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We expect the 2025 GLC to be less reliable than other new cars. This prediction is based on the Mercedes-Benz brand score.
The Reliability score is based on our latest subscriber survey of 2022 Mercedes-Benz GLC owners. The owner comments describe problems respondents experienced with this vehicle.
Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
"Rattles coming from rear seat and trunk area even when driven on smooth road. It started after having the car for a year and MERCEDES-BENZ says they cannot fix it."
Anonymous, WA (2022 Mercedes-Benz GLC GLC300 2.0-L 4 Cyl turbo)"Start after a year and rattles come from dashboard. Not resolved."
Anonymous, WA (2022 Mercedes-Benz GLC GLC300 2.0-L 4 Cyl turbo)Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
"Without warning, the car while travelling would go into limp mode. This happened at least three times and you could barely go. Service kept acting like I was crazy, said no code was showing, they would do nothing, and then it would happen atain. Later recall of defective fuel impeller fixed problem. Also, it had to be towed once when there was a catastrophic failure."
Anonymous A., AL (2022 Mercedes-Benz GLC GLC300 2.0-L 4 Cyl turbo)Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
"Squeaks loudly whencold and backing up. Dealer says this is normal, but I feel it is not on a luxury vehicle"
Anonymous A., GA (2022 Mercedes-Benz GLC GLC300 2.0-L 4 Cyl turbo)Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
Shocks or struts, ball joints, tie rods, wheel bearings, alignment, steering linkage (includes rack and pinion), power steering (pumps and hoses, leaks), wheel balance, springs or torsion bars, bushings, electronic or air suspension.
AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
Alternator, starter, hybrid battery replacement, hybrid battery related systems, regular battery, battery cables, engine harness, coil, ignition switch, electronic ignition, spark plugs and wires failure, auto stop/start.
Transmission rebuild or replacement, torque converter, premature clutch replacement.
Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
Cruise control, clock, warning lights, body control module, keyless entry, wiper motor or washer, tire pressure monitor, interior or exterior lights, horn, gauges, 12V power plug, USB ports, alarm or security system, remote engine start, heated or cooled seats, heated steering wheel, headlights, automatic headlights, automatic wipers, wireless charging pad.
Windows, locks and latches, doors or sliding doors, tailgate, trunk or hatch, mirrors, seat controls (power or manual), seat belts, sunroof, convertible top, glass defect.
Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
"Extremely loud fan noise in front of engine on a hot day even during a short drive."
Anonymous, FL (2022 Mercedes-Benz GLC GLC300 4.0-L V8 turbo)