2021 Mercedes-Benz AMG GLC43
Only 6 complaints on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 6 complaints on file — too few for a fair verdict. The data below is complete but unranked.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 2016 | 0 |
| 2017 | 4 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 0 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 0 |
KNOWN PROBLEM AREAS
Only 6 complaints on file for this model year -- too few to rank by share. Raw counts only, below.
2 of 6 total reports mention: engine.
Show complaint excerpts
At just 30,000 miles â less than half the mileage at which these failures are typically reported â my GLC 43 was found to have active oil leaks in multiple locations: 1.
NHTSA ODI report, 20260608
1 of 6 total reports mentions: tires.
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The contact owns a 2021 Mercedes-Benz GLC43 equipped with Continental Tires, Tire Line: Sport Contact, Tire Size: 255/40/ZR21, DOT Number: AFHDD76M.
NHTSA ODI report, 20230131
1 of 6 total reports mentions: power train.
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The engine-driven vacuum pump and turbocharger boost-control vacuum system malfunctioned. The vehicle developed insufficient vacuum to the boost-control system, resulting in a P0299 turbocharger underboost fault and reduced engine power.
NHTSA ODI report, 20260702
1 of 6 total reports mentions: exterior lighting.
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2021 Mercedes GLC 43 headlight is inoperable.
NHTSA ODI report, 20250926
1 of 6 total reports mentions: electrical system.
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Moisture began collecting inside the left headlight assembly, even though the housing should be sealed. Over time, the condensation increased and the front left turn signal failed.
NHTSA ODI report, 20260804
SAFETY TIMELINE
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.
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.
Campaign 21V058000 — check if this car was fixed
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.
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.
Campaign 21V230000 — check if this car was fixed
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.
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.
Campaign 21V354000 — check if this car was fixed
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.
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.
Campaign 22V261000 — check if this car was fixed
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.
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.
Campaign 22V365000 — check if this car was fixed
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.
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.
Campaign 23V445000 — check if this car was fixed
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.
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.
Campaign 24V070000 — check if this car was fixed
BUY-SMART CHECKLIST
2021 Mercedes-Benz AMG GLC43 — pre-purchase inspection
- Test/inspect for engine issues (2 reports on file for this year).
- Test/inspect for tires issues (1 reports on file for this year).
- Test/inspect for power train issues (1 reports on file for this year).
- Verify recall 21V058000 (communication, electrical system) has been completed.
- Verify recall 21V230000 (air bags, seat belts, seats) has been completed.
- Verify recall 21V354000 (back over prevention, electrical system) has been completed.
- Verify recall 22V261000 (exterior lighting) has been completed.
- Verify recall 22V365000 (communication, electrical system) has been completed.
- Verify recall 23V445000 (fuel system, gasoline) has been completed.
- Verify recall 24V070000 (exterior lighting) has been completed.
FAQ
Is the 2021 Mercedes-Benz AMG GLC43 reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2021 Mercedes-Benz AMG GLC43?
The most-reported component is engine, accounting for 33% of complaints on file.
How many recalls does the 2021 Mercedes-Benz AMG GLC43 have?
7 recalls on file for this model year.
Data updated 2026-09-16 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.