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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 M-Class owners. The owner comments describe problems respondents experienced with this vehicle.
Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
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.
"The seat leather split at the seams"
Anonymous, PA (2015 Mercedes-Benz M-Class ML250 BlueTec 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 starter module went bad and drained the battery continuously. MERCEDES-BENZ service misdiagnosed twice. Bad Service"
Anonymous A., CO (2015 Mercedes-Benz M-Class ML400 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.
"Needed spark plug replacement and transmission fluid , $1,000 worth"
Anonymous A., UT (2015 Mercedes-Benz M-Class ML350)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.
"Ignition Coils Failures on two cylinders, Ignition Coil wiring harness needed to also be replaced due to oil leaking into it."
Anonymous A., AZ (2015 Mercedes-Benz M-Class ML350 3.5-L V6)AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
"Expansion Valve failed and had to be replaced."
Anonymous, TX (2015 Mercedes-Benz M-Class ML350 3.5-L V6)Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
"head gasket started leaking oil and it was a $2000 job to replace the gasket"
Anonymous A., CT (2015 Mercedes-Benz M-Class ML350 3.5-L V6)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.
Muffler, pipes, catalytic converter, exhaust manifold, heat shields, 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.
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.
Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
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"top of the door handle on passenger side rusted and fell off. Poor design"
Anonymous A., CT (2015 Mercedes-Benz M-Class ML350 3.5-L V6)