CarRecallWatchThe 2024 Mercedes-Benz GLC 300 has 8 safety recalls on file with NHTSA.
Owners have filed 21 complaints with NHTSA, including 1 crash, 2 injuries.
The most-reported problem area is Engine (7 reports).
2024 Mercedes-Benz GLC 300 recalls
Driver's Door Lock Can Corrode, Risking Rollaway
The micro-switch in the driver's door lock may corrode and fail to detect that the door is open.
Loose steering coupling bolt can cause loss of steering
A steering coupling bolt may have been improperly tightened at the factory, which could allow the steering coupling to loosen from the steering rack.
Rear Head Impact Protection May Fall Short in a Crash
Certain 2023-2025 Mercedes-Benz GLC and AMG GLC vehicles equipped with a panoramic sunroof may not meet a federal occupant protection standard.
Wrong fuse box may cause sudden power or safety system loss
A repair made under an earlier Mercedes-Benz recall may have left some vehicles with an incorrect main fuse box, one not designed for the vehicle.
Rear Axle Bolts May Loosen, Causing Loss of Drive Power
The bolts that attach the rear axle differential to the rear axle carrier may come loose.
Engine carrier welds may fail, risking loss of control
Certain 2024 vehicles have an integral carrier, the structure that supports the engine, that may have improper welds.
Fuse May Fail, Causing Power Loss or Fire Risk
Certain vehicles may have 80-Amp fuses that were manufactured incorrectly, so the fuses can fail.
Windows May Detach; Airbags May Not Deploy Properly
Some 2024 GLC 300 vehicles may have front, rear, or fixed side windows that are not properly secured, so they can come loose.
Most common 2024 Mercedes-Benz GLC 300 problems
Problem areas named in the 21 complaints owners filed with NHTSA.
| Problem area | Reports |
|---|---|
| Engine | 7 |
| Electrical System | 6 |
| Power Train | 5 |
| Service Brakes | 3 |
| Exterior Lighting | 3 |
| Unknown Or Other | 3 |
| Forward Collision Avoidance | 2 |
| Visibility/Wiper | 1 |
| Air Bags | 1 |
| Seat Belts | 1 |
What owners report
While driving the vehicle the engine started running rough, check engine light illuminated and it would not accelerate above 40 mph. There are 29,100 miles on the vehicle, it's been serviced on schedule by Mercedes and is owned by me since new. It is especially concerning due to the acceleration topic which could have been catastrophic if I were trying to merge into traffic. Dealer service say the camshaft bearing needs to be replaced. It seems this is very premature for the mileage on the vehicle.
While driving my 2024 Mercedes-Benz GLC 300 on California highways, the vehicle has repeatedly experienced sudden uncontrolled deceleration, unexpected transmission downshifts into 2nd gear, severe transmission jerking, and complete loss of accelerator response. The first major incident occurred on March 7, 2025, while traveling on Interstate 5 at approximately 70 mph. The transmission suddenly jolted and downshifted directly into 2nd gear. The vehicle immediately lost power and slowed to approximately 20 mph without warning. I exited the highway and restarted the vehicle before it temporarily resumed normal operation. A second major incident occurred on May 7, 2026, while driving on Inter
3/31/26 2pm After highway driving - 3 miles/35 mph tried to brake- Immediately something was wrong with the brake as and it felt spongy/mushy/unresponsive. Car did not slow until I pressed the brake fully to the floor. The car did stop &was alarmingly unresponsive. Around this time,noticed the white BRAKE light illuminated. Continued to drive - terrified. Had to brake VERY HARD to get car to slow/stop. at home, Quick google search had me try turning on and off parking brake - tied this 5-6 times and white BRAKE light went off and I could brake/stop car. Bought car to Mercedes for service for 4:20 appointment - expressing incredibly strong reservations to Will Bane -and fear about driving ca
â¢Incident Details: â¢Both sudden shutdown incidents â¢â12V Batteryâ warning (first incident) â¢âStop - Switch Off Vehicleâ warning (second incident) â¢That it happened with children in the car on a tollway Safety Concerns: â¢Loss of power steering/braking â¢Risk of collision â¢Repeated failures on a 1-year-old vehicle
I am writing to report a critical safety issue with my 2024 Mercedes-Benz GLC300, VIN: [XXX] , which I purchased on [XXX], from Mercedes-Benz of Walnut Creek, CA, with 9,500 miles. On [XXX], while driving on [XXX], the vehicle suddenly lost power, the transmission downshifted to 2nd gear, and the accelerator became unresponsive. I was forced to drive at 20 mph for 20 minutes on a busy freeway, posing a severe risk of a rear-end collision. I managed to exit the freeway, but this incident could have resulted in a serious accident. This failure may be related to prior recalls of the 2024 GLC300, including issues with a defective 80-amp fuse (February 2024) and a loose 48-volt battery ground c
2024 Mercedes-Benz GLC 300 questions
Does the 2024 Mercedes-Benz GLC 300 have any recalls?
Yes. NHTSA lists 8 safety recalls for the 2024 Mercedes-Benz GLC 300: Driver's Door Lock Can Corrode, Risking Rollaway; Loose steering coupling bolt can cause loss of steering; Rear Head Impact Protection May Fall Short in a Crash; Wrong fuse box may cause sudden power or safety system loss; Rear Axle Bolts May Loosen, Causing Loss of Drive Power. Recall repairs are normally free at an authorized dealer.
What are the most common problems with the 2024 Mercedes-Benz GLC 300?
Based on 21 owner complaints filed with NHTSA, the most-reported problem areas are Engine (7), Electrical System (6), Power Train (5).
How do I check if a recall on my 2024 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.