2020 Mercedes-Benz AMG GLC63 Problems, Complaints & Recalls

Source: NHTSA · Updated Oct 13, 2023 · 2 owner complaints analyzed

Compared with other AMG GLC63 years
Not enough data 2nd of 4 for complaints
NHTSA crash rating
Not rated

Owners have filed 2 complaints with NHTSA about the 2020 Mercedes-Benz AMG GLC63. That ranks 2nd out of 4 AMG GLC63 model years for complaints. The most reported problem area is electrical system (1 complaints, 50%), typically at around 8,900 miles. There are 10 safety recalls covering this model year.

Complaints are unverified owner reports and are not adjusted for sales volume.

Compare with another car

Most common 2020 Mercedes-Benz AMG GLC63 problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Electrical System1 · ~8,900 mi
Power Train1 · ~24,000 mi
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Electrical System150%8,900——
Power Train150%24,000——

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2020, with 1 complaints
2020: 1202012023: 120231

n = 2 complaints · Source: NHTSA

2020 Mercedes-Benz AMG GLC63 recalls (10)

Tap a recall to see the problem, the risk and the fix.

Electrical system:software; communication: auto crash notificationMay 20, 2022 · NHTSA campaign 22V365000 · 242,722 vehicles

Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. An error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) system.

Risk: A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.

Fix: The communication module software will be updated through an Over-the-Air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers are for this recall is 2022060005 and 2023110006.

Back over prevention:display functionApr 8, 2022 · NHTSA campaign 22V232000 · 126,443 vehicles

Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018-2021 CLA-Class, GLE/GLS-Class, A-Class, C-Class, E-Class, E-Class Coupe/Convertible, GLA/GLB-Class, GLC-Class, and CLS-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The rearview camera may not display the rearview image due to a software error. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

Risk: An inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.

Fix: Dealers will update the rearview camera software, free of charge. Owner notification letters were mailed July 15, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022060007.

Air bags:sensor:side impactJul 12, 2021 · NHTSA campaign 21V527000 · 542 vehicles

Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 CLS450, AMG E53, AMG CLS53, E350, E450, AMG GT43, AMG GT53, 2020 S450, S560, G550, AMG GLC63, 2020-2021 GLC300, and AMG G63 vehicles. The side crash sensor connectors may come loose, which could delay the activation of air bags and seatbelts during a side impact crash.

Risk: Air bags and seatbelts that don't function as intended can increase the risk of injury during a crash.

Fix: Dealers will inspect and replace as necessary, the side impact crash sensors, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021070032/33.

Back over prevention: sensing system: camera; electrical system:softwareMay 14, 2021 · NHTSA campaign 21V354000 · 343,191 vehicles

Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 CLA-Class, GLE/GLS-Class, A-Class, E-Class, E-Class Coupe and Convertible, GLA/GLB-Class, GLC-Class, CLS-Class, and AMG GT-Class 4-door Coupe vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The MBUX multimedia system software may cause the display to remain black, or reboot after startup. This could result in the rearview camera image not displaying properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."

Risk: A backup camera that displays a blank image reduces the driver's rear view, increasing the risk of a crash or injury.

Fix: The multimedia system software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed beginning June 28, 2021. Owners may contact MBUSA customer service at 1-800-367-6373. MBUSA's number for this recall is 2021050012.

Communication: auto crash notification; electrical system:softwareFeb 5, 2021 · NHTSA campaign 21V058000 · 1,292,258 vehicles

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 assemblyDec 11, 2020 · NHTSA campaign 20V776000 · 2,563 vehicles

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.

Steering:electric power assist systemOct 23, 2020 · NHTSA campaign 20V651000 · 2,533 vehicles

Problem: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLC300, GLC350e, GLC43 AMG, and GLC63 AMG vehicles. The power steering control unit wiring harness may have been damaged during the production process, possibly resulting in a loss of power steering assist or an electrical short-circuit.

Risk: A loss of power steering assist can increase the risk of a crash. Additionally, If the wiring harness short-circuits, there is an increased risk of a fire.

Fix: MBUSA will notify owners, and dealers will inspect the wiring harness, and replace it if necessary, free of charge. The recall began December 11, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020110012.

Electronic stability control (esc); electrical system:softwareJul 6, 2020 · NHTSA campaign 20V395000 · 5,399 vehicles

Problem: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019-2020 C63 AMG, C63 AMG S, AMG GT 53, AMG GT 63, AMG GT 63 S, and 2020 GLC 63 AMG, GLC 63 AMG S vehicles. An incorrect Electronic Stability Program (ESP) software version may cause the ESP system to react inaccurately. On December 18, 2020, an additional 360 vehicles were added to the recall population.

Risk: If the ESP does not react properly to a driving situation, it may increase the risk of a crash.

Fix: MBUSA will notify owners, and dealers will update the ESP software, free of charge. The recall began August 28, 2020. Letters for the owners of the 360 additional vehicles were mailed January 15, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020080016.

Seats:mid/rear assemblyJun 5, 2020 · NHTSA campaign 20V328000 · 1,352 vehicles

Problem: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 E450, AMG E63S, GLC300, AMG GLC43, AMG GLC63, AMG GT53, and AMG GT63 vehicles equipped with rear seatbacks that can be electrically unlatched. The left-rear seatback latch may not be strong enough to withstand certain loads. If cargo were to strike the left-rear seatback, the latch may fail.

Risk: In the event of a crash, if the left-rear seatback latch fails, it can increase the risk of injury.

Fix: MBUSA will notify owners, and dealers will replace the left-rear seatback latch, free of charge. The recall began August 17, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020070004.

CommunicationFeb 7, 2020 · NHTSA campaign 20V068000 · 239 vehicles

Problem: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 C300 Cabrio, C300 Cabrio 4MATIC, C300 Coupe, C43 AMG Cabrio 4MATIC, C43 AMG Coupe 4MATIC, C63S AMG Cabrio, CLS53 AMG 4MATIC, E350, E350 4MATIC, E450 Cabrio, E450 Cabrio 4MATIC, E450 Coupe, E450 Coupe 4MATIC, E450 4MATIC, E53 AMG Cabrio 4MATIC, GLC300 Coupe 4MATIC, GLC300, GLC300 4MATIC, GLC63 AMG Coupe 4MATIC, AMG GT63 4-Door 4MATIC, and AMG GT63S 4-Door 4MATIC vehicles. An electrical circuit inside the Emergency Call System (eCall) communication module may be damaged, potentially relaying an inaccurate vehicle location.

Risk: An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.

Fix: MBUSA will notify owners, and dealers will replace the communication module, free of charge. The recall began April 14, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020030016.

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.

Recent owner reports

Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.

The contact owns a 2020 Mercedes-Benz GLC63. The contact stated that while his wife was driving at highway speeds, the vehicle inadvertently decelerated while the accelerator pedal was being depressed. The check engine warning light illuminated, and a message displayed on the instrument panel…

Power Train · received Oct 13, 2023 · NHTSA complaint 11549774

When using engine start/stop function, over the course of 3 days after picking up the car, when at a light, the car did not start back up.

Electrical System · received Nov 4, 2020 · NHTSA complaint 11373040

Other Mercedes-Benz AMG GLC63 years

← 2019 AMG GLC63 · 2021 AMG GLC63 →

YearComplaintsRecalls
2021 AMG GLC6326
2020210
2019 AMG GLC6338
2018 AMG GLC6317

See all Mercedes-Benz AMG GLC63 problems by year, every Mercedes-Benz model, or the Mercedes-Benz VIN decoder.

Similar Mercedes-Benz models

Embed this 2020 Mercedes-Benz AMG GLC63 badge on your site

Copy this code into your blog or forum post. It shows live complaint and recall counts and links back here.

Frequently asked questions

What are the most common problems with the 2020 Mercedes-Benz AMG GLC63?

Owners most often report electrical system, power train problems. The top one, electrical system, accounts for 1 complaint.

Was there a recall on the 2020 Mercedes-Benz AMG GLC63?

Yes, 10 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.

Was the 2020 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 2020 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.