This issue is first identified by feeling small vibration on the clutch pedal, and if ignored it soon develops into knocking of the engine. Regular oil + filter changes and frequent motorway runs will help to . Download: 36.7 mb, 168 pages . More ratios are used in the transmission paired with the new car with the M272 engine. All engines are equipped with intercoolers. #10. One of the most notable features of the Mercedes C200 is its engine. The Mercedes-Benz GenuinePart short block is available for selected variants of the OM646 and OM651 engine model series. A complete set for over $770 is worth replacing when absolutely necessary. If you would like to know more, or just get some friendly advice on Tuning your OM646 engine please join us in our car forums where you can discuss OM646 tuning options in more detail with our OM646 owners. The four-cylinder in-line engine is the successor to the OM-646 four-cylinder series and is also intended to replace the weaker versions of the V6 OM 642 engine . Solving the problem is not complicated and not too expensive. Good oil service and replacement of the standard oil pump with a more efficient one, with two gears, helps to extend the life of the crankshaft of the OM611 engine. Read more here! The common rail injection system ensures smooth engine operation and low fuel consumption. Therefore, if the diesel engine began to eat oil, its time to take it to a service center for a check. Well, the drive is located on the side of the gearbox. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). The compression ratio is reduced to 16.2: 1. 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. But, of course, the most terrible enemy of the fuel system is diesel fuel of unknown origin with incomprehensible impurities. Unfortunately, suffers from oil spills and leaks. Induction Kits The Mercedes 2.2 CDI OM646 Engine was equipped with a second-generation Common-Rail fuel system with a maximum injection pressure of 1600 bar, with new injectors with 7 holes. The concern here is if they come out without snapping. Best Mercedes AMG Engine: 6.2-Liter V8. The biggest advantage of the 2.1L engine is its popularity. The single-row control chain is located behind the engine - on the transmission side. In 2006, Mercedes-Benz upgraded the OM646 diesel. For example, 180 CDI, 200 CDI, 220 and 250 CDI CDI. It most often crashes in the vehicle. The smaller diameter of the nozzles allowed for better atomization of the fuel. It seems to me that bolting the turbo and cat to the engine unit is more for economy of manufacture, and in fact has been done at the expense of both longtivity and maintainability. Hi there, I'm Mladen and I'm an auto enthusiast. Solved by replacing the chain with a new one. Read Also:Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability. Were heading towards problems that only occur on exceptionally high mileage vehicles or on vehicles that were not maintained properly. Till this day, there are many of these engines running smoothly and defending its reputation for being one of the most reliable and durable diesel engines in the past 20 years. If it needs to be replaced, you should be aware that the engine mileage may already exceed 500,000 kilometers. The summary of the corrective action is terrifying. Free shipping on many items! Were hoping this article did not scare you, the truth is, the OM646 diesel engine is one of the greatest Mercedes diesel engines. The elements installed on the block were very emergency. In comparison, the new Delphi injector costs $ 450. Get the best deal for Engine Rocker & Valve Covers for Edsel Citation from the largest online selection at eBay.com.my. However, I dont think its worth buying this model for as low as $1500-$2500. Mercedes engineers worked quite a bit on engine accessories and launched a generation with the designation OM646. Solenoid valves are used to control the turbocharger and EGR valve (old engine 2.1). or 200 CDI . Replacing the timing chain is no more expensive than the belt on a typical car of this class. Due to the lack of special elements, the whole branch must be changed. Due to a faulty rail pressure control valve, the engine can also be difficult to start or crash during rapid acceleration. Save my name, email, and website in this browser for the next time I comment. It is difficult to talk about the problem of failure, and this mainly concerns accessories. The pulley alternator in + can often fail. T. he base models have a herd of 120hp, 136hp or 143hp. Thus, the indicator of environmental standards improves and the output of the engine increases. If you continue to use this site we will assume that you are happy with it. The successor as the M272 always has a capacity of 1.8 l and turbo boost, and in one variant it is also direct injection. Frequent problems of the Mercedes 2.2 CDI OM646 Engine are badass. Every engine has Common Rail injection, and Mercedes isnt the best-performing company. Although it had some problems in its early stage, the engine was later perfected. Remapping Diesels This applies to units offered in 20052006 (production, not sales), so its best to avoid those machines or check to see if they are mentioned. Contrary to appearances, it is already a modern unit, it should not be treated as a Mercedes barrel. ECU Remapping feature on twinchargers if you want to read more. We use cookies to ensure that we give you the best experience on our website. The new engine was the first common rail Mercedes diesel engine. Engine Code Volume Power Twisting Installed Years of issue; OM611 FROM 22 LA: 611.960: 2148 . The ecu map and fuel pump and injectors also will say much on the torque gains you'll achieve. 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. Intake carry the air from the filter and allow it to be pulled into the engine cylinders with fuel for the squish phase. . So, for the replacement, the whole machine had to be removed! Soon it turned out that another defect involved the time chain seal. The inline 4-cylinder turbodiesel 2.2 CDI OM611 Engine replaced the naturally aspirated prechamber OM604 in 1997. Detail: Drainage valve seal - keeper with sealing ring Fig. 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. When inspecting the car, check all the buttons and knobs, because maybe something you care about is not working. When the throttle is operated, the oil pressure must rise without any delay and be at least 3 bar at an engine speed of 3000 rpm." So at 3000rpm the oil pressure should be at least 3 bar. Mercedes E-Class W211 - OM646.951 OM646.961 . "When engine oil is at operating temperature, the oil pressure in the idle speed range must not drop below 0.3 bar. The OM611, OM612 and OM613 engines have been replaced by OM646, OM647 and OM648. . I started this blog years ago to help like minded people share information about the latest cars, car servicing ideas, used car info, exotic cars, and auto technology. If youre looking for something more powerful, its better to go for the M112 variant, say 170 HP, rather than the comparable 4 cylinder compressor. Chassis Cab 4. Double Clutch If you continue to use this site we will assume that you are happy with it. Although it worked fine initially, in most cases there were problems with shifting gears after many years. They also improve the scavenging effect of the engine. Where is the number. It is practically another engine in which the diameter of the cylinder changes (reduced to 83 mm) and the stroke of the piston (increased to 99 mm). The plastic tends to break down with time, leading to breakage and potential serious engine problems if any plastic parts get sucked into the engine. As long as there was regular maintenance done on the engine, there should not be any problems. Damage to the controller does not allow you to comfortably manage equipment, it is often very rich. W639 Vito 111 CDI, 2.0 CDI, 111 CDI (2003 2010), Plastic swirl flaps in the intake manifold tend to break down with age, Blocked or damaged crankcase ventilation system, Oil leaks around the crankcase ventilation module, Leaky injector seals lead to CDI Black Death. This engine continued the modular tradition. The engine OM 651 is a diesel engine of Daimler AG , which was presented in October 2008 in the model Mercedes-Benz C 250 CDI BlueEFFICIENCY . The Mercedes-Benz OM 646 is a four-cylinder diesel engine with two overhead camshafts that actuate the 16 valves via hydraulic tappets . Definition. It debuted shortly before the advent of this generation of C-Class. The The W203 will be better than the cheapest, at roughly the same cost as the W204. The system is capricious. Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability, Honda 3.5 V6 J35 Engine Specs, Problems, Reliability. We do this through well-researched buyer guides and common car problems. 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. And as a tip, when buying a used car, look at the date of the technical inspection. To resolve or even prevent the problems with the plastic swirl flaps, many people decide to get rid of them all together. Tuning the Mercedes OM646 and best OM646 performance parts. I especially recommend this option for the more powerful and larger versions of the engine. Jump To Article. Entdecke 2x Luftfilter passend fr Mercedes C220 S204 W204 2.1D 07 bis 08 OM646.811 Mann Neu in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! It has a smaller cylinder diameter, the time chain goes to the side of the gearbox, and in more powerful variants (over 143 horses) it has, including a Delphi piezoelectric injector and two turbochargers. There were two modifications of the crankshaft, because the working volume of some versions is different. Another problem and on a large scale is corrosion. Chevrolet Cruze - prescribed quantities of engine oil and service, Opel 2.8 V6 Z28 NEL / NET engine - Opel training video, Volvo XC60 - prescribed engine oil quantities and service, Opel Tigra I 1994 - 2000 - Used car, advantages, disadvantages, Bentley Continental GT 2010-2018 Used, Experiences and Common Issues Found, The most frequently and rarely damaged cars in Europe, Bmw X5 F15 2013 -2018 - used, experience, problems, 1.0 TSI engine - history, problems, experiences. Features of the most notable features of the nozzles allowed for better atomization of the fuel because the Volume! 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