CarRecallWatchThe 2018 Mercedes-Benz C 300 4MATIC has 3 safety recalls on file with NHTSA.
Owners have filed 12 complaints with NHTSA.
The most-reported problem area is Structure (5 reports).
2018 Mercedes-Benz C 300 4MATIC recalls
Headlights may be misaligned, reducing night visibility
Some headlights on these vehicles may not be properly aimed.
Passenger Airbag Status Light May Show Wrong Status
The infotainment (audio) head unit in these vehicles may incorrectly display the front passenger airbag as "ON" when it is actually off, or the status may not display correctly at all.
Rear window may loosen and detach while driving
The rear window on these vehicles may have been bonded incorrectly at the factory.
Most common 2018 Mercedes-Benz C 300 4MATIC problems
Problem areas named in the 12 complaints owners filed with NHTSA.
| Problem area | Reports |
|---|---|
| Structure | 5 |
| Unknown Or Other | 3 |
| Engine | 2 |
| Air Bags | 1 |
| Electrical System | 1 |
| Communication | 1 |
| Steering | 1 |
| Seat Belts | 1 |
| Suspension | 1 |
| Visibility/Wiper | 1 |
What owners report
Sunroof causing dangerous pinch conditions. Roof tracks break and cause pinch areas with partial opening of roof
I have begun noticing symptoms of the adhesive failing, such as excessive wind noise coming from the front roof area and visible gaps/separation between the panel and the vehicle body. This poses a severe safety risk, as the panel could completely detach while driving and become a high-speed road hazard. No warning lights have appeared. The vehicle and component are available for inspection upon request.
2018 Mercedes C300 - a hole rusted through the rear subframe causing structural safety concerns. This car has been routinely washed weekly and the frame should not have rusted through within only 8 years. This also led to a large repair bill.
****Please force Merces to recall all VIN's!******* NHTSA ID Number: 23V854000 1) Front glass roof panel came off while driving the car on the freeway. I didn't see or hear anything. When I got out of the car, I saw the entire piece has come off. This has caused my sunroof to malfunction, and it won't close now. I garage my car and barely drive it. I bought it used in Dec. 2021. There was about 46,000 on it in Dec 2021 and now (June 2026) the mileage is 51,000. Yes, the car is available for inspection. 2) I was on the freeway, didn't see it come off. No cars immediately in front or behind me. 3) There have been many complaints that this has happened, but Mercedes won't fix it and just say o
Mercedes-benz usa. llc (mbusa) is recalling certain 2014-2020 c-class, cla, gla, s-class. glc, and gle vehicles. please refer to mbusa's recall report for specific vehicle details. the front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair, allowing the front panel to detach from the vehicle., Consequence A detached roof panel can become a roao hazard, increasing the risk of a crash I went to the dealership about this complaint 2 years ago not even knowing about an official recall of this exact problem. I don't drive my car as much because it was an issue that never got fixed. I was never told about
2018 Mercedes-Benz C 300 4MATIC questions
Does the 2018 Mercedes-Benz C 300 4MATIC have any recalls?
Yes. NHTSA lists 3 safety recalls for the 2018 Mercedes-Benz C 300 4MATIC: Headlights may be misaligned, reducing night visibility; Passenger Airbag Status Light May Show Wrong Status; Rear window may loosen and detach while driving. Recall repairs are normally free at an authorized dealer.
What are the most common problems with the 2018 Mercedes-Benz C 300 4MATIC?
Based on 12 owner complaints filed with NHTSA, the most-reported problem areas are Structure (5), Unknown Or Other (3), Engine (2).
How do I check if a recall on my 2018 Mercedes-Benz C 300 4MATIC has been fixed?
Enter your 17-character VIN in our VIN recall check. It shows open recalls that have not been repaired on your specific vehicle. Recall repairs are normally free at an authorized dealer.