2021 Mercedes-Benz GLS 400 AMG Line Prem D 4MAT A 2.9L Diesel · X6 RNN
2021 Mercedes-Benz GLS 400 AMG Line Prem D 4MAT A (2.9L, diesel). First registered 30 Jan 2021. Recorded mileage 34,326 miles. MOT valid until 12 Apr 2027.
- Make & Model
- MERCEDES-BENZ GLS 400 AMG LINE PREM D 4MAT A
- Year / Origin
- 2021 · Export Allocation
- Safety Recall
- Unknown
- MOT Status
- Valid until 12 Apr 2027
- Road Tax
- —
- Recorded Mileage
- 34,326 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6 Diesel)
- Fuel & Engine
- Diesel · 2.9L
- Reliability Guide
- Common Faults
X6 RNN Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 14/04/2026
- 34,326 miles recorded at latest MOT
- 1 historical MOT failure
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
MOT Roadworthiness: Good
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
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Technical Specifications
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X6 RNN Mileage History
- 16/01/202418,845 mi
- 19/01/202418,915 mi+70 mi
- 25/09/202425,363 mi+6,448 mi
- 09/09/202531,775 mi+6,412 mi
- 14/04/202634,326 mi+2,551 mi
Average of roughly 6,906 miles per year across 5 recorded odometer readings.
X6 RNN MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
5 MOT tests are recorded for this 2021 Mercedes-Benz Gls 400 Amg Line Prem D 4Mat A (X6 RNN) between January 2024 and April 2026.
The record contains 4 passes and 1 failure.
The most recent test on 14 April 2026 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Tyres (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 8 advisory notices are recorded. Advisories flag items that passed but may need attention before the next test; they are not evidence of how well the vehicle has been serviced.
Recorded failure items include: “Nearside Rear Outer Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))”.
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MERCEDES-BENZ GLS 400 AMG LINE PREM D 4MAT A Model Intelligence & Reliability
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