The seat belt latch in the second seating row, the outboard seatbelt latch plate retracted into the area between the c-pillar paneling and the rear side paneling. The rear occupant was not be able to fasten the seat belt latch. The latch plate retracted behind the panel and the seat belt for the affected rear seat was not be available for fastening. I was able to grab the latch plate with a…
2017 Mercedes-Benz GLC-Class seatbelts problems
moderate Owners of the 2017 Mercedes-Benz GLC-Class have filed 6 NHTSA complaints about the seatbelts at roughly $500 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See seatbelts across all vehicles →
| Model year | seatbelts complaints |
|---|---|
| 2016 GLC-Class | 5 |
| 2017 GLC-Class (this page) | 6 |
| 2018 GLC-Class | 7 |
What owners are reporting 1 most recent
Common questions
How serious is the seatbelts problem on the 2017 Mercedes-Benz GLC-Class?
It's a documented issue but not catastrophic. 6 complaints have been filed. Repairs average $500 and most owners catch it before it causes a breakdown.
At what mileage does the seatbelts typically fail?
Based on the 6 complaints filed, seatbelts issues most often appear around 77,333 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $500 for seatbelts repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to seatbelts?
No active recalls currently cover seatbelts issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.