CarRecallWatchThe 2017 Mercedes-Benz GLC 300 has 12 safety recalls on file with NHTSA.
Owners have filed 101 complaints with NHTSA, including 3 crashes, 2 fires, 2 injuries.
The most-reported problem area is Engine (37 reports).
2017 Mercedes-Benz GLC 300 recalls
Front Roof Panel May Detach, Creating Crash Risk
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.
Front roof panel may detach while driving, creating a crash hazard
The front roof panel, located between the windshield and the panoramic sunroof, may not have been bonded correctly to the vehicle during a previous repair.
Emergency call system may be disabled, delaying crash help
Some 2017 to 2021 Mercedes-Benz vehicles may have had their communication module inadvertently deactivated during a service visit.
Crash Alert May Send Responders to Wrong Location
Certain 2016-2017 Mercedes-Benz vehicles have a software problem in the communication module that runs the automatic crash notification (eCall) system.
Rear seat belt latch may retract, blocking buckling
Certain Mercedes-Benz GLC vehicles from 2016 to 2018 may have a problem with the rear outboard seat belts.
Rear Seat Belts May Not Latch, Raising Crash Injury Risk
Certain rear outboard seat belt latch plates can retract into the interior paneling, so rear passengers may be unable to fasten their seat belts.
Misaligned Headlights May Not Light the Road Well
Some 2016-2017 GLC300, GLC300 4MATIC and GLC43 4MATIC vehicles may have headlights that are misadjusted.
Roof Panels Can Separate and Create Road Hazard
Plastic trim panels on the fixed panoramic sunroof, at the front and sides, may not be bonded securely enough.
Driver Airbag May Deploy Unexpectedly, Raising Injury Risk
The driver's front airbag may deploy without warning because the steering components may not be properly grounded.
Power Steering May Fail, Raising Crash Risk
Some vehicles have electric power steering control units with improperly welded contact pins.
Front seatbelts may not tighten in a crash
Certain 2017 Mercedes-Benz vehicles have front seat seatbelt pretensioners that may not work properly.
Starter Can Overheat and Melt, Creating a Fire Risk
A starter current limiter can overheat if the engine or transmission fails to turn over and the starter motor repeatedly tries to start the vehicle.
Most common 2017 Mercedes-Benz GLC 300 problems
Problem areas named in the 101 complaints owners filed with NHTSA.
| Problem area | Reports |
|---|---|
| Engine | 37 |
| Electrical System | 15 |
| Fuel/Propulsion System | 14 |
| Unknown Or Other | 13 |
| Air Bags | 11 |
| Seat Belts | 8 |
| Power Train | 7 |
| Visibility | 6 |
| Service Brakes | 4 |
| Steering | 4 |
What owners report
My 2017 Mercedes-Benz GLC 300 is equipped with a panoramic sunroof. The sunroof mechanism and rails were repaired and replaced previously. Approximately a month and a half ago, following heavy rainfall, I discovered water staining on the interior headliner, indicating possible water intrusion through the panoramic roof assembly. I returned the vehicle to the Mercedes-Benz dealership for inspection. The dealership advised me that the seals around the panoramic roof had deteriorated or failed and quoted approximately $10,000 to replace the affected assembly. I am concerned that water entering the vehicle through the roof could potentially reach electrical components, cause electrical malfunc
Independent service company said the car has a raw fuel smell under the vehicle. Signs of fuel leak at the connection between the high pressure fuel rail / high pressure fuel pump line. Mentioned a recall campaign of 2022030003. That addresses this issue. I contacted Mercedes Benz dealers (2) and they said my VIN does not show a recall. The recall does show up online via an AI search and it is supposed to cover 2016-2020 GLCs like ours. Don't know why this is. Can you help?
The contact's wife owns a 2017 Mercedes-Benz GLC300. The contact stated that while the vehicle was parked in the driveway, the air bags inadvertently deployed without impact to the vehicle. The vehicle was towed to the dealer and remained with the dealer for over a month. The contact was called by the dealer and informed to retrieve the vehicle even though the cause of the failure was not yet determined. The contact notified the manufacturer and was informed that the issue was under investigation. The vehicle remained unrepaired with the dealer. The failure mileage was approximately 189,800.
I smell gas in my car. There is a recall for the fuel parts on the 2019. I have a 2017 with the same issue.
The contact owns a 2017 Mercedes-Benz GLC300. The contact stated while driving at an undisclosed speed, the messages "Driverâs Air Bag Malfunction - Service Required" and "Collision Prevention Assist Unavailable" were displayed. The vehicle was taken to an independent mechanic who diagnosed and determined that the air bag had malfunctioned. The vehicle was not repaired. The contact called the dealer, but the vehicle was not inspected or repaired. The manufacturer was made aware of the failure and referred the contact to the NHSTA Hotline for assistance. The failure mileage was approximately 130,000.
2017 Mercedes-Benz GLC 300 questions
Does the 2017 Mercedes-Benz GLC 300 have any recalls?
Yes. NHTSA lists 12 safety recalls for the 2017 Mercedes-Benz GLC 300: Front Roof Panel May Detach, Creating Crash Risk; Front roof panel may detach while driving, creating a crash hazard; Emergency call system may be disabled, delaying crash help; Crash Alert May Send Responders to Wrong Location; Rear seat belt latch may retract, blocking buckling. Recall repairs are normally free at an authorized dealer.
What are the most common problems with the 2017 Mercedes-Benz GLC 300?
Based on 101 owner complaints filed with NHTSA, the most-reported problem areas are Engine (37), Electrical System (15), Fuel/Propulsion System (14).
How do I check if a recall on my 2017 Mercedes-Benz GLC 300 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.