"Stank smell in cabin under hard acceleration"
Thread Starter
Member
Joined: Jun 2015
Posts: 155
Likes: 2
c63 AMG
"Stank smell in cabin under hard acceleration"
I thought maybe to rephrase my question. When you guys are driving your cars hard with the windows up and a/c on do you experience any bad smells in the cabin? If so can you please identify them for me. I still can't figure what is causing the burnt smell in my cabin at high speeds and hard acceleration.
Member
Joined: Oct 2014
Posts: 179
Likes: 7
From: Seattle, WA
Range Rover Sport, 2012 C63 Coupe P31
I'll let the mechanical experts chime in but it sounds like it could be an exhaust leak or something.
Is your car under warranty? I just had my car checked for odd smoking and a smell and it turned out I ran over a plastic bag and it had got caught on my headers and melted. Dealer didn't charge me for the diagnosis but I'm under warranty.
Is your car under warranty? I just had my car checked for odd smoking and a smell and it turned out I ran over a plastic bag and it had got caught on my headers and melted. Dealer didn't charge me for the diagnosis but I'm under warranty.
Thread Starter
Member
Joined: Jun 2015
Posts: 155
Likes: 2
c63 AMG
Definately not a plastic bag...
No warrentee. Actually found the old remnants of a bag; wasn't making the smell. I had the exhaust checked and no leaks were found. I inspected the whole rear end and everything appears to be air tight. I was thinking perhaps it may be the vents on the sides of the car under the back bumper. They are meant to release cabin air to keep pressures stabilized. Perhaps when driving at high speeds at wot cat converter rank is creeping back in through those vents because of high wheel pressures in the wheel well.
Member
Joined: Mar 2013
Posts: 159
Likes: 2
From: Kamloops BC
2013 Ram 2500 Limited 2013 Harley CVO Road Glide
I had a bad stench on start up, never while accelerating.
Changed the cabin filter out and been good since. Cheap enough thing to try for you if you haven't already..
Changed the cabin filter out and been good since. Cheap enough thing to try for you if you haven't already..
Member
Joined: Oct 2014
Posts: 179
Likes: 7
From: Seattle, WA
Range Rover Sport, 2012 C63 Coupe P31
Sounds like other people have had success of getting rid of smells by changing the cabin filters:
https://mbworld.org/forums/c63-amg-w...placement.html
Not a bad way to go since you said the smell happens when the A/C is on.
Just bought one for myself:
https://mbworld.org/forums/c63-amg-w...placement.html
Not a bad way to go since you said the smell happens when the A/C is on.
Just bought one for myself:
Last edited by unruin; Aug 17, 2015 at 10:25 PM.
Member
Joined: Jan 2014
Posts: 122
Likes: 2
C63
I have the same problem. They checked the car twice I think. i may go to another Dealer.
The smell is stronger in the trunk. It occurs when idling or windows open. i suspect the vents to let out positive pressure in the trunk too. I've even though maybe a plug was left out of the spare tire well.
Did not encounter the problem until the Dealer where I bought it detailed the car and soaked the carpets with spot cleaner. we like to have died on the way home, with the windows open and the air running on high. Since that time we have had the funky Road dirt/exhaust smell. With air going and running down the road it doesn't seem to be there, just if you open the windows or go slow.
The leather smell is gone since the detailed it too.
The smell is stronger in the trunk. It occurs when idling or windows open. i suspect the vents to let out positive pressure in the trunk too. I've even though maybe a plug was left out of the spare tire well.
Did not encounter the problem until the Dealer where I bought it detailed the car and soaked the carpets with spot cleaner. we like to have died on the way home, with the windows open and the air running on high. Since that time we have had the funky Road dirt/exhaust smell. With air going and running down the road it doesn't seem to be there, just if you open the windows or go slow.
The leather smell is gone since the detailed it too.
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