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
    5,110
  • #2
    PPC123
    Reputation
    3,680
  • #3
    zabi
    Reputation
    2,610
View All

Related Models For Sale

Used Mercedes-Benz E-Class
607 Great Deals out of 20,565 listings starting at $2,495
Used BMW 3 Series
1,090 Great Deals out of 33,464 listings starting at $1,000
Used Mercedes-Benz S-Class
170 Great Deals out of 7,125 listings starting at $2,888
Used BMW 5 Series
519 Great Deals out of 15,972 listings starting at $1,400
Used BMW M3
33 Great Deals out of 2,019 listings starting at $6,995
Used Ford Mustang
612 Great Deals out of 36,332 listings starting at $899
Used Honda Accord
1,043 Great Deals out of 58,767 listings starting at $1,099
Used Chevrolet Camaro
442 Great Deals out of 30,816 listings starting at $2,495

Used Cars For Sale

2017 Mercedes-Benz C-Class For Sale
163 Great Deals out of 5,336 listings starting at $28,379
2016 Mercedes-Benz C-Class For Sale
41 Great Deals out of 1,304 listings starting at $22,991
2015 Mercedes-Benz C-Class For Sale
195 Great Deals out of 3,391 listings starting at $18,977
2014 Mercedes-Benz C-Class For Sale
68 Great Deals out of 1,576 listings starting at $12,977
2013 Mercedes-Benz C-Class For Sale
40 Great Deals out of 1,272 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.