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5 complaints
MERCEDES-BENZ GLC 300 4MATIC 2026 UNKNOWN OR OTHER
critical
I was parked for a few minutes and I suddenly noticed a strong oder coming into my vehicle. I could not pinpoint what the smell was, but I knew that whatever was coming into the SUV was not safe. My s
NHTSAUSJun 2026Source →
MERCEDES-BENZ GLC 300 4MATIC 2026 STRUCTURE:BODY
low
I bought a 2026 GLC300 4matic SUV a month ago. I am very disappointed and scared of serious bodily damage due to the trunk door closing by itself while my upper body is loading/unloading the trunk.
NHTSAUSApr 2026Source →
MERCEDES-BENZ GLC 300 4MATIC 2026 SERVICE BRAKES
medium
The breaks on these vehicles are extremely dangerous . Before I leased this vehicle test drove 3 vehicles. The salesman said the breaks will adjust as you drive. They have not. ITS all over the intern
NHTSAUSApr 2026Source →
MERCEDES-BENZ GLC 300 4MATIC 2026 ELECTRICAL SYSTEM
low
While at a stop with foot on brake, the vehicle surges forward powerfully making a loud noise despite having foot on brake. Forcefully pushing on brake pedal harder eventually stops the car. Most re
NHTSAUSJan 2026Source →
MERCEDES-BENZ GLC 300 4MATIC 2026 BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
low
Backup camera keeps opening and closing constantly while driving in slow speeds. While driving, backup camera keeps opening and closing, creating a noise and distraction to the driver and might cause
NHTSAUSDec 2025Source →