What causes my car to idle unstable at a cold start and shake til its warmed up??

Asked by May 01, 2013 at 07:55 PM about the 1994 Mercedes-Benz C-Class

Question type: Maintenance & Repair

I start my car in the morning and it idles between 500 rpm and 1000 rpm unstably and the
car shakes a little till its warmed up, when the cars warm it runs fine other the a jerk at
random times when sitting at a stopping point..... can anyone help....

1 Answer

55

throttle body usually gives problems ,try cleaning it with carb cleaner

2 of 2 people found this helpful.

Your Answer

Mercedes-Benz C-Class Experts

  • #1
    Lorne Grandison
    Reputation
    5,200
  • #2
    PPC123
    Reputation
    3,750
  • #3
    zabi
    Reputation
    2,680
View All

Related Models For Sale

Used Mercedes-Benz E-Class
700 Great Deals out of 22,767 listings starting at $1,450
Used BMW 3 Series
1,048 Great Deals out of 32,737 listings starting at $1,200
Used Mercedes-Benz S-Class
156 Great Deals out of 8,198 listings starting at $1,200
Used BMW 5 Series
518 Great Deals out of 15,569 listings starting at $1,650
Used BMW M3
41 Great Deals out of 2,092 listings starting at $5,495
Used Chevrolet Corvette
170 Great Deals out of 17,511 listings starting at $3,000
Used Ford Mustang
607 Great Deals out of 38,713 listings starting at $1,895
Used Porsche 911
133 Great Deals out of 5,108 listings starting at $10,947
Used Chevrolet Camaro
437 Great Deals out of 31,438 listings starting at $1,450

Used Cars For Sale

2017 Mercedes-Benz C-Class For Sale
238 Great Deals out of 4,857 listings starting at $26,500
2016 Mercedes-Benz C-Class For Sale
59 Great Deals out of 1,213 listings starting at $21,991
2015 Mercedes-Benz C-Class For Sale
280 Great Deals out of 4,008 listings starting at $17,999
2014 Mercedes-Benz C-Class For Sale
64 Great Deals out of 1,430 listings starting at $13,900
2013 Mercedes-Benz C-Class For Sale
54 Great Deals out of 1,192 listings starting at $10,991

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.