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We expect the 2025 C-Class to have about average reliability when compared to other new cars. This prediction is based on the Mercedes-Benz brand score and limited data from the C-Class.
The Reliability score is based on our latest subscriber survey of 2018 Mercedes-Benz C-Class owners. The owner comments describe problems respondents experienced with this vehicle.
Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
"Excessive cost for routine maintenance"
Anonymous, FL (2018 Mercedes-Benz C-Class C300 2.0-L 4 Cyl turbo)Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
"Air is coming in around the window seal"
Anonymous, GA (2018 Mercedes-Benz C-Class C300)Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
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.
Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
Transmission rebuild or replacement, torque converter, premature clutch replacement.
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.
Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
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.
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.
Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
Mercedes-Benz C-C...
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"The panaramma sun roof exploded. MERCEDES-BENZ refused to cover under warranty so I had to make claim under auto insurance policy. The part was out of stock in US and in Germany and it took 4 months to obtain part and make repair. This is a chronic problem and is the subject of a federal lawsuit. MERCEDES-BENZ refusal to stand behind their product is disappointing and at odds with their marketing which portrays them as a luxury brand with engineering excellence. After owning 4 MERCEDES-BENZ autos I will never buy another car from them. Also they run a scam with their prepaid extended warranty and prepaid service. They don't publicize that these are use it or lose it programs. For example, I had prepaid for service on the 2018 C-Class. Because it was out of service with the broken sunroof, I didn't have the opportunity to perform scheduled maintenance. When the sunroof was repaired and I tried to redeem my prepaid service, I was denied reimbursement because the contractual time period for performing the service had passed. Also, last year when my 2018 E-Class was totalled in an accident, they refused to return the pro-rata portion of my extended warranty premium and or any of my prepaid service payments, claiming they had no contractual obligation to do so. This is not behavior or a so-called luxury car company,"
Anonymous, CT (2018 Mercedes-Benz C-Class C300 2.0-L 4 Cyl turbo)