2018 Mercedes-Benz GLS 450 Exterior lighting Problems
- Complaints
- 1about this part
- Share
- 7%of 14 total for the year
- Median mileage
- 8,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the exterior lighting of the 2018 Mercedes-Benz GLS 450, 7% of the 14 complaints for this model year. Where a mileage was given, the median is 8,000 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.
“My gls-450 has the 'lighting package' with active LED headlamps including 'corner-illuminating front headlamps, actiated (activated spelled wrong) by the steering wheel or turn-signal use, brighten your way into driveways and garages.' as I live in a very dark rural area, I ordered these lights. I soon discovered that the leds, while superior for forward lighting,provide little or no side lighting for the driver to see when turning onto divided highways with dark islands, etc. This is because the leds are very straight shooting forward. …”
NHTSA complaint #11098025, filed 2018-05, 8,000 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…
- 11029062Feb 25, 2026Complaint 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…
- 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…
- 11028989Feb 24, 2026Complaint 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…
- 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…
- 11007790Sep 9, 2024Complaint Headlamps fogged or droplets forming. Cause Due to the housing cover with pressure compensation diaphragm, the headlamps are a "closed system". This means that the…
Exterior lighting: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2018 | 1 | 7% |
| 2017 | 6 | 17% |
Other parts of the 2018 Mercedes-Benz GLS 450
3 complaintsSuspension
3 complaintsElectrical system
2 complaintsEngine
2 complaintsBody and structure
2 complaintsElectronic stability control
1 complaintsForward collision avoidance
1 complaintsFuel system
1 complaintsOther or unknown
1 complaintsSeats
1 complaintsSteering
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2018 Mercedes-Benz GLS 450
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