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Reliability indicates how models have performed in the past, providing the basis for predicting how the vehicles will hold up in the year ahead. These charts provide the most comprehensive reliability information available to consumers. Based on information received from our latest subscriber survey, our reliability history charts give you a rundown on how used vehicles are holding up in 17 potential trouble spots, ranging from the engine, transmission, and brakes to power equipment and the electrical system.
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.
AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
"AC system doesn't drain properly and creates a very bad odor upon restarting vehicle."
Anonymous, CA (2015 Mercedes-Benz GLK-Class 3.5-L V6)Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
"Just typical scratches form other car doors"
Anonymous, MD (2015 Mercedes-Benz GLK-Class GLK250 3.5-L V6)"The pint started to bubble on the hood, then appeared to bubble in various locations on the exterior of the car."
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.
"Garage door hit the hatch, ,breaking the emblem and a deep scratch"
Anonymous, MD (2015 Mercedes-Benz GLK-Class GLK250 3.5-L V6)"The seat foam wore out making the seats less comfortable. There also was a tear. Not to surprising after 10 years and 126K miles"
Anonymous, MA (2015 Mercedes-Benz GLK-Class GLK250 2.1-L 4 Cyl diesel)Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
"Engine mount failed"
Anonymous A., CA (2015 Mercedes-Benz GLK-Class GLK350 3.5-L V6)"Water pump"
Anonymous, CT (2015 Mercedes-Benz GLK-Class GLK350 3.5-L V6)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.
"The car seat control on driver side sometimes freezes and wont react"
Anonymous A., MA (2015 Mercedes-Benz GLK-Class GLK350 3.5-L V6)"Somehow the key stopped working and would not start the car. It had to be towed to the dealer and a new key had to be purchased and paired with the vehicle. The vehicle was completely inoperable. The key would lock/unlock the vehicle, but would not allow the engine to be started. This happened approximately 6 months ago."
Anonymous, IL (2015 Mercedes-Benz GLK-Class GLK350 Unsure)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.
"Disappointed that the rear suspension coil spring broke with only 65000 kms on the vehicle."
Anonymous, AB (2015 Mercedes-Benz GLK-Class GLK250 2.1-L 4 Cyl diesel)"The tires seem to be wearing very fast for the amount of driving"
Anonymous A., MA (2015 Mercedes-Benz GLK-Class GLK350 3.5-L V6)Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
"The water pump had to be rebuilt. It was not operating properly and causing issues with the cooling system as well as other engine issues."
Anonymous, NC (2015 Mercedes-Benz GLK-Class GLK250 2.1-L 4 Cyl diesel)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.
"Easy to diagnose and fix at home with a scanner, replaced with an aftermarket part."
Anonymous, OH (2015 Mercedes-Benz GLK-Class GLK350 3.5-L V6)Transmission rebuild or replacement, torque converter, premature clutch replacement.
"I traded it in on the spot because I couldn't trust the vehicle."
Anonymous, CA (2015 Mercedes-Benz GLK-Class GLK350 3.5-L V6)Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
"Please check with the garage I use for more detailed answer than I can give."
Anonymous, VT (2015 Mercedes-Benz GLK-Class GLK350 3.5-L V6)Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
"This engine uses RTV instead of o-rings or gaskets for low pressure areas. Less reliable and more difficult to repair."
Anonymous, OH (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.
Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
"The blower motor started chirping after the 7th year we owned the vehicle. It got so loud this past year that it had to be replaced. Disappointing given it only had 65000 kms on it."
Anonymous, AB (2015 Mercedes-Benz GLK-Class GLK250 2.1-L 4 Cyl diesel)