2021 Mercedes-Benz G 2.9L Diesel · MK54 DER
2021 Mercedes-Benz G (2.9L, diesel). First registered 14 Jan 2021. Recorded mileage 91,896 miles. MOT valid until 28 Jan 2027.
- Make & Model
- MERCEDES-BENZ G
- Year / Origin
- 2021 · Manchester & Merseyside
- Safety Recall
- Unknown
- MOT Status
- Valid until 28 Jan 2027
- Road Tax
- —
- Recorded Mileage
- 91,896 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6 Diesel)
- Fuel & Engine
- Diesel · 2.9L
- Reliability Guide
- Common Faults
Thinking of buying this vehicle? Free MOT and tax checks do not cover legal ownership. If outstanding finance exists, finance companies have legal right to repossess without compensation.
MK54 DER Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 29/01/2026
- 91,896 miles recorded at latest MOT
- 2 historical MOT failures
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
MK54 DER 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 G (MK54 DER) between January 2024 and January 2026.
The record contains 3 passes and 2 failures.
The most recent test on 29 January 2026 was a pass, although the earlier record includes 2 failures that buyers may want to investigate.
MK54 DER Mileage History
- 17/01/202457,523 mi
- 24/01/202457,979 mi+456 mi
- 17/01/202579,178 mi+21,199 mi
- 27/01/202580,165 mi+987 mi
- 29/01/202691,896 mi+11,731 mi
Average of roughly 16,901 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
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Known faults for Mercedes-Benz Mercedes-Benz GLA (H247)
Our database tracks 4 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
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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Digital Service History
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MERCEDES-BENZ G Model Intelligence & Reliability
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Owner-reported defects, recurring MOT failure points, and estimated repair costs.
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Historical MOT pass rates and DVLA records for 2021 model year cars.
- Cylinder Head / Exhaust Valve WearSerious
On GLA 250 models fitted with the M260 2.0-litre turbocharged four-cylinder petrol engine, premature wear can develop on the exhaust valve guides and exhaust valve seat rings due to excessive lateral forces. As the valve seats and guides degrade, the combustion chambers lose compression, triggering cylinder misfire fault codes (such as P030085, P030185, or P030285), rough idling, and engine warning lamps. Mercedes-Benz issued technical bulletin LI01.30-P-072328 confirming that valve seats cannot be remachined in service, requiring a complete cylinder head replacement costing £1,500 to £3,000 out of warranty.
- Front Suspension Lower Ball Joint Creak & PlayModerate
On UK speed bumps and potholed surfaces, the front lower wishbone ball joints and anti-roll bar drop links can develop premature axial play, causing noticeable groaning and creaking during steering maneuvers.
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