2018 Mercedes-Benz S-Class 2.9L Diesel · WA18 NWJ
2018 Mercedes-Benz S-Class (2.9L, diesel). First registered 16 Mar 2018. Recorded mileage 66,797 miles. MOT expired on 04 Sept 2026.
- Make & Model
- MERCEDES-BENZ S-Class
- Year / Origin
- 2018 · Exeter
- Safety Recall
- Unknown
- MOT Status
- Expired on 04 Sept 2026
- Road Tax
- —
- Recorded Mileage
- 66,797 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.
WA18 NWJ Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 05/09/2025
- 66,797 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.
WA18 NWJ 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 (WA18 NWJ) between February 2023 and September 2025.
The record contains 3 passes and 2 failures.
The most recent test on 05 September 2025 was a pass, although the earlier record includes 2 failures that buyers may want to investigate.
WA18 NWJ Mileage History
- 23/02/202343,886 mi
- 23/02/202343,886 mi
- 12/08/202448,606 mi+4,720 mi
- 10/07/202566,400 mi+17,794 mi
- 05/09/202566,797 mi+397 mi
Average of roughly 9,044 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 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: Below 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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Vehicle & Plate 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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