Skip to content
Exterior lightingPart report

2003 Mercedes-Benz C320 Exterior lighting Problems

Complaints
2about this part
Share
9%of 22 total for the year
Median mileage
170,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the exterior lighting of the 2003 Mercedes-Benz C320, 9% of the 22 complaints for this model year. Where a mileage was given, the median is 170,000 miles. 1 of these say a crash was involved, according to the filers.

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.

“Mercedes benz possible recall / extended warranty for fuel system... Involving a c class 2003 with same engine as the e class. The car fuel system is totally messed up, will only fill a half tank and runs out of gas because the fuel tank system is not working correctly. Car will not fill. Only one tank taking and sending fuel apparently. Dash is messed up, lights out, fuel system totally messed up. I almost went off a cliff in the car, slid backwards on a hillside when the car ran out of fuel unexpectedly. …”

NHTSA complaint #11020951, filed 2017-08, 170,000 miles

“I purchase my 2003 mercedes from carmax in 2 years ago. It had 45,000 miles when I purchased it. From the time I purchase this car I had to replace the sunroof motor, replace the shocks, replace the truck lock, replace the fuel tank, and I had some transmission work done. My biggest problem is having to replace the low beam lights every 6 months. I suspect there is an electrical problem, but cannot completely prove it with the manufacturer. With 1 year, I had to replace the bulbs 3 times. I had to replace the front low beam bulbs and the brake lights. …”

NHTSA complaint #10241799, filed 2008-09

Related service bulletins

Exterior lighting: other model years

YearComplaintsShare of year
2005213%
200329%
200257%
2001711%

Other parts of the 2003 Mercedes-Benz C320

Electrical system
7 complaints
Transmission and drivetrain
5 complaints
Air bags
4 complaints
Engine cooling
3 complaints
Fuel system
3 complaints
Visibility (wipers, defrost, mirrors)
3 complaints
Suspension
2 complaints
Vehicle speed control
2 complaints
Brakes
1 complaints
Engine
1 complaints
Equipment
1 complaints
Latches, 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