morning guys, I have a 2000 ML320 that surges at idle in park (1000-1200 RPM) and when I'm at a stop (600-700RPM). Thought it was bad gas, but it didn't go away on fill up like I was expecting it to. I am not sure what is causing it, it drives and shifts fine. Any help would be greatly appreciated. Thanks in advance.

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1993 300D 2.5 Turbo
Daily Driver.... 238,000 miles and counting (Gone for an '03 Camry)
2000 ML-320
New Daily Driver...139,xxx and still in one piece...

You can buy Maf Cleaner and clean the MAF sensor.Also clean throttle body.Check your vac lines beffore you clean

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1999 w140, quit voting to old, and to old to fight, a god damned veteran

Thanks oldsinner, turned out the throttle body just needed to be cleaned. She idles just fine and I even took her on a 1000 mile round trip home to see the parents for the holidays. Unfortunately this morning, the parking brake got stuck, took it off and the light stayed on, had to pull it forward with my foot to get the warning light to go out. Then the vehicle wouldn't shift from park with the brake covered. This is all new, but it was really cold outside, which doesn't explain much. I'll do some searches on my own, just wanted to get the problem out there and see if anyone a whole lot smarter than me knows whats going on.

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1993 300D 2.5 Turbo
Daily Driver.... 238,000 miles and counting (Gone for an '03 Camry)
2000 ML-320
New Daily Driver...139,xxx and still in one piece...

found it... hopefully this will help others as well...


ML55 problem

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1993 300D 2.5 Turbo
Daily Driver.... 238,000 miles and counting (Gone for an '03 Camry)
2000 ML-320
New Daily Driver...139,xxx and still in one piece...