2020 Mercedes-Benz AMG GLC63 problems, complaints & recalls

Updated from NHTSA data · How we count

Owners have filed 2 complaints with NHTSA about the 2020 Mercedes-Benz AMG GLC63, most often about electrical system. There are 10 recalls for this model year.

Complaints
2
Recalls
10
Crashes
0
Fires
0
Injuries
0
Median mileage
16,450 mi
at time of problem

Key facts

  • Electrical System is the most-reported problem area, named in 1 of 2 complaints (50%).
  • Transmission & Drivetrain (1) and other areas follow.
  • Half of the complaints that list mileage happened before 16,450 mi.
  • The 2020 Mercedes-Benz AMG GLC63 has 10 recalls on file.
  • It ranks 3rd of 4 Mercedes-Benz AMG GLC63 model years by our severity-weighted complaint score (1st = worst).

2020 Mercedes-Benz AMG GLC63 problems by category

  • Electrical System
    1 complaints
  • Transmission & Drivetrain
    1 complaints

A complaint can mention more than one problem area, so categories add up to more than the total.

Most-reported components

Component (as filed with NHTSA)Complaints
Electrical system1
Power train1

When problems happen (mileage)

1Under 10k110k–30k30k–60k60k–100k100k–150k150k+
Mileage at the time of the problem, for 2020 Mercedes-Benz AMG GLC63 complaints that list mileage.

2020 Mercedes-Benz AMG GLC63 recalls (10)

  • Recall 22V365000May 20, 2022242,722 vehicles
    COMMUNICATION: AUTO CRASH NOTIFICATION · ELECTRICAL SYSTEM:SOFTWARE

    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.

    Remedy: 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.

  • Recall 22V232000Apr 8, 2022126,443 vehicles
    BACK OVER PREVENTION:DISPLAY FUNCTION

    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.

    Remedy: 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.

  • Recall 21V527000Jul 12, 2021542 vehicles
    AIR BAGS:SENSOR:SIDE IMPACT

    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.

    Remedy: 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.

  • Recall 21V354000May 14, 2021343,191 vehicles
    BACK OVER PREVENTION: SENSING SYSTEM: CAMERA · ELECTRICAL SYSTEM:SOFTWARE

    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.

    Remedy: 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.

  • Recall 21V058000Feb 5, 20211,292,258 vehicles
    COMMUNICATION: AUTO CRASH NOTIFICATION · ELECTRICAL SYSTEM:SOFTWARE

    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.

    Remedy: 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.

  • Recall 20V776000Dec 11, 20202,563 vehicles
    ELECTRICAL SYSTEM:STARTER ASSEMBLY

    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.

    Remedy: 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.

  • Recall 20V651000Oct 23, 20202,533 vehicles
    STEERING:ELECTRIC POWER ASSIST SYSTEM

    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.

    Remedy: 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.

  • Recall 20V395000Jul 6, 20205,399 vehicles
    ELECTRICAL SYSTEM:SOFTWARE · ELECTRONIC STABILITY CONTROL (ESC)

    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.

    Remedy: 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.

  • Recall 20V328000Jun 5, 20201,352 vehicles
    SEATS:MID/REAR ASSEMBLY

    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.

    Remedy: 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.

  • Recall 20V068000Feb 7, 2020239 vehicles
    COMMUNICATION

    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.

    Remedy: 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.

Recent 2020 Mercedes-Benz AMG GLC63 complaints

Excerpts of the newest owner complaints, lightly cleaned of personal details. Complaints are unverified owner reports.

  1. Filed Oct 13, 202324,000 miOKTransmission & Drivetrain
    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 stated that the “Transmission Needs to Cool, Stop and Pull Over Immediately”. The contact stated that the vehicle had locked in first gear and decelerated to approximately 55 MPH.…
    NHTSA complaint #11549774 · source
  2. Filed Nov 4, 20208,900 miNYElectrical System
    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.
    NHTSA complaint #11373040 · source

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Other 2020 Mercedes-Benz models

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data, as of Oct 10, 2026. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology