2018 Mercedes-Benz Amg GLC63: Recalls, Problems & MPG
Here are the deets on the 2018 Mercedes-Benz Amg GLC63: 7 recalls, 1 owner complaint and up to 18 mpg combined.
Recalls
7 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Seat belts, Body & structure Vehicle recall #18V177000 · 2018 · 121,858 vehicles
What's wrong: 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.
Why it matters: If the rear seat passengers cannot fasten their seat belts, they have an increased risk of injury in the event of a crash.
The fix: 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.
Seat belts, Body & structure Vehicle recall #18V683000 · 2018 · 4,702 vehicles
What's wrong: 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.
Why it matters: If the rear seat passengers cannot fasten their seat belts, they have an increased risk of injury in the event of a crash.
The fix: 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.
Airbags Vehicle recall #18V838000 · 2018 · 104,663 vehicles
What's wrong: The status of the passenger side air bag May not display correctly.
Why it matters: If the passenger air bag is incorrectly displayed as 'on' when it is not, a front seat passenger May be unaware that the air bag will not deploy in the event of a crash, increasing their risk of injury.
The fix: Mbusa will notify owners, and dealers will update the audio head unit software, free of charge. The recall began January 3, 2019.
Airbags Vehicle recall #18V905000 · 2018 · 809 vehicles
What's wrong: In the event of a crash, the frontal air bag May have a delayed deployment for certain unbelted front seat passengers. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (fmvss) number 208, "occupant crash protection."
Why it matters: A delay in the air bag deployment can increase the risk of injury.
The fix: Mbusa has notified owners, and dealers will update the air bag control unit software parameters, free of charge. The recall began March 1, 2019.
Electrical Vehicle recall #20V776000 · 2020 · 2,563 vehicles
What's wrong: The power supply cable on the starter might not have been installed correctly, possibly allowing the cable to chafe against the starter housing and short-circuit.
Why it matters: If the power supply cable short-circuits, it can result in a stall, increasing the risk of a crash. In addition, a short-circuit can increase the risk of a fire.
The fix: Mbusa will notify owners, and dealers will inspect the starter harness and power supply cable installation, and correct it as necessary, free of charge. The recall began March 18, 2021.
Communication, Electrical Vehicle recall #21V058000 · 2021 · 1,292,258 vehicles
What's wrong: 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.
Why it matters: Failure of the ecall system May result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
The fix: 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.
Body & structure Vehicle recall #21V197000 · 2021 · 15,096 vehicles
What's wrong: 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.
Why it matters: 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.
The fix: 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.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 1 injuries and 0 deaths were reported.
What owners describe
- Engine (1): no single recurring theme in the descriptions.
The 2018 Mercedes-Benz Amg GLC63 has 1 owner complaints, ranking #4 of 4 Amg GLC63 model years for complaints (well below the 2 average). Neighboring years: 2019 (3 complaints, 8 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 4.0 L 8-cyl turbo | Automatic 9-spd | 4-Wheel Drive | 16 | 22 | 18 | Premium |
| 4.0 L 8-cyl turbo | Automatic 9-spd | 4-Wheel Drive | 15 | 22 | 18 | Premium |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2018 Mercedes-Benz Amg GLC63.
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Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
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FAQ
Does the 2018 Mercedes-Benz Amg GLC63 have any recalls?
Yes. NHTSA lists 7 vehicle recalls for the 2018 Mercedes-Benz Amg GLC63. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2018 Mercedes-Benz Amg GLC63 problems?
Owners have filed 1 complaints with NHTSA. The most-reported areas are engine (1).
What gas mileage does the 2018 Mercedes-Benz Amg GLC63 get?
EPA ratings run up to 18 mpg combined (4.0 L, Automatic 9-spd), across 2 engine and transmission combos.
Where can I get a 2018 Mercedes-Benz Amg GLC63 repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.