2018 Mercedes-Benz S-Class 2.9L Diesel · BA55 UKH
2018 Mercedes-Benz S-Class (2.9L, diesel). First registered 20 Dec 2018. Recorded mileage 48,019 miles. MOT expired on 13 Aug 2026.
- Make & Model
- MERCEDES-BENZ S-Class
- Year / Origin
- 2018 · Birmingham
- Safety Recall
- Unknown
- MOT Status
- Expired on 13 Aug 2026
- Road Tax
- —
- Recorded Mileage
- 48,019 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6 Diesel)
- Fuel & Engine
- Diesel · 2.9L
- Reliability Guide
- Common Faults
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BA55 UKH Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 19/07/2025
- 48,019 miles recorded at latest MOT
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
BA55 UKH 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 2018 Mercedes-Benz S-Class (BA55 UKH) between December 2021 and July 2025.
The record contains 5 passes and 0 failures.
No failures or advisories appear anywhere in the recorded tests, so the documented MOT record is relatively clean.
BA55 UKH Mileage History
- 10/12/202119,942 mi
- 20/07/202220,964 mi+1,022 mi
- 14/08/202339,014 mi+18,050 mi
- 22/07/202442,284 mi+3,270 mi
- 19/07/202548,019 mi+5,735 mi
Average of roughly 7,788 miles per year across 5 recorded odometer readings.
Technical Specifications
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Known faults for Mercedes-Benz Mercedes-Benz S-Class (W222)
Our database tracks 6 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
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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MERCEDES-BENZ S-Class Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
Browse production generations, registration statistics, and trim variants.
Historical MOT pass rates and DVLA records for 2018 model year cars.
- Airmatic Suspension FailureSerious
The AIRMATIC semi-active air suspension system features rubber air spring bellows that perish and leak over time, valve blocks that seize, and an electric air compressor that burns out from running continuously to compensate for pressure loss. Replacing struts and compressors carries substantial parts costs.
- NOX Sensor FailureModerate
Diesel variants (OM642 3.0-litre V6 in S 350 d and OM656 2.9-litre straight-six in facelift models) suffer widespread failure of the upstream and downstream nitrogen oxide (NOx) exhaust sensors. Moisture ingress and thermal shock damage internal sensor ceramics, causing engine warnings and non-start countdowns.
- Front Suspension Ball Joint and Control Arm WearModerate
Weighing over two tonnes, the W222 exerts tremendous load on its complex multi-link front suspension. Lower control arm compliance bushes, track control ball joints, and anti-roll bar drop links wear rapidly on UK roads, resulting in knocking over speed bumps and MOT failure.
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