2024 Mercedes Benz Glc Class Recalls, Issues & Maintenance

“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”

“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”

“The vehicle has an ongoing transmission downshifting malfunction. The powertrain unexpectedly downshifts while driving, causing sudden changes in speed and unstable vehicle behavior. The issue can be inspected at any time, as the defect occurs intermittently and has not been…”

“I am experiencing auto braking when there are no obstructions near or around the vehicle. The auto braking is random but occurs fairly often. It is very unsettling and makes me very nervous while driving my brand new vehicle. This happens without warning”

“While carrying my carbon fiber bicycle on a rear hitch mounted bicycle carrier, the vehicle severely and violently applies the brakes and swerves either left or right or both. This catastrophic maneuver has put me and other drivers in a non avoidable highly calamity”

“The reverse sensors are faulty, causing the GLC300 model to randomly auto-brake while going in reverse. My driveway is flat and long with no significant grade changes and this has occurred at another location as well with similar topography. There are no obstructions present”

“The rear lift gate closes unexpectedly when standing behind the vehicle and loading or unloading the cargo area. The keyless soft close activates even though there is no foot movement, or when there is minimal movement. This happens without warning”

“REAR HATCH: WHEN STANDING BEHIND VEHICLE REAR DOOR HATCH CLOSES RANDOMLY WITH NO WARNING OR BEEP. CLOSES VERY QUICKLY AND HITS HEAD VERY HARD. FEET ARE NOT NEAR THE BUMBER WHICH ELIMINATES THE REAR FOOT ACTION THAT CLOSES THE HATCH”

“while parked, the tailgate was opened as groceries were being loaded into the rear cargo area. The tailgate closed inadvertently and struck the contact's head. The contact sustained head and neck injuries, and medical attention was required”

“the contact was informed that the 48V bolt battery had caused the check engine warning light to illuminate. The contact was informed by the dealer that the temporary fix would be to reduce the battery charge to 25% then charge the battery to 75%”

“Engine light came on with no error message. Brought it in for service. Miscellaneous engine repair states: "Found current code POA7F00 in drivetrain control unit. Followed LI54.10-P-077250. Cleared codes. Drained 48V battery to below 25% SOC. Charged vehicle to 70% SOC”

“Check engine light appears, also a blue engine and a turtle. The dealer is aware, they have had it 3times for the same issue and this time 23 days and counting. Currently Mercedes has no fix. I purchased the veh 30 Nov 23- first appeared 16 dec and continued going on and off”

“Check engine light (MIL) came on while driving and vehicle lost power. Would not accelerate. Had it towed to Mercedes Benz of Mrytle Beach. $8000 repair. Mercedes Corp would not help. This is a copy of a TSB (LI05.20-P-080257) for this issue: Complaint engine vibrations…”

“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”

“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”

“After giving a pressure to the brakes, the car feels like the brakes are being slipped towards the end, so I have to hold the brakes hard at the end. I have tried different models of Mercedes such as E class but the brake of E class works exactly opposite from…”

“The vehicle presented multiple warnings/errors before shutting down on the street in traffic on June 23, 2026. Warnings such as Collision Detected, Blind Spot Assist and Exit Warning Inoperative, PRE-SAFE Inoperative, System Failure Detected, Service Required Do Not Shift Gear”

“Attention Assist System Suspended notification comes on randomly on vehicle while driving, rendering driver defenseless with regard to safety warnings that would otherwise be in effect, such as blind spot assist, attention assist, which are vital components for safe driving”