2005 Mercedes Benz C Class problems, complaints & recalls
Most-reported problem areas: Seats (2) · Vehicle Speed Control (1) · Power Train:automatic Transmission (1)
🧭 Reliability snapshot
Compared against other Mercedes Benz C Class model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (2)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Fuel System, Other:storage:tank Assembly:mounting 2008-09-17 · PB-61-10-07 · Service Bulletin/Repair Instructions
mercedes: replacing the longitudinal member (left and right) below the main floor panel on all my 204 up to 12/31/07. (c300, c350, c300 4-matic, c63 ame). *pe
Power Train 2007-01-01 · 2006020008 · Service Bulletin/Repair Instructions
inspect transmission pilot bushing at electrochydraulic unit and replace if necessary. the transmission pilot bushing may have been installed on the control units with non-tempered sealing rings which may cause a small leak to occur. *tt updated 04-11-07. *kb
What owners report
2014-02-28 · Seats · 81,000 mi“driver's side seat back, left bolster, started to smoke and burned a dime size hole in the leather seat cover. driver's seat heat was on at the time. turning the seat heat off seems to have solved the problem temporarily. suspect short in seat heat wiring. potential fire hazard! *tr…”
2012-06-04 · Vehicle Speed Control · 72,280 mi“while driving experienced sudden loss of power. engine would rev normally but vehicle acted as if in neutral. i was able to move over to side of freeway safely. placed car in park and then shifted back into drive, and car behaved normally. after doing research, i have discovered that this is a common problem with this model. according to, http:…”
2012-01-05 · Seats · 105,000 mi“seat control module failure. 2 modules per car, 1 for passenger seat, and 1 for driver seat fail. the defective seat control module unit will deplete the cars battery overnight resulting in a no-start condition the following day. a new battery, or a jump start, will get the car going again. the common immediate resolution is to unplug the sea…”
2010-08-27 · Power Train:automatic Transmission · 24,000 mi“a o-ring connected to the transmission started leaking out transmission fluid after my wife drove the car in the snow, the back tires had some traction problem due to the wet snow earlier. once the car reached home, transmission oil was dripping onto the garage floor. the car has less than 25k on it, in mint condition. she was told by our neigh…”
2006-06-19 · Air Bags:frontal“i received a notice in april that my car was recalled because of air bag safety issues. mercedes has not rectified the situation. *jb…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.