2021 Mercedes-Benz AMG GT problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
2 owner complaints analyzed
2 distinct recall campaigns
Not available median reported failure mileage
Scope: 2021 model year. Data snapshot: . 0 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Electrical System is the most frequently named component, appearing in 1 of 2 complaints (50.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Transmission and shifting | 1 | 50.0% |
| Braking behavior | 1 | 50.0% |
| Electrical and battery issues | 1 | 50.0% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Electrical System | 1 |
| Power Train | 1 |
| Unknown Or Other | 1 |
Electrical System: 1; Power Train: 1; Unknown Or Other: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
No usable failure mileage is recorded. 2 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2025 | 1 |
| 2026 | 1 |
2025: 1; 2026: 1
Pattern summary
Electrical System leads the component reports. Transmission and shifting appears in 1 complaint narratives. Braking behavior appears in 1 complaint narratives. Electrical and battery issues appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11739859 · 2026-05-25 (May 25, 2026)
My 2021 Mercedes-Benz AMG GT 43, VIN [XXX] , has had a recurring safety issue with the transmission wiring harness and connector X279. Mercedes-Benz said this connector can let water in, which can cause a short circuit, overheating, and a fire risk while the car is parked and off. That is why the vehicle was covered by recall 24V445 / MBUSA Campaign 2024100002. This same issue was already addressed once before in January 2023 under MBUSA Campaign 2022080010 / NHTSA 22V-533, when the connector was checked and reworked and a bracket was installed…
Owner-reported narrative. Look up ODI 11739859 at NHTSA ↗
Owner report 11660293 · 2025-05-11 (May 11, 2025)
AVAILABLE FOR INSPECTION UPON REQUEST ISSUE WAS REPRODUCED AT DEALESHIP. ISSUE IS EASY TO IDENTIFY. VEHICULE WAS INSPECTED BY DEALERSHIP, MANUFACTURER IS AWARE. FAULT LIGHT ON DASHBOARD SHOW A FAULT ICON THE 2021 AMG GT BLACKSERIES HAVE AN ACTIVE REAR WING. A PART OF THE ACTIVE REAR WING IS ACTIVE BUT HAS A HIGH FAILURE WHICH AT SOME SPEEDS CAN BE DANGEROUS BECAUSE THE ACTIVE PART IS NOT WORKING AND DO NOT PROVIDE THE DOWNFORCE THAT IT SHOULD BECAUSE OF THE ACTATOR FAILURES. THERE ARE A HIGH NUMBERS OF REPLACEMENT REQUESTED THROUGHT THE MERCEDE…
Owner-reported narrative. Look up ODI 11660293 at NHTSA ↗