2021 Mercedes-Benz GLC VIN Check, Recalls & Reliability
The 2021 Mercedes-Benz GLC has good reliability. There are 9 recalls and 55 owner complaints on file for the 2021 Mercedes-Benz GLC. Severity signals include 1 crash-related complaint and 1 fire-related complaint. The most commonly reported problem areas are: Engine (21), Exterior Lighting (6), Electrical System (6).
GLC reliability snapshot
Data sourced from Auto Reliability Index, aggregating NHTSA recalls, owner complaints, and RepairPal repair-cost records.
Used-car research
Research the Mercedes-Benz GLC before checking the VIN
Compare model years, recurring problems, safety campaigns and market value first. Then use the VIN to verify the history of the individual car.
Most-reported 2021 Mercedes-Benz GLC issues
Owner-reported problem categories from NHTSA complaint filings. Counts reflect complaints per category for the most-recent model year on file.
- Engine21
- Exterior Lighting6
- Electrical System6
- Unknown Or Other5
- Fuel Propulsion System4
- Structure3
Pre-purchase inspection checklist for the 2021 Mercedes-Benz GLC
Hands-on checks distilled from real NHTSA complaint patterns and recall histories. Bring this list to a test drive or mechanic inspection.
- Inspect for engine misfires and check engine light
- Check for condensation in headlights and test for functionality
- Test vehicle for sudden loss of power or limp mode
- Verify fuel system for leaks or strong gasoline smell
- Inspect sunroof and rear window for signs of spontaneous breakage
- Check for excessive rust on the vehicle frame
- Test Distronic speed control for unexpected speed changes
2021 GLC recalls (9)
Every NHTSA safety recall logged against the 2021 GLC. A VIN check confirms whether any recall remains unrepaired on a specific vehicle.
- EXTERIOR LIGHTINGNHTSA 24V070000Feb 2, 2024
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2022 GLC 300, 2020 GLC 350e, and 2020-2022 AMG GLC 43 vehicles. The headlights may be incorrectly adjusted too high and create a glare for oncoming traffic. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Consequence: Incorrectly aimed headlights can reduce the visibility of oncoming traffic, increasing the risk of a crash.
Remedy
Dealers will inspect the headlight adjustment and correct it if necessary, free of charge. Owner notification letters were mailed February 23, 2024. Owners may contact MBUSA customer service at 1-800-367-6372.
- FUEL SYSTEM, GASOLINENHTSA 23V445000Jun 26, 2023
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 C-Class, E-Class, S-Class, CLS, SL, GT, GLC, GLE, GLS, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, which can result in a loss of drive power.
Consequence: A loss of drive power can increase the risk of a crash.
Remedy
Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 14, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023070012.
- ELECTRICAL SYSTEM, COMMUNICATIONNHTSA 22V365000May 20, 2022
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.
Consequence: 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.
- EXTERIOR LIGHTINGNHTSA 22V261000Apr 15, 2022
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 GLC 300, GLC 300 4Matic, AMG GLC 63 4Matic, AMG GLC 63 S 4Matic, and AMG GLC 43 4Matic vehicles. The electrical connection for the headlights may not be watertight, which can result in headlight failure.
Consequence: Headlight failure can decrease visibility for both the driver and surrounding traffic, increasing the risk of a crash.
Remedy
Dealers will inspect and replace the headlight sealing plugs, as necessary, free of charge. Owner notification letters were mailed June 3, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022050005.
- AIR BAGSNHTSA 21V527000Jul 12, 2021
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.
Consequence: 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.
- BACK OVER PREVENTION, ELECTRICAL SYSTEMNHTSA 21V354000May 14, 2021
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."
Consequence: 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.
- SEATS, AIR BAGS, SEAT BELTSNHTSA 21V230000Apr 1, 2021
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 C-Class, E-Class, E-Class Coupe and Convertible, GLC, CLS, AMG GT 4-door Coupe and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. A faulty electrical contact within the seat position switch may prevent the driver and passenger air bags and seat belt force limiters from properly activating during a crash.
Consequence: Air bags and seat belts that do not perform properly in a crash can increase the risk of injury.
Remedy
MBUSA will notify owners, and dealers will replace the seat position switches, free of charge. Owner letters were mailed May 21, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021040016.
- COMMUNICATIONNHTSA 21V072000Feb 12, 2021
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.
Consequence: 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.
Remedy
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.
- ELECTRICAL SYSTEM, COMMUNICATIONNHTSA 21V058000Feb 5, 2021
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.
Consequence: 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.
Used-market value
2021 Mercedes-Benz GLC resale snapshot
Listing benchmarks establish a market range; trim, mileage, condition, title history and prior damage determine what one vehicle is worth.
2021 Mercedes-Benz GLC on the road
51,805 2021 Mercedes-Benz GLC units were sold new in the US — a key signal for the size of today's used-market inventory.
How the 2021 Mercedes-Benz GLC stacks up against rivals
The most-shopped alternatives in the same segment. Each link opens a side-by-side reliability and cost comparison.
Reliability verdict for the 2021 Mercedes-Benz GLC
With a 72/100 score versus a 74/100 segment average, the 2021 Mercedes-Benz GLC lands slightly below typical reliability for its class. That places it in a mixed range: not an outlier, but also not matching the segment’s baseline consistency.
Complaints are not evenly spread. They cluster most heavily around the engine, while exterior lighting and the electrical system form a secondary tier of recurring themes. The remaining issues appear more scattered across other areas, suggesting a blend of concentrated and diffuse problem patterns rather than a single isolated weak spot.
Recall activity is elevated, which increases overall ownership uncertainty even this late in the generation cycle. Overall risk level: moderate, with above-normal exposure driven by recall volume and engine-weighted complaints.
What you get in a 2021 Mercedes-Benz GLC report
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2021 Mercedes-Benz GLC — Frequently asked questions
Is the 2021 Mercedes-Benz GLC reliable?
With a 72/100 score versus a 74/100 segment average, the 2021 Mercedes-Benz GLC lands slightly below typical reliability for its class. That places it in a mixed range: not an outlier, but also not matching the segment’s baseline consistency.
How many recalls does the 2021 Mercedes-Benz GLC have?
9 NHTSA safety recalls have been issued for the 2021 Mercedes-Benz GLC. A VIN check confirms whether any remain unrepaired on a specific vehicle.
What are the most common 2021 Mercedes-Benz GLC problems?
The most-reported 2021 Mercedes-Benz GLC problem areas are: Engine (21), Exterior Lighting (6), Electrical System (6).
Should I run a VIN check on a 2021 Mercedes-Benz GLC?
Yes. A VIN report verifies title brands, odometer history, accident records, and recall completion on a specific 2021 Mercedes-Benz GLC, complementing the model-year reliability data on this page.
