Rough idle

Asked by Nov 05, 2017 at 07:54 AM about the 2004 Mercedes-Benz C-Class

Question type: Maintenance & Repair

Hi there, when i had the car in park gear the revs
would jump up and down and the car would make
a funny noise. This happened when the engine was
hot! Any advice would be much appreciated. Thank

1 Answer

Hi tom, there is no engine light on. The" noise" is related with the air intake. Is like someones accelerating the car. Could this be because of a bad spark plug?

Your Answer:

Mercedes-Benz C-Class Experts

  • #1
    Lorne Grandison
  • #2
  • #3
View All

Related Models For Sale

Used Mercedes-Benz E-Class
459 Great Deals out of 20,238 listings starting at $1,100
Used BMW 3 Series
966 Great Deals out of 30,101 listings starting at $1,219
Used Mercedes-Benz S-Class
115 Great Deals out of 5,344 listings starting at $2,800
Used Mercedes-Benz CLS-Class
47 Great Deals out of 1,419 listings starting at $5,895
Used BMW 5 Series
432 Great Deals out of 17,782 listings starting at $2,500
Used Audi A4
175 Great Deals out of 7,621 listings starting at $1,700
Used BMW M3
41 Great Deals out of 2,395 listings starting at $6,987
Used Ford Mustang
594 Great Deals out of 39,533 listings starting at $1,550
Used Mercedes-Benz M-Class
142 Great Deals out of 4,533 listings starting at $699
Used Mercedes-Benz G-Class
15 Great Deals out of 1,161 listings starting at $22,500
Used Mercedes-Benz CL-Class
24 Great Deals out of 485 listings starting at $4,700
Used Honda Accord
986 Great Deals out of 84,580 listings starting at $850

Used Cars for Sale

2019 Mercedes-Benz C-Class For Sale
4,513 listings starting at $41,400
2018 Mercedes-Benz C-Class For Sale
87 Great Deals out of 6,546 listings starting at $25,417
2017 Mercedes-Benz C-Class For Sale
37 Great Deals out of 919 listings starting at $21,091
2016 Mercedes-Benz C-Class For Sale
66 Great Deals out of 1,762 listings starting at $18,500
2015 Mercedes-Benz C-Class For Sale
381 Great Deals out of 5,358 listings starting at $15,695

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. Content will be removed if CarGurus becomes aware that it violates our policies.