2021 Mercedes-Benz E 2.9L Diesel · X90 BAF
2021 Mercedes-Benz E (2.9L, diesel). First registered 01 Feb 2021. Recorded mileage 38,608 miles. MOT valid until 05 Aug 2027. Taxed until 01 Sept 2027.
- Make & Model
- MERCEDES-BENZ E
- Year / Origin
- 2021 · Export Allocation
- Safety Recall
- Unknown
- MOT Status
- Valid until 05 Aug 2027
- Road Tax
- Taxed (01 Sept 2027)
- Recorded Mileage
- 38,608 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6)
- 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.
X90 BAF Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 07/08/2026
- 38,608 miles recorded at latest MOT
- 2 historical MOT failures
- 2 defects noted at the latest MOT
- Recurring tyres items (3 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
X90 BAF 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 E (X90 BAF) between November 2024 and August 2026.
The record contains 3 passes and 2 failures.
The most recent test on 07 August 2026 was a pass, although the earlier record includes 2 failures that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Tyres (3 issues), Windscreen (2 issues), Brakes (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 4 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 Front Road wheel fractured (5.2.2 (a))”; “Front Brake pad(s) worn down to wear indicator (1.1.13 (a) (i))”.
X90 BAF Mileage History
- 26/11/202417,543 mi
- 29/09/202522,560 mi+5,017 mi
- 29/09/202522,560 mi
- 07/08/202638,605 mi+16,045 mi
- 07/08/202638,608 mi+3 mi
Average of roughly 12,427 miles per year across 5 recorded odometer readings.
Technical Specifications
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MOT Roadworthiness: Average
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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Buyer's Guide & Inspection Advisory
Expert automotive synthesis from historical MOT defect records and market benchmarks.
Our Verdict
Proceed with caution and a thorough mech
Given the recent MOT failure at 38,605 miles, your first priority should be to verify that the fractured nearside front road wheel and the worn brake pads have been replaced with high-quality parts. You should also check the condition of all four tyres, as the 2026 test highlighted significant wear and edge damage on the nearside front.
Ask the seller for evidence of the repairs carried out following the August 2026 failure. Because this is a large, heavy diesel executive car, ensure the suspension components and wheel bearings were inspected when the fractured wheel was addressed. Negotiate the price downwards if the recent repairs have not been fully completed or documented with receipts.
As a 2.9L diesel, this E-Class is designed for efficient long-distance cruising, though its larger engine size and weight will impact urban fuel economy. It meets Euro 6 standards, making it ULEZ and CAZ compliant for most UK cities.
Insurance groups for this model variant tend to be mid-to-high due to the engine capacity and vehicle value. Maintenance costs for Mercedes-Benz vehicles typically reflect the premium nature of the brand, particularly for tyres and braking systems, which have already appeared as failure points on this specific vehicle.
Specifically inspect the nearside front corner of the vehicle. The 2026 MOT failure recorded a fractured road wheel and a tyre worn close to the legal limit; ensure the replacement wheel is genuine and free of cracks. Check the brake pads and discs, as the previous test noted pads worn to the wear indicator.
Additionally, examine the condition of the windscreen wipers and all tyres for uneven wear or bulges, following the history of a tyre bulge failure in 2025 and wiper issues in 2026. Given the fractured wheel, it is also prudent to check for any signs of uneven tyre wear which could indicate alignment or suspension issues.
This 2021 Mercedes-Benz E-Class features a 2.9L diesel engine and has covered 38,608 miles as of August 2026. The MOT history shows a pattern of failures related to consumables, including tyres, brake pads, and wipers, as well as a more significant structural issue with a fractured road wheel in 2026. Although it had a clean MOT in 2025, the recent history suggests a period of deferred maintenance.
No aggregate reliability data is currently available for this specific Mercedes-Benz E-Class model variant.
Reviewed by the IsItAGoodCar editorial team — Verified automotive analysis synthesized from official vehicle registries.
Data Sources
DVSA
Official MOT test logs & failure reasons
DVLA
Tax, registration & powertrain specs
Experian
Finance, stolen markers & total loss
AI Analysis
Historical fault & advisory patterns
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