# NHTSA Recall 21V909000 — Completion Reports
> **Improperly Tightened Electric Heater Ground Bolts** · Mercedes-Benz USA, LLC · Recalled 2022-01-07
## Latest status
- **Affected units:** 17
- **Remedied:** 17 (100%)
- **Unreachable owners:** 0
- **Removed from recall:** 0
- **Latest report:** 2024-01-20 (2023-4)
- **Quarters reported:** 8
## Quarterly progress
| Period | Affected | Remedied | Unreachable | Removed | Completion % | Reported |
|--------|----------|----------|-------------|---------|--------------|----------|
| 2022-1 | 17 | 13 | 0 | 0 | 76.47% | 2022-04-11 |
| 2022-2 | 17 | 15 | 0 | 0 | 88.24% | 2022-07-11 |
| 2022-3 | 17 | 17 | 0 | 0 | 100% | 2022-10-13 |
| 2022-4 | 17 | 17 | 0 | 0 | 100% | 2023-01-18 |
| 2023-1 | 17 | 17 | 0 | 0 | 100% | 2023-04-19 |
| 2023-2 | 17 | 17 | 0 | 0 | 100% | 2023-07-20 |
| 2023-3 | 17 | 17 | 0 | 0 | 100% | 2023-10-14 |
| 2023-4 | 17 | 17 | 0 | 0 | 100% | 2024-01-20 |
## Source
- [NHTSA recall page](https://www.nhtsa.gov/recalls?nhtsaId=21V909000)
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