2003 Mercedes-Benz C320 Equipment Problems
- Complaints
- 1about this part
- Share
- 5%of 22 total for the year
- Median mileage
- 31,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the equipment of the 2003 Mercedes-Benz C320, 5% of the 22 complaints for this model year. Where a mileage was given, the median is 31,000 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.
“The contact owns a 2003 mercedes C320. The contact was unable to turn the radio off. The vehicle was taken to the dealer to be repaired. In order to avoid draining the battery, she had to remove the fuse. Also, in warm temperatures, the power locks failed intermittently. Upon locking the doors, they would unlock without intent. She had to engage the power locks several times before they would actually stay locked. The vehicle was taken back to the dealer where who stated that the radio would be repaired at her expense. No repairs made to the vehicle. …”
NHTSA complaint #10318869, filed 2010-03, 31,000 milesRelated service bulletins
- 10164810Aug 5, 2019Throttle lift-off clunking noises at drive shafts of front axle
- 10166975Feb 11, 2014This Customer 1 Action has been initiated because certain mbrace subscribers were recently contacted by mbrace informing them that they need to have an i-button call performed to…
Equipment: other model years
Other parts of the 2003 Mercedes-Benz C320
7 complaintsTransmission and drivetrain
5 complaintsAir bags
4 complaintsEngine cooling
3 complaintsFuel system
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsExterior lighting
2 complaintsSuspension
2 complaintsVehicle speed control
2 complaintsBrakes
1 complaintsEngine
1 complaintsLatches, locks and linkages
1 complaints
← All problems reported for the 2003 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