CLK-Class (W208) 1998-2002: CLK 200, CLK 230K, CLK 320, CLK 430 [Coupes & Cabriolets]

Rough Idle CLK55

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Old 01-20-2005, 05:22 PM
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Ferrrari 458 Lamborghini SL 570-4 Mercedes CLS63
Rough Idle CLK55

Rought idle came out of the blue....How long ya figure till the MAF goes out? Under warranty so no big deal I guess.
Old 01-20-2005, 05:45 PM
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Let us know what the trouble is.

I forgot....are you running stock air filters? At first when I read the title of the thread, I was wondering if your problem might be motor mounts.
Old 01-20-2005, 05:53 PM
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Ferrrari 458 Lamborghini SL 570-4 Mercedes CLS63
Iam all stock under the hood....I dont hink its a motor mount...its like its missing..
Old 01-20-2005, 06:13 PM
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If you figure out whats making it idle rough let me know, mines seems to idle alittle rougher than usual, but I think it could be the cold weather here in Illinois!
Old 01-21-2005, 05:11 PM
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Do you feel hesitation when accelerating? If so, it might be the MAF. I replace dmine at 65K. It could also be air filter or plugs depending on how many miles you have on the car and when the last time you changed them.
Old 01-21-2005, 06:29 PM
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Ferrrari 458 Lamborghini SL 570-4 Mercedes CLS63
No hesitation....Mayby it is the plugs or air filter?
Old 01-22-2005, 04:07 PM
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Do you hear any knocking from the engine? I feel hesitation and a rough idle. Since I just rpleaced my MAF less than year ago I dont think thats the problem so I am rpelacing the plugs, wires, and air filters. I ordered the wires from evosport yesterday and am considering buying aftermarket air filters. I'll let you know if anything fixes the problems.
Old 01-22-2005, 08:05 PM
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Originally Posted by proform
Rought idle came out of the blue....How long ya figure till the MAF goes out? Under warranty so no big deal I guess.
Keep us posted.
Old 01-22-2005, 10:31 PM
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2000 CLK430
plug connectors, when your at the dealer don't take no for an answer. they might say that it's fine.
i had the exact same prob. they said it was the motor mounts at first but after a full diag. it was the no.6 spark plug connector.
good luck.

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