2020 MERCEDES-BENZ GLC 300 — Complaint #2092268
Open-data reference.
NHTSA Complaint about EXTERIOR LIGHTING filed May 15, 2025
NHTSA complaint #2092268 (ODI reference 11661143) concerns a 2020 MERCEDES-BENZ GLC 300 and was filed on May 15, 2025. The owner reports the failure occurred on May 2, 2025. The report was geocoded to South Carolina based on the filer's self-reported location. The affected component is categorized as exterior lighting, one of NHTSA's standardized taxonomy codes used to group defect patterns across make, model, and year.
The filer flagged the following severity indicators: crash: no, fire: no, injuries: 0, fatalities: 0. No crash, fire, or fatality was associated with this report, which places it in the early-warning stream rather than the priority-review stream. Because a VIN was supplied, this complaint is tied to a specific vehicle and not just a model-year cohort.
Individual complaints are consumer-submitted and unverified by NHTSA engineers — the agency's role at this stage is to collect, index, and make them searchable. What matters for federal action is the pattern: when many owners of the same MERCEDES-BENZ GLC 300 cohort independently describe similar exterior lighting failures, defect investigators have grounds to open a PE and request manufacturer data. Related filings for the same vehicle and component appear below, and the detail page for the full 2020 MERCEDES-BENZ GLC 300 shows the complete component-level complaint distribution alongside any active investigations or recalls.
Complaint Description
Entire front right headlight assembly and module failed with no headlight, turn signal, park light etc. There is no visible external damage to the assembly although there is some moisture inside assembly. From internet search, it appears that this is a very common failure. Cost is over $2500 for replacement from local mechanics and over $3300 from Mercedes dealerships with little to no warranty for future failures either.
Complaint Details
| NHTSA Complaint ID | 2092268 |
| ODI Number | 11661143 |
| Date Filed | May 15, 2025 |
| Failure Date | May 2, 2025 |
| VIN | WDC0G8DB5LF |
Similar EXTERIOR LIGHTING Complaints for 2020 MERCEDES-BENZ GLC 300
There was a recall on headlight leaking and this happened to my left headlight no damage but leaking and this caused headlight to not work
Water condensation within the driver side headlight which caused the complete headlight unit, control unit, and module to fail. This is a huge safety issue due to unable to operate vehicle safely duri
Problem (repeat failure / prior warranty replacement): This vehicle has a recurring headlamp defect involving moisture ingress into the headlamp housing/connectors, causing electrical shorting and war
Source: NHTSA Vehicle Complaints Database. Component taxonomy and severity codes are standardized by NHTSA Office of Defects Investigation.
Read our methodology — how this data is sourced, computed, and verified.