Om642 delete problems Your intake is probably nothing but sludge. Although I've already done a Removing or bypassing the EGR valve in your Mercedes OM642 can lead to several performance improvements: Reduced Engine Smoke : Forums often highlight how an EGR delete can reduce the exhaust smoke in Mercedes vehicles, particularly in diesel models like the CDI and Bluetec. I found shop to pipe the scr and dpf but none will touch the front cats. Mine on my 08 ML320 were so bad chemicals wouldn't touch it and had to be taken off and a pressure washer used to clean them out. If ad blue is an issue do that as its not really needed in SA its just an emission thing for Europe. Hello all, so far I have swirl flaps and egr delete. Next stage requires free flow exhaust. Not sure what you mean? Hi guys, so I am new to the Merc platform, more specifically with the OM642 engine. Hope it helps. 2) replaced a small pipe bend within the engine bay that turned out to be a diesel return pipe. 1) EGR Delete with Stage 1 software upgrade. Their tune covers the swirl motor problems too. On the OM642, egr is designed to work together with the rest of the emissions system. I have been reading up on known issues and faults so I can better understand my vehicle and prevent/prepare. Deleting the egr will generate codes in other components. I'd be interested in finding out what DGR delete mod works on the OM642. Why would you delete the egr only and leave all other emissions components active? With all due respect, this is the dumbest thing I've ever seen in my life. . When you drain the auto box drain the Torque converter as well. I've G00gled lots of pages but cannot see a definitive way that the EGR is deleted, and there are no telltale signes like on my CLK. What is the most common way of bypassing the EGR on these engines? Has anyone done it themselves? Best thing to do is change all oils , motor, TC box, auto box and diffs. You'll make your vehicle more reliable as you're getting rid of possible problems from EGR and DPF (that prompted me to do it when mine failed and stayed on limp mode). Like Aussiemercer, I can't find a specific reference to this engine in the famous 100 page thread Try ringing someone like Alex Crow Mercedes who contributed First question - where is the throttle body located for the om642 engine? Next question - there seems to be a load of benefits to deleting the egr, for people whom have done it, what can you tell me from experience? I'm currently running the CB engineering DPF delete pipe and EGR delete kit with a Stage 2 tune from ecuprogram that turns off the EGR and DPF. That alone will make your car feel like a new car. Hello all, so far I have swirl flaps and egr delete. And then reset the Gearbox. nyyoflu ngpr lcmqpk xvyo oqton juf knebw elbkr tgf qrz