2004 Mercedes-Benz ML350 Exterior lighting Problems
- Complaints
- 2about this part
- Share
- 6%of 35 total for the year
- Median mileage
- 96,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the exterior lighting of the 2004 Mercedes-Benz ML350, 6% of the 35 complaints for this model year. Where a mileage was given, the median is 96,000 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.
“During a routine change of a headlight lamp, the maintenance technician discover that the insulation on all four wires in the left front headlight assembly were cracked, disintegrating and missing leaving the bare wires exposed. The maintenance technician would not change the bulb until a new wiring harness was fabricated and the discrepancy was corrected. This is a dangerous situation. The bare wires are in an enclosed headlamp assembly, contacting flammable materials. A short in these wires can lead to system failures, overheating and fire in the headlamp area. …”
NHTSA complaint #10837350, filed 2016-02, 96,000 miles“Discovered brittle, broken and missing wiring insulation on the headlight wiring inside the headlamp assembly. This was a dangerous situation that allowed the positive and negative wires to come in contact with each other creating a short.”
NHTSA complaint #11024117, filed 2017-09Related 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…
- 10028025Oct 5, 2009Mercedes: stop/tail light not illuminating with dtcs 9102, 9103, 9106, 9107, 9126, 9127 or 9136. (vehicles without led tail lamps) *pe updated 5/13/09. *pe updated 4/20/11…
Exterior lighting: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2015 | 1 | 2% |
| 2014 | 2 | 3% |
| 2013 | 1 | 2% |
| 2012 | 9 | 14% |
| 2011 | 3 | 3% |
| 2010 | 5 | 5% |
| 2009 | 5 | 5% |
| 2008 | 7 | 10% |
| 2007 | 3 | 4% |
| 2006 | 9 | 5% |
| 2005 | 1 | 4% |
| 2004 | 2 | 6% |
Other parts of the 2004 Mercedes-Benz ML350
6 complaintsAir bags
5 complaintsBrakes
4 complaintsElectrical system
4 complaintsFuel system
4 complaintsSeats
4 complaintsEngine cooling
3 complaintsEngine
2 complaintsOther or unknown
2 complaintsBody and structure
2 complaintsEquipment
1 complaintsTires
1 complaints
← All problems reported for the 2004 Mercedes-Benz ML350
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 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