2019年1月20日 · I figured this might be the best place to post my experience with replacing an injector on the OM642. I know official guidelines call for coding the new injector with DAS/Xentry into the ECM, however I took the gamble of replacing a bad injector with a rebuilt unit and not coding it in. Car has...

2023年11月4日 · There's a reason why 648 equipped cars cost more than later 642 cars. --98 E300TD--01 E55 wagon--02 C32

2021年12月9日 · Hello, I would like to hear your opinion, dear forum members, on the reliability and service life of the OM642 engine, some say that 300,000 km and replacement of the chain, heat exchanger, etc., the rest is very reliable, thank you very much.

2012年7月19日 · I am having issues with a relatively new OM 642 diesel. I bought it used one year ago with 16k miles. It now has 40k miles. I did an oil analysis to check condition and baseline the engine. I saw high iron, but attributed it to wear in on a new engine. I do mostly highway, but around town trips are short.

2023年9月19日 · I'd try unplugging the wiring to the fuel quantity control valve (it's in the high pressure fuel pump) as a quick shot: don't run the engine long with this unplugged): this would, on a properly working valve, allow full fuel flow to the …

2023年10月14日 · Before posting this, I did do several searches on oil recommendations, and most were 7+ year old posts, and others were arguments about the different MB specifications that have changed over the years; but what I'd like to focus on and get people's opinions about is fairly specific: I'm looking...

2023年12月4日 · Lastly, I turned the engine two revolutions by hand to make sure the glow plug didn't break apart and jam up the cylinder; and after being satisfied it was worth the risk, I started the engine and idled it for 15 minutes to get it hot.

2015年9月12日 · Wondering what the diesel experts here think about using Mobil 1 0w30 in a 07 OM642. This will only be my second time changing the oil since buying it in Jul 14. Its low mileage and hardly used, mostly only for out of state trips. I changed the oil in it last November and used MB 5w40. Napa has...

2020年2月17日 · The OM 642/722.9 powered family Still going strong 2014 ML350 Bluetec (wife's DD) 2013 E350 Bluetec (my DD) both my kids cars went to junkyard in 2023 2008 ML320 CDI (Older son’s DD) fatal transmission failure, water soaked/fried rear SAM, numerous other issues, just too far gone to save (165k miles)

The OM 642/722.9 powered family Still going strong 2014 ML350 Bluetec (wife's DD) 2013 E350 Bluetec (my DD) both my kids cars went to junkyard in 2023 2008 ML320 CDI (Older son’s DD) fatal transmission failure, water soaked/fried rear SAM, numerous other issues, just too far gone to save (165k miles)