2018 Mercedes-Benz GLC 300 problems
NHTSA has received 124 complaints about the 2018 Mercedes-Benz GLC 300, and 23% of them involve engine. After that come electrical system (10%) and body & structure (8%).
At a glance
- Complaints
- 124 filed with NHTSA
- Most reported
- Engine 23% of complaints
- Crashes and fires
- 8 and 3
- Injuries and deaths
- 4 and 0
- Typical mileage
- 10,000 miles 42 complaints with mileage
Source: NHTSA owner complaints
Where the complaints are
Share of this model year's complaints by the part of the car involved. One complaint can name more than one part, so the shares can add up to more than 100%.
When problems show up
View the numbers
| Mileage | Complaints |
|---|---|
| 0k to 20k miles | 26 |
| 20k to 40k miles | 7 |
| 40k to 60k miles | 4 |
| 60k to 80k miles | 4 |
| 80k to 100k miles | 1 |
| 100k to 120k miles | 0 |
| 120k to 140k miles | 0 |
| 140k to 160k miles | 0 |
| 160k to 180k miles | 0 |
| 180k to 200k miles | 0 |
| 200k+ miles | 0 |
What the data shows
Among the 42 complaints that report mileage, the typical (median) problem appeared at about 10,000 miles.
Safety-related details: 8 complaints mention a crash; 3 complaints mention a fire; 4 injuries reported.
Looking only at complaints filed within five years of the model year (so older and newer years are comparable), the 2018 ranks 4th most-complained-about out of 10 model years of the Mercedes-Benz GLC 300 with enough data (91 complaints in that window). It is also covered by 12 safety recall campaigns.
What owners wrote
A few complaints as filed, shortened and with personal details removed. The first ones are among the most serious reports for this model year; the rest are typical.
When I was pulling into a parking spot at a low speed, the car accelerated and lurched forward, hitting a wall, which deployed the airbags. When the car started to accelerate, I hit the brakes but they did not engage.
The contact owns a 2018 Mercedes-Benz GLC300. The contact stated that when the driver's side seat belt was buckled, the seat belt alarm chimed as if the seat belt was not buckled. The contact had to buckle and unbuckle the seat belt several times before the warning chime stopped. The contact had taken the vehicle to a local dealer who diagnosed the vehicle and determined that there was no issue with the seat belt system. The vehicle was not repaired. The contact stated that the failure was intermittent.
The contact owns a 2018 Mercedes-Benz GLC300. The contact stated that while operating the vehicle, the message "Front Air Bag Malfunction" was displayed, and the horn became inoperable. The vehicle was taken to the local dealer who diagnosed that the steering column and air bag clock spring were faulty and needed to be replaced. The vehicle was not yet repaired. The manufacturer was notified of the failure and informed the contact that the VIN was not included in NHTSA Campaign Number: 17V627000 (AIR BAGS).