Exhaust
Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
What Owners Say
"Battery replacement"
Anonymous, OK (2017 Mercedes-Benz GLC GLC300 3.0-L V6 turbo)Mercedes-Benz GLC
EPA MPG:
24 mpg
EPA MPG:
24 mpg
RECALL ALERT:
There are 12 recalls on this vehicle.
Learn More.
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Reliability
Overall Reliability
The 2017 GLC is less reliable than other cars from the same model year.
Most Common Trouble Spots
Common Trouble Spot
Common Trouble Spot
Owner Reported Trouble Spots
The Reliability score is based on our latest subscriber survey of 2017 Mercedes-Benz GLC owners. The owner comments describe problems respondents experienced with this vehicle.
Engine Major
Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
What Owners Say
"There was an oil and air leak around a turbocharger seal which resulted in some possible loss of power and efficiency although we noticed neither. Leak was obvious when shown to us on video from service tech."
Anonymous A., NC (2017 Mercedes-Benz GLC GLC300 2.0-L 4 Cyl turbo)Paint/Trim
Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
What Owners Say
"The soft gasket on the rear floor where the deck contacts came loose."
Anonymous, CA (2017 Mercedes-Benz GLC GLC300 2.0-L 4 Cyl turbo)Noises/Leaks
Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
What Owners Say
"Windshield wiper reservoir has a leak and empties within 1-2 days of filling"
Anonymous, TX (2017 Mercedes-Benz GLC GLC300 2.0-L 4 Cyl turbo)In-car Electronics
Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
Engine Minor
Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
Electrical Accessories
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.
Brakes
Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
Climate System
AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
Engine Electrical
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.
Body Hardware
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.
Transmission Major
Transmission rebuild or replacement, torque converter, premature clutch replacement.
Transmission Minor
Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
Suspension/Steering
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.
Drive System
Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
Engine Cooling
Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
Fuel System/Emissions
Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
2017 SUVs Reliability
This Car
0
100
Mercedes-Benz vs. Other New Car Brands Reliability
Overall Reliability Verdict
POTENTIAL TROUBLE SPOTS
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 for
about 380,000 vehicles, our reliability history charts give
you a rundown on how 2000 through 2025 vehicles are holding up in 20 potential
trouble spots, ranging from the engine, transmission, electric motor, EV charging, and brakes,
to power equipment and the electrical accessories.
Recalls
PROVIDED BY
STRUCTURE
Dec 15, 2023
A detached roof panel can become a road hazard, increasing the risk of a crash.
Summary:
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2014-2020 C-Class, CLA, GLA, S-Class, GLC, and GLE vehicles. Please refer to MBUSA's recall report for specific vehicle details. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair, allowing the front panel to detach from the vehicle.
What should you do:
Dealers will replace the front panel, free of charge. Owner notification letters were mailed on August 2, 2024. Owner notification letters will be mailed in phases, on, March 22,2024, and August 2, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of NHTSA recall number 21V-197.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
NHTSA CAMPAIGN ID Number:
23V854000
Potential Number of Units Affected:
2976
STRUCTURE
Mar 19, 2021
The adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detach from the vehicle and become a road hazard, increasing the risk of a crash.
Summary:
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2020 C300 Coupe, C43 Coupe AMG, C43 AMG, 2015-2020 C300, GLA250, 2016-2018 C350e, CLA45 Coupe AMG, 2015 C400, S65 AMG, 2015-2019 C63 AMG, 2016 C450, 2015-2016 GLA45 AMG, S600, 2016-2020 GLC300, 2017-2019 GLC43 AMG, GLE43 Coupe AMG, 2014-2019 CLA250 Coupe, 2014-2015 CLA45 AMG, 2018 GLC63 AMG, 2014-2017 S550, 2018-2020 S450, 2016-2019 GLE63 Coupe AMG, 2016 GLE450 Coupe, 2014-2020 S63 AMG, 2018-2019 S560, and 2019 GLC350e vehicles equipped with a panoramic sunroof. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair.
What should you do:
Mercedes-Benz dealer will remove the bonded panel and will install a new front panel by following the detailed repair instructions and using the approved primer, cleaner and adhesive, free of charge. Owner notification letters were mailed on September 3, 2021 and October 26, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA CAMPAIGN ID Number:
21V197000
Potential Number of Units Affected:
15096
COMMUNICATION
Feb 12, 2021
A disabled eCall system would prevent a vehicle occupant from contacting emergency services through the call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
Summary:
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2019 C300, E300, 2018-2020 CLA250, 2020 CLS450, AMG E53, AMG GT53, GLE450, 2018 AMG E63, AMG GTA, 2017-2020 GLA250, GLC300, 2019 GLC350, AMG GLC43, 2017-2018 GLE350, 2019 AMG GLC 43, GLC350, GLE400, 2017 GLS450, S550, C300 Cabrio, and 2018-2019 S560 vehicles. On June 18, 2021, an additional 9 vehicles were added, including certain 2021 GLA250, GLC300, 2018 S450, E400, and 2017 CLA250 vehicles. The communication module might have been inadvertently deactivated during a service visit, which could have disabled the Emergency Call (eCall) function.
What should you do:
MBUSA will notify owners, and dealers will inspect the communication module and activate it, if necessary, free of charge. The recall began March 31, 2021. Letters for the owners of the 9 additional vehicles were mailed July 9, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021030005.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA CAMPAIGN ID Number:
21V072000
Potential Number of Units Affected:
67
COMMUNICATION, ELECTRICAL SYSTEM
Feb 05, 2021
Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
Summary:
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. Please refer to the Part 573 report for specific vehicle model details. The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash.
What should you do:
MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA CAMPAIGN ID Number:
21V058000
Potential Number of Units Affected:
1292258
SEAT BELTS, STRUCTURE
Oct 01, 2018
If the rear seat passengers cannot fasten their seat belts, they have an increased risk of injury in the event of a crash.
Summary:
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2016-2018 Mercedes-Benz GLC300 and GLC300 4Matic, 2018 GLC350e and GLC63 AMG 4Matic and 2017-2018 GLC43 AMG 4Matic vehicles. The seat belt latch plates (the parts that insert into the buckles) for the outboard rear seats may retract into the interior paneling, preventing the occupants from being able to use the seat belts.
What should you do:
MBUSA will notify owners, and dealers will install felt strips between the C-pillar and rear side paneling, free of charge. The recall began November 2, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018100002.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA CAMPAIGN ID Number:
18V683000
Potential Number of Units Affected:
4702
SEAT BELTS, STRUCTURE
Mar 15, 2018
If the rear seat passengers cannot fasten their seat belts, they have an increased risk of injury in the event of a crash.
Summary:
Mercedes Benz USA LLC (MBUSA) is recalling certain 2017-2018 GLC43 AMG, 2016-2018 GLC300 4Matic, 2016-2018 GLC300, 2018 GLC63 AMG 4Matic, and 2018 GLC350e 4Matic vehicles. The seat belt latch plates (the parts that insert into the buckles) for the outboard rear seats may retract into the interior paneling, preventing the occupants from being able to use the seat belts.
What should you do:
MBUSA will notify owners, and dealers will install a buffer to the c-pillar paneling, free of charge. The recall is expected to begin May 14, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018030012.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA CAMPAIGN ID Number:
18V177000
Potential Number of Units Affected:
121858
EXTERIOR LIGHTING
Dec 18, 2017
An insufficiently illuminated roadway may increase the risk of a crash.
Summary:
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016-2017 GLC300, GLC300 4MATIC and GLC43 4MATIC vehicles. These vehicles may have misadjusted headlights, possibly resulting in the low beam headlights insufficiently illuminating the roadway. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."
What should you do:
MBUSA will notify owners, and dealers will inspect the headlamp adjustment, adjusting it as necessary, free of charge. The recall began on January 12, 2018. Owners may contact MBUSA customer service at 1-877-496-3691.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA CAMPAIGN ID Number:
17V819000
Potential Number of Units Affected:
8134
VISIBILITY
Nov 14, 2017
If the sun roof panels detach from the vehicle, it can increase the risk of a crash or injury for following traffic.
Summary:
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2018 GLC300, GLC300 4Matic, and GLC43 AMG vehicles. The fixed panoramic sun roof frontal and side plastic panels may have insufficient bonding, allowing the panels to separate during vehicle operation.
What should you do:
MBUSA will notify owners, and dealers will inspect the bonding on the sun roof panels, correcting it as necessary, free of charge. The recall is expected to begin December 2017. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2017110009.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA CAMPAIGN ID Number:
17V715000
Potential Number of Units Affected:
9379
AIR BAGS
Oct 06, 2017
If the driver air bag inadvertently deploys, it can increase the risk of injury and a crash.
Summary:
Mercedes-Benz USA, LLC. (MBUSA) is recalling these vehicles: 2014-2018 CLA250, CLA250 4Matic, CLA45 AMG 4Matic, 2015-2018 GLA250, GLA250 4Matic, GLA45 AMG 4Matic, C300 4Matic, C63S AMG, 2012-2014 C250, C350, C300 4Matic, E550 4Matic, 2013-2014 C63 AMG, 2012-2015 C250 Coupe, C350 Coupe, C63 AMG Coupe, 2013-2015 C350 4Matic Coupe, GLK250 4Matic BlueTec, GLK350, GLK350 4Matic, 2016-2017 C350e, C43 AMG, 2015 C400 4Matic, 2016-2018 C63 AMG, GLC300, GLC300 4Matic, 2017-2018 C300 Coupe, C300 4Matic Coupe, C43 AMG, C63 AMG Coupe, C63S AMG Coupe, C300 Cabriolet, C300 4Matic Cabriolet, C43 AMG Cabriolet, C63 AMG Cabriolet, C63S AMG Cabriolet, GLC300 4Matic Coupe, GLC43 AMG, GLC43 AMG Coupe, 2014 E350 Coupe, E350 4Matic Coupe, E350 Cabriolet, E400 Hybrid, 2015-2017 E400 Coupe, E400 4Matic Coupe, E400 Cabriolet, 2014-2017 E550 Coupe, E550 Cabriolet, B250e, 2014-2016 E250 BlueTec, E63 AMG 4Matic Wagon, 2012-2013 E350 BlueTec, 2012-2016 E350, E350 4Matic, 2015-2016 E400, E400 4Matic, 2012 E63 AMG, 2014-2015 E250 4Matic BlueTec, 2013-2016 E350 Wagon, 2017 GLC300d 4Matic, and 2018 GLC350e 4Matic. The driver's air bag may unexpectedly deploy due to insufficient grounding of the steering components if an electrostatic discharge occurs and the air bag clockspring is broken.
What should you do:
MBUSA will notify owners, and dealers will add sufficient grounding to the steering components, free of charge. The recall began in December 6, 2017. Owners may contact MBUSA customer service at 1-877-496-3691.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA CAMPAIGN ID Number:
17V627000
Potential Number of Units Affected:
495290
STEERING
Sep 19, 2017
The improperly welded pins may lose contact, deactivating the power steering assist and increasing the risk of a crash.
Summary:
Mercedes-Benz USA, LLC. (MBUSA) is recalling one 2017 C43 AMG, one E300 4Matic sedan, one GLC300, and one E43 AMG 4Matic sedan. These vehicles have electrical power steering control units with improperly welded contact pins.
What should you do:
MBUSA will notify owners, and dealers will replace the electric power steering rack, free of charge. The recall is expected to begin November 10, 2017. Owners may contact MBUSA customer service at 1-877-496-3691.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA CAMPAIGN ID Number:
17V574000
Potential Number of Units Affected:
4
SEAT BELTS
Apr 11, 2017
If the front seat seatbelt pretensioners do not function properly, the seat occupants may not be adequately restrained in the event of a crash, increasing the risk of injury.
Summary:
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 C300, C300 4Matic, C300 Coupe, C300 Coupe 4Matic, C43 AMG, C43 AMG Coupe, C43 AMG Cabrio, C63 AMG, C63 AMG Coupe, C63S AMG, C63S AMG Coupe, C63S Cabrio, GLC300, GLC300 4Matic, GLC43 AMG, S550, S550 4Matic, S550e, S600, S63 AMG 4Matic, S65, Mercedes-Maybach S550 4Matic, and Mercedes-Maybach S600 vehicles. The affected vehicles have front seat seatbelt pretensioners that may not function properly in the event of a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection," and 209, "Seat Belt Assemblies."
What should you do:
MBUSA will notify owners, and dealers will replace the front seat belts, free of charge. The recall began October 13, 2017. Owners may contact MBUSA customer service at 1-800-367-6372.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA CAMPAIGN ID Number:
17V251000
Potential Number of Units Affected:
12743
ELECTRICAL SYSTEM, ENGINE AND ENGINE COOLING
Feb 23, 2017
If the starting current limiter overheats, the surrounding components can melt, increasing the risk of a fire.
Summary:
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2015-2017 C300 4Matic, C300, CLA250, CLA250 4Matic and CLA45 AMG vehicles, 2017 C300 4Matic Cabrio, C300 4Matic Coupe, C300 Cabrio, C300 Coupe, E300, E300 4Matic, E400 4Matic Wagon, E43 AMG 4Matic, GLA250, GLA250 4Matic and GLC300 4Matic Coupe vehicles and 2016 C350e and GLC300 vehicles and 2016-2017 C450 4Matic AMG Sport and GLC300 4Matic vehicles. In the event that the engine or transmission cannot turn over, the starting current limiter may overheat from the repeated attempts of the starter motor attempting to start the vehicle.
What should you do:
MBUSA will notify owners, and dealers will install an additional fuse in the electrical line to the starter, free of charge. The recall began August 31, 2017. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2017080002.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA CAMPAIGN ID Number:
17V114000
Potential Number of Units Affected:
307629
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"Run flat tire problems"
Anonymous A., (2017 Mercedes-Benz GLC GLC300 2.0-L 4 Cyl turbo)