The 2019 GLC is less reliable than other cars from the same model year.
The Reliability score is based on our latest subscriber survey of 2019 Mercedes-Benz GLC owners. The owner comments describe problems respondents experienced with this vehicle.
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.
Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
""problem with engine - sensing that it was running hot started while under warranty - dealer, after 6 visits, never corrected the issue - now out of warranty""
Anonymous, SC (2019 Mercedes-Benz GLC GLC300 2.0-L 4 Cyl turbo)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.
"Starter motor would cause a jerk in the car when an indicator came on the dashboard. The problem was fixed for about $1800.00."
Anonymous A., CA (2019 Mercedes-Benz GLC GLC300 2.0-L 4 Cyl hybrid)Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
"The windshield reservoir had to be cleaned and flushed due to dirt debris."
Anonymous A., CA (2019 Mercedes-Benz GLC GLC300 2.0-L 4 Cyl hybrid)Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
""The check engine light came on. It was a problem with the fuel regulator and pressure sensor. The proper amount of fuel was not getting to the engine. It was a software problem that had to be updated, corrected, twice, and the sensor had to be replaced.""
Anonymous, LA (2019 Mercedes-Benz GLC GLC300 2.0-L 4 Cyl turbo)Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
"Hatched leaked around taillights into lense and interior"
Anonymous A., CA (2019 Mercedes-Benz GLC GLC300 2.0-L 4 Cyl turbo)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.
"had to replace a front strut under warranty"
Anonymous, ME (2019 Mercedes-Benz GLC GLC300 2.0-L 4 Cyl turbo)Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
""Crank case vent valve actuator faulty. Engine light on numerous times. Bought tester to turn it off after being turned off at service. All of the 2l turbo 4's have this problem, I understand, and MB issued an extended warranty for Emission controls, in August 25, 2023 to cover these problems in many models and engines. Dealer well aware of it. Estimate to fix: $2,53.10 incl wheel alignment. All on warranty. No cost to me.""
Anonymous, ON (2019 Mercedes-Benz GLC GLC300 2.0-L 4 Cyl turbo)AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
""The car is on the 3rd A/C compressor and I was notified by MB that this was an issue for the GLC350e plug-in hybrid. The letter stated any work done for these issues by the dealer would be reimbursed in a timely manner. It took 3 months to get a refund but the A/C works, at least for now.""
Anonymous A., CA (2019 Mercedes-Benz GLC GLC300 2.0-L 4 Cyl hybrid)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.
"Have to repair fuel door mechanism 3 times"
Anonymous A., CA (2019 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.
Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
Transmission rebuild or replacement, torque converter, premature clutch replacement.
Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
""The 12V battery has had to be replaced twice in 2 years, at $500 each, even though it has set idle for 7.5 of the last 24 months.""
Anonymous, CO (2019 Mercedes-Benz GLC GLC300 2.0-L 4 Cyl hybrid)