2018 Mercedes-Benz AMG GLC63 Problems, Complaints & Recalls
- Compared with other AMG GLC63 years
- Not enough data 4th of 4 for complaints
- Safety recalls
- 7 recalls: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 1 complaint with NHTSA about the 2018 Mercedes-Benz AMG GLC63. That ranks 4th out of 4 AMG GLC63 model years for complaints. The most reported problem area is engine (1 complaints, 100%), typically at around 12,000 miles. Complaints mention 1 injury. There are 7 safety recalls covering this model year. NHTSA has opened 2 defect investigations involving it.
- 1owner complaints
- 7safety recalls
- 2NHTSA investigations
- 0complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2018 Mercedes-Benz AMG GLC63 problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Engine | 1 | 100% | 12,000 | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
2018 Mercedes-Benz AMG GLC63 recalls (7)
Tap a recall to see the problem, the risk and the fix.
Structure:body:roof and pillars
Problem: 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.
Risk: 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.
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. Owners may contact MBUSA customer service at 1-800-367-6372.
Communication: auto crash notification; electrical system:software
Problem: 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.
Risk: Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
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. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.
Electrical system:starter assembly
Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018-2020 AMG GLC 63 4MATIC vehicles. 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.
Risk: 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.
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. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021010006.
Air bags:frontal:passenger side:inflator module
Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018-2019 Mercedes-Benz GLC63 AMG Coupe, GLC63S AMG Coupe, and GLC63 vehicles. 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."
Risk: A delay in the air bag deployment can increase the risk of injury.
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. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019020004.
Air bags:sensor:occupant classification
Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 C300 Cabriolet, C300 Coupe, C300 4Matic Cabriolet, C300, C300 4Matic Coupe, C300 4Matic, C43 AMG Cabriolet, C43 AMG Coupe, C63 S AMG Cabriolet, C350e Plug-In Hybrid, C63 AMG Cabriolet, C63 AMG Coupe, C63 S AMG Coupe, C63 AMG, C63 S AMG, 2018-2019 GLC300 4Matic Coupe, GLC300, GLC63 AMG Coupe, GLC300 4Matic, GLC350e Plug-In Hybrid, GLC43 AMG Coupe, GLC43 AMG, GLC63 S AMG Coupe, and GLC63 AMG vehicles equipped with Audio 20 head units and automatic child seat recognition. The status of the passenger side air bag may not display correctly.
Risk: 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.
Fix: MBUSA will notify owners, and dealers will update the audio head unit software, free of charge. The recall began January 3, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018120009.
Seat belts: rear/other:buckle assembly; structure:body:roof and pillars
Problem: 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.
Risk: If the rear seat passengers cannot fasten their seat belts, they have an increased risk of injury in the event of a crash.
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. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018100002.
Structure:body:roof and pillars; seat belts: rear/other:buckle assembly
Problem: 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.
Risk: If the rear seat passengers cannot fasten their seat belts, they have an increased risk of injury in the event of a crash.
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. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018030012.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
NHTSA defect investigations
- Desiccated Air Bag Inflator Rupture (EA21002) — opened Sep 17, 2021, still open.
- Front Roof Panel Detachment (PE21001) — opened Jan 8, 2021, closed Oct 14, 2021, led to recall 21V197000.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
I purchased this car in 08/2018 with 900miles certified pre own. I have taken it to dealer 4 separate occasions for engine light. Each time they have kept it for over 2 wks. This last time the engine light went on in may 2020. We were on freeway going about 70mph when the engine went on and the car…
Other Mercedes-Benz AMG GLC63 years
| Year | Complaints | Recalls |
|---|---|---|
| 2021 AMG GLC63 | 2 | 6 |
| 2020 AMG GLC63 | 2 | 10 |
| 2019 AMG GLC63 | 3 | 8 |
| 2018 | 1 | 7 |
See all Mercedes-Benz AMG GLC63 problems by year, every Mercedes-Benz model, or the Mercedes-Benz VIN decoder.
Similar Mercedes-Benz models
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Frequently asked questions
What are the most common problems with the 2018 Mercedes-Benz AMG GLC63?
Owners most often report engine problems. The top one, engine, accounts for 1 complaint.
Was there a recall on the 2018 Mercedes-Benz AMG GLC63?
Yes, 7 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2018 Mercedes-Benz AMG GLC63 a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other AMG GLC63 model years, the 2018 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.