numerous leaks and fairly high costs. Compared to its predecessor OM604, it has 30% more power, 50% more torque and 10% less fuel consumption. A very distinguishable aspect of the OM647 from the very similar OM612 predecessor is its intake manifold, and the lack of a diesel fuel feed pump. Sign up now!!! Another problem is carbon and oil deposits. At this stage speculation is all we can do until someone figures the problem out. Altering your OM612 camshaft will make a dramatic difference to the engine power band. Still, that's 1.25 BILLION dollars in repairs. The Ultimate Guide to Mercedes Engine Problems (Diesel & Gas), Fuel injector washer leaks (CDI Black Death). The Mercedes OM612 diesel engine is somewhat controversial, on one hand you have 90% of the owners loving the engine, boasting about its reliability and toughness. The high-pressure fuel pump was also connected to the timing chain via a gear, OM 612 used common rail diesel injector technology. A new EGR valve will cost you upwards of $300 so keeping an eye out on the state of the EGR and resolving any related issues early is a smart move. The OM648 is a 3.2 Litre, straight or inline 6-cylinder engines with 4 valves per cylinder. 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. While they may sound good, theyre almost always perceived as a nuisance. Well tell you all about as we continue. It's not uncommon that intake manifolds are needing motorsport parts, although a few manufacturers provide reasonably good intake manifolds. It was also turbocharged with an air-cooled intercooler, the 2.7-litre displacement effortlessly produced more than 160 horsepower. 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! Mileage (although oil should not behave like that on high mileage cars only)? This black gooey dried up diesel is what Mercedes owners call CDI Black Death. Also for: Om603. As the bushing wears out, the hot oily air starts to seep out of the EGR valve, forming nasty oil deposits around the EGR and on the engine. An oxidation catalyst is used to clean the outlet gases. Then you will pay about $500 for parts alone. He made his debut on the C-class W202 in 1998. 6129XX 5: 54 ENGINE CABLE HARNESSES: 160 ENGINE CABLE HARNESS IL. We shall review and look at OM612 tuning and highlight the greatest modifications for your car. Disconnect the fuel lines from the filter. short commutes experience many more difficulties. However, not many owners realize this, nor do they want to spend money changing all the little rubber seals and gaskets that have deteriorated through the years. Yes, the OM648 inline 6-cylinder engine is amongst the most reliable Mercedes diesel engines ever produces. You should replace your fuel filter every 20,000 to 60,000 miles, moving towards the latter with newer vehicles. 1999 W210 E-Class and 2000 W203 C-Class for Belgium, 1999 W210 E-Class and 2000 W203 C-Class for others than Belgium. Which models used the 2.7 litre Mercedes Benz diesel engine? Things can get a bit confusing if theres a problem with the glow plug controller, which can show up as false glow plug failures. The Mercedes Benz OM612 Diesel Engine is a 5 cylinder motor with a displacements of 2685 cc, 2950 cc, and was produced from 1999-2006. Every engine has Common Rail injection, and Mercedes isnt the best-performing company. These engines have no issues reaching upwards of 300,000 miles (ca. In fact, they differ only in the number of cylinders. Problems with the throttle and pneumothorax are also typical. We won't be swayed by popular OM612 parts, they need to be cost effective. The inline 5 cylinder OM612 was more powerful than the naturally aspirated OM 611. There were two modifications of the crankshaft, because the working volume of some versions is different. Regular oil changes are vital on the OM612, especially when tuned and will help extend the life and reliability of the engine. 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. This model offers some pretty outdated but good basic techniques, namely the drivetrain and suspension. Rules for the operation and maintenance of headlights VW Passat B5 Important in the description, because the capacity of the engine is less important than the type. Weve also seen cases where the rod that holds these flaps gets broken and theres no connection to the actuator, meaning they simply stop moving. Typical stage 1 mods often include: Intake manifolds, Fast road camshaft, drilled & smoothed airbox, Panel air filters, Sports exhaust header/manifold, Remaps/piggy back ECU. The new engine was the first common rail Mercedes diesel engine. Sure they throw rods when run out of oil, but no sludge. Current Merc: 2009 C220cdi sport estate B BigDz Quite often there are error messages that are difficult to verify (especially on diesel engines). Other variants are ok. Following are some of the common problems: The crankshaft position sensor is a hall effect sensor that determines the position of the crankshaft. Damage to the controller does not allow you to comfortably manage equipment, it is often very rich. Which Mercedes Cars Have the OM612 Engine? It is a unit where different opinions can be found or heard. We detect unauthorised copyright material taken from our site using pattern matching tools. However, they can harden, jam, and the holes under their axles are broken, due to which soot and oil from the intake seeps out. the modifed car gallery, project car updates and exclusive member only areas. If theres ever anyone that claims his engine is oil leak free at 100,000+ miles and 10 years of work, hes a straight-up liar. 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. If youre looking for a well-maintained C-Class, its the most expensive, costing around $5000-$6500. This is a better option than ignoring the issue and waiting until a swirl flaps gets broken off and sucked in to your engine. Cars with diesel engines like the OM612 are not the best choice for short-distance driving. Many owners decide to get rid of the EGR completely. We use essential cookies to make this site work, and optional cookies to enhance your experience. Basically, the engine has no typical faults, but the typical consequences of years of use and neglect (leaks, dirt, less frequently stretched timing chains) are encountered. 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. Don't go with the largest exhaust you can source you'll reduce the exhaust flow rate - the best for power gains are usually between 1.5 to 2.5 inches. The modified OM612 was a 3.0-litre engine and produced 230 horsepower and 540 Nm of torque. It was dubbed the C30 CDI AMG, a diesel performance car based on the C203 C-Class. That is it, the majority of these issues are easily resolved or even completely prevented by adhering to the manufacturers maintenance plan and some additional care. Fuel injector washer problems and "Black Death". You should ideally match your bhp range to your preferences so for a car used daily stick with a mild fast road OM612 camshaft. Does Mercedes Benz use a biodegradable electrical wiring harness? I did an oil analysis to check condition and baseline the engine. The main symptom of problems with injectors is an uncertain start of the engine. The Mercedes-Benz OM612 engine is a straight-5 diesel engine produced by Daimler AG ,today Mercedes-Benz. 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