clean the throttle body and throttle body plate with a rag saturated with carb cleaner....rub, rub , rub....
Carbon buildup forms on the mating area between the plate and the throttle body it'self. Doesn't cost you much to do.. Make sure that you put back the MAS just the way you pulled it out; if you have it on top of your throttle body. My m119 (sl500) engine ran 100% better by just cleaning this part. Hope it works for you as well.

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a2


1978 280 CE silver
1986 560 SL black
1987 300 SDL cream
1994 SL 500 brilliant green
1997 E 300d dessert silver
2005 FORD F250 Superduty Crew cab 4x4

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