2018 Mercedes-Benz C300 Exterior lighting Problems
- Complaints
- 2about this part
- Share
- 2%of 99 total for the year
- Median mileage
- 52,800miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the exterior lighting of the 2018 Mercedes-Benz C300, 2% of the 99 complaints for this model year. Where a mileage was given, the median is 52,800 miles. 2 recall campaigns on record are filed under a similar system.
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.
“The contact owns a 2018 Mercedes-Benz C300. The contact stated that while driving at an undisclosed speed, there was a message was displayed that there was a light bulb malfunction. The contact stated that the rear turn signal lights and brake lights were not operating properly. Additionally, the contact stated that the fuel door failed to operate properly, and occasionally opened independently while driving. The vehicle was taken to a local dealer, where it was diagnosed and determined that the cause of the electrical issues was water in the spare tire compartment. …”
NHTSA complaint #11564953, filed 2024-01, 52,800 miles“Headlight is out and there is no replacement; dealer says they are having significant issues with headlamps. Also, tire safety monitoring system is always on, even though there is a proper air pressure amount.”
NHTSA complaint #11478151, filed 2022-08Related recalls
- 21V509000Jul 2, 2021Mercedes-Benz LLC (MBUSA) is recalling certain 2018-2020 C300, 2019-2020 A220, AMG C43, AMG C63, 2020 GLE580, GLB250, 2020-2021 GLE450, GLE350, 2021 AMG…Covers: Mercedes-Benz C300 2018–2020, AMG C43 2019–2020, A 220 2019–2020 +7 more
- 18V906000Dec 19, 2018Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 Mercedes-Benz C300 and C300 4MATIC vehicles. The headlights on these vehicles may not be properly…Covers: Mercedes-Benz C300 2018, C 300 4MATIC 2018
Related 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…
- 11015574Mar 11, 2025Complaint The message "Device detected at diagnostics connection See Owner’s Manual" appears sporadically in the multifunction display of the instrument cluster while driving…
- 11010494Nov 13, 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…
- 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…
- 11008323Sep 10, 2024Complaint Headlamps fogged or droplets forming. Cause Due to its outlet openings, the headlamp is an "open system". This means that acidic gases, moisture, dirt and exhaust gases…
- 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…
Exterior lighting: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2022 | 1 | 4% |
| 2019 | 1 | 1% |
| 2018 | 2 | 2% |
| 2016 | 4 | 1% |
| 2015 | 1 | 0% |
| 2013 | 3 | 1% |
| 2012 | 4 | 2% |
| 2011 | 20 | 4% |
| 2010 | 48 | 11% |
| 2009 | 118 | 20% |
| 2008 | 108 | 16% |
Other parts of the 2018 Mercedes-Benz C300
34 complaintsOther or unknown
23 complaintsBody and structure
14 complaintsSteering
12 complaintsElectrical system
10 complaintsFuel system
10 complaintsAir bags
4 complaintsForward collision avoidance
4 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsBrakes
2 complaintsTires
2 complaintsTransmission and drivetrain
2 complaints
← All problems reported for the 2018 Mercedes-Benz C300
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