1998 Mercedes-Benz S-Class 6.0L Petrol · R551 ENS
1998 Mercedes-Benz S-Class (6.0L, petrol). First registered 18 Mar 1998. Recorded mileage 137,295 miles. MOT valid until 06 May 2027.
- Make & Model
- MERCEDES-BENZ S-Class
- Year / Origin
- 1998 · Reading
- Safety Recall
- Unknown
- MOT Status
- Valid until 06 May 2027
- Road Tax
- —
- Recorded Mileage
- 137,295 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 6.0L
- 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.
R551 ENS Key Findings
- 2 MOT tests recorded
- Latest MOT passed on 08/05/2026
- 137,295 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.
R551 ENS MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
2 MOT tests are recorded for this 1998 Mercedes-Benz S-Class (R551 ENS) between September 2024 and May 2026.
The record contains 2 passes and 0 failures.
No failures or advisories appear anywhere in the recorded tests, so the documented MOT record is relatively clean.
R551 ENS Mileage History
- 02/09/2024132,761 mi
- 08/05/2026137,295 mi+4,534 mi
Average of roughly 2,702 miles per year across 2 recorded odometer readings.
Technical Specifications
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Known faults for Mercedes-Benz Mercedes-Benz S-Class (W220)
Our database tracks 3 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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MERCEDES-BENZ S-Class 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 1998 model year cars.
- Biodegradable wiring harness insulationSerious
Mercedes used a soy-based wiring insulation that degrades over time, exposing bare wires and causing short circuits, random warning lights and potential fire risk. Engine bay harnesses are worst affected.
- Airmatic suspension collapseSerious
The air springs and compressor degrade with age. Cars sag overnight, ride poorly and the compressor eventually burns out if leaks are ignored.
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