2005 Mercedes-Benz C320 Engine cooling Problems
- Complaints
- 4about this part
- Share
- 27%of 15 total for the year
- Median mileage
- 34,253miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the engine cooling of the 2005 Mercedes-Benz C320, 27% of the 15 complaints for this model year. Where a mileage was given, the median is 34,253 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I have had 2 instances where I start driving and the car loses power and then will regain power. It is within the first 5-10 minutes of driving and is extremely dangerous and could cause accidents. Service has not been able to find problem. 4 other friends have indicated they are having the same problem with loss of power. Most are the same model.”
NHTSA complaint #10141825, filed 2005-11“The contact owns a 2005 mercedes benz C320. The contact was driving 40 MPH when the engine stalled without warning. The vehicle was towed to an authorized dealer where they replaced the crankshaft position sensor at the contact's expense. The contact was informed there were no recalls on the vehicle. The manufacturer was called but offered no assistance. The failure mileage was 34,253. Updated 12/30/10 updated 01/10/11”
NHTSA complaint #10357768, filed 2010-09, 34,253 miles“The contact owns a 2005 mercedes benz C320. The contact stated while driving 5 MPH, the vehicle stalled without warning. The contact was able to restart the vehicle within twenty seconds. The contact stated that there were two instances of the failure. The vehicle was taken to the dealer and also a mechanic shop and neither facility was able to duplicate the failure. The manufacturer was not contacted and the vehicle was not repaired. The failure mileage was 84,500.”
NHTSA complaint #10394208, filed 2011-04, 84,500 milesRelated service bulletins
- 10135867Jun 9, 2015Engine noises after engine start
- 10167489Mar 19, 2014Noise: A rattling noise may be heard from the area of the chain drive for approx. 2-5 seconds after engine start. And/or: Fault code entries in engine control unit: SIM271DE20…
- 10024362Feb 20, 2008Mercedes-benz - check catalytic converters and replace if necessary - models 203, 209, 211, 215, 230 - model years 2004-2005. *nj update 8/7/2008.
Engine cooling: other model years
Other parts of the 2005 Mercedes-Benz C320
3 complaintsAir bags
2 complaintsElectrical system
2 complaintsExterior lighting
2 complaintsOther or unknown
2 complaintsEngine
1 complaintsSteering
1 complaintsTransmission and drivetrain
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2005 Mercedes-Benz C320
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology