2017 Mercedes-Benz GLC 300 problems
NHTSA has received 137 complaints about the 2017 Mercedes-Benz GLC 300, and 28% of them involve engine. After that come fuel system (12%) and electrical system (11%).
At a glance
- Complaints
- 137 filed with NHTSA
- Most reported
- Engine 28% of complaints
- Crashes and fires
- 6 and 3
- Injuries and deaths
- 3 and 0
- Typical mileage
- 26,000 miles 55 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 | 24 |
| 20k to 40k miles | 7 |
| 40k to 60k miles | 2 |
| 60k to 80k miles | 9 |
| 80k to 100k miles | 8 |
| 100k to 120k miles | 0 |
| 120k to 140k miles | 4 |
| 140k to 160k miles | 0 |
| 160k to 180k miles | 0 |
| 180k to 200k miles | 1 |
| 200k+ miles | 0 |
What the data shows
Among the 55 complaints that report mileage, the typical (median) problem appeared at about 26,000 miles. For engine specifically, the median reported mileage is about 68,000 miles (10 complaints with mileage).
Safety-related details: 6 complaints mention a crash; 3 complaints mention a fire; 3 injuries reported.
Looking only at complaints filed within five years of the model year (so older and newer years are comparable), the 2017 ranks 7th most-complained-about out of 10 model years of the Mercedes-Benz GLC 300 with enough data (74 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.
Tl* the contact owned a 2017 mercedes-benz glc300. While driving below 40 MPH, the vehicle veered to the left and crashed into a tree. The contact did not notice if there were any warning indicators illuminated before or after the crash. The air bags deployed. The vehicle was towed to an independent mechanic. The contact was injured and required medical attention. A police report was filed. The vehicle was deemed totaled by the insurance company; therefore, the vehicle was not diagnosed or repaired.
Tl* the contact owns a 2017 mercedes benz glc300. The contact stated that while his wife was driving approximately 40 MPH, the vehicle crashed into a 2nd vehicle. During the crash the front end was severely damaged but the air bags did not deploy. Also, the collision avoidance system malfunctioned and did not stop the vehicle to avoid the collision. The driver sustained bruises to the torso area which required medical treatment. An occupant from the 2nd vehicle was transported to the hospital by ambulance.
Rear braking system. When backing up or applying pressure to the brakes, the vehicle is screaming a loud noise. Taken by dealership at 7000 miles 01/04/18 dealership states they can't fix it until they receive parts ,with the takata recall and a faulty braking system, this is a highway safety issue.
The contact owns a 2017 Mercedes-Benz GLC300. The contact stated while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken back to the dealer and the contact was informed that the vehicle was repaired. The contact stated that the dealer had only reset the codes. In addition, the contact stated that the tire pressure sensor warning light was illuminated. The contact stated that the sunroof latch failed to close as needed using the sunroof power switch.