2005 Mercedes-Benz C320 Exterior lighting Problems
- Complaints
- 2about this part
- Share
- 13%of 15 total for the year
- Median mileage
- 146,234miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the exterior lighting of the 2005 Mercedes-Benz C320, 13% of the 15 complaints for this model year. Where a mileage was given, the median is 146,234 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 went to change my low beam headlight bulb and found the wiring insulation all flaking off to about six inches from the bulb connector. I searched on line and found others complaining of this same thing. I suspect since these wires are hidden inside the headlight assembly, the problem is much more common.”
NHTSA complaint #11181940, filed 2019-02, 205,000 miles“There needs to be something done to eliminate the problem with headlights. Almost every auto manufacture is making there headlights out of material that clouds up after a couple of year. It is a safety hazard that has continued for more years than it should have. When the lights cloud up they become very dim and cast shadow on images that they should be illuminating. It is very dangerous in rural areas and highways that are not lighted. Lights are as important as the other safety items in a vehicle. …”
NHTSA complaint #10632938, filed 2014-09, 87,467 milesRelated service bulletins
- 11031580Apr 16, 2026Complaint Headlamp, front fog lamp leaky or fogged. Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to…
- 11029959Mar 9, 2026Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to…
- 11029025Feb 24, 2026Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to…
- 11017500Apr 28, 2025Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky…
- 11017496Apr 28, 2025Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to…
- 11007974Sep 21, 2024Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky…
- 11007753Sep 10, 2024Complaint Headlamp or front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead…
- 11005294Jul 23, 2024Complaint Rear lamps fogged up/not leaktight. Cause Fogging of the rear lamps is a natural phenomenon, which can occur under certain climatic conditions. This does not lead to…
- 10028585Feb 6, 2009Mercedes vehicles: the xenon or bi-xenon headlamp not functioning. A function description can be found in wis document gf8s.10-p-20010 (203), gf82.10-p-0003q (209)…
Exterior lighting: other model years
Other parts of the 2005 Mercedes-Benz C320
4 complaintsSeats
3 complaintsAir bags
2 complaintsElectrical system
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