Mercedes Ml 320 cdi om642 white/blue smoke

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gokdag

New Member
Joined
Jun 1, 2015
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16
Car
Mercedes ML320
Hello i have one problem with my mercedes.

When the car is left to idle for 10-15 mins it starts to emit large amounts of white/blue smoke, this clears once the car has been driven for a while."
 
I have the exact same issue with a OM642 Viano I've recently bought. I'm thinking it's DPF related maybe stuck in a re-gen cycle but as I don't have Star it's difficult to fault find.

The only similar issue I've read is on a Jeep forum were it turned out to be the control unit on the turbo, but I just can't see how it can be that.
 
Have a read of this thread (same engine)
CRD heavy engine smoke - JeepForum.com

"Smoke is all gone and she purrs like a kitten. Looks like the culprit was a burned out Turbo Boost Actuator Servo(hard to find and had to replace whole turbo) Not sure why it burned out."
 
Anyone have any idea's? Seems to be common on these engines.....
 

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