my 1999 320 CLK vibrates when I stop and it is worse when the air conditioning is on.

Asked by Feb 04, 2014 at 01:08 PM about the 1999 Mercedes-Benz CLK-Class CLK 320 Cabriolet

Question type: Maintenance & Repair

my 1999 320 CLK  vibrates when I stop  and it is worse  when the air conditioning is on. It Seems like it wants to turn off.  It stops vibrating when I gave the car additional gas and hold the break.
  
I have replaced the spark plugs

2 Answers

21,705

Bad vacuum leak or bad IAC valve. Idle air control

Believe it or not but check the motor mounts

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