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
- 6
- Recalls
- 7
- Investigations
- 0
- Top problem
- —
Too few to rank
Campaigns on file for 2021
None on file
Not enough data
Complaints per year
2021: 6 complaints
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 | 2 |
| 2026 | 0 |
Known problem areas
Only 6 complaints on file for this model year — too few to rank by share. Raw counts only, below.
Engine
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, 2026-06-08
Tires
1 of 6 total reports mentions: tires.
Show complaint excerpts
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, 2023-01-31
Power train
1 of 6 total reports mentions: power train.
Show complaint excerpts
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, 2026-07-02
Exterior lighting
1 of 6 total reports mentions: exterior lighting.
Show complaint excerpts
2021 Mercedes GLC 43 headlight is inoperable.
NHTSA ODI report, 2025-09-26
Electrical system
1 of 6 total reports mentions: electrical system.
Show complaint excerpts
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, 2026-08-04
Safety timeline
7 recalls · 0 investigations · oldest first
To check one car, enter its VIN on the NHTSA recall page. Check a VIN →
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2021-03-12Communication, electrical system21V058000 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.
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2021-05-21Air bags, seat belts, seats21V230000 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.
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2021-06-28Back over prevention, electrical system21V354000 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.
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2022-06-03Exterior lighting22V261000 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.
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2022-07-08Communication, electrical system22V365000 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.
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2023-09-29Fuel system, gasoline23V445000 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.
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2024-02-23Exterior lighting24V070000 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.
Buy-smart checklist
2021 Mercedes-Benz AMG GLC43 — pre-purchase inspection
Inspect
- Engine: 2 reports on file for this year.
- Tires: 1 report on file for this year.
- Power train: 1 report on file for this year.
Verify these recalls were completed
- Recall 21V058000 · Communication, electrical system
- Recall 21V230000 · Air bags, seat belts, seats
- Recall 21V354000 · Back over prevention, electrical system
- Recall 22V261000 · Exterior lighting
- Recall 22V365000 · Communication, electrical system
- Recall 23V445000 · Fuel system, gasoline
- Recall 24V070000 · Exterior lighting
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 2026-11-01 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.