The 2015 GLK-Class has about average reliability compared to other cars from the same model year.
The Reliability score is based on our latest subscriber survey of 2015 Mercedes-Benz GLK-Class owners. The owner comments describe problems respondents experienced with this vehicle.
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.
""Front end noise when going over bumps, replaced the tie rods with original.""
Anonymous, ON (2015 Mercedes-Benz GLK-Class GLK250 2.1-L 4 Cyl diesel)Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
"Coil issue. It was replaced and now I have the problem with another coil."
Anonymous A., (2015 Mercedes-Benz GLK-Class GLK350 3.5-L V6)"Power tilt wheel has stopped working."
Anonymous A., WA (2015 Mercedes-Benz GLK-Class GLK250 2.1-L 4 Cyl diesel)Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
"Complete failure of the emergency brake system due to corrosion."
Anonymous, NB (2015 Mercedes-Benz GLK-Class GLK250 2.1-L 4 Cyl diesel)"The parking brake continues to set itself. It has a very expensive to repair spring in the parking brake pedal that is failing."
Anonymous, CA (2015 Mercedes-Benz GLK-Class GLK250 2.1-L 4 Cyl diesel)Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
"drive was noisy and flex couplings wewe replaced"
Anonymous, FL (2015 Mercedes-Benz GLK-Class GLK350 3.5-L V6)"flex joints needed to be replaced"
Anonymous, FL (2015 Mercedes-Benz GLK-Class GLK350 3.5-L V6)Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
"Apparently this is a common problem that the fuel pump will crack and leak. It took a couple of tries to correct the problem but has since been resolved."
Anonymous A., CA (2015 Mercedes-Benz GLK-Class GLK350 3.5-L V6)Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
""Chipping started last year over door, then hood, etc. Within several months got worse. MERCEDES-BENZ dealer would do nothing as car older. Went to local paint shop, work done with $9000 cost. They had just finished another GLK 2015 same color, same problem.""
Anonymous, CA (2015 Mercedes-Benz GLK-Class GLK350 3.5-L V6)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.
"Stitching on the seats has ripped apart. Seat is not leather or leather trim."
Anonymous, MA (2015 Mercedes-Benz GLK-Class GLK250 3.5-L V6)Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
"Oil leaks were noted during scheduled maintenance. They charged me to fix and then I had oil leak issues. The dealer then fixed them again."
Anonymous, CO (2015 Mercedes-Benz GLK-Class GLK350 3.5-L V6)Transmission rebuild or replacement, torque converter, premature clutch replacement.
"The transmission wouldnt downshift under load. It was repaired then happened again less than 5,000 miles later."
Anonymous, CA (2015 Mercedes-Benz GLK-Class GLK250 2.1-L 4 Cyl diesel)Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
"I bought this vehicle specifically for the tech. Simple features like remote unlock no longer work because it was built using 2G cellular technology and Mercedes-Benz offered no upgrade pass or module swap for their GLK series customers when the carrier (maybe Verizon?) stopped supporting the network that they built into the hardware of the vehicle."
Anonymous A., VT (2015 Mercedes-Benz GLK-Class GLK250 2.1-L 4 Cyl diesel)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.
Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
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.
"Spring broke"
Anonymous, CT (2015 Mercedes-Benz GLK-Class GLK350 3.5-L V6)