2004 Mercedes-Benz S-Class 3.7L Petrol · RCG 5
2004 Mercedes-Benz S-Class (3.7L, petrol). First registered 28 Jan 2004. Recorded mileage 159,683 miles. MOT valid until 06 May 2027.
- Make & Model
- MERCEDES-BENZ S-Class
- Year / Origin
- 2004 · Reading
- Safety Recall
- Unknown
- MOT Status
- Valid until 06 May 2027
- Road Tax
- —
- Recorded Mileage
- 159,683 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 3.7L
- 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.
RCG 5 Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 02/05/2026
- 159,683 miles recorded at latest MOT
- 2 defects noted at the latest MOT
- Recurring brakes items (4 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
RCG 5 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 2004 Mercedes-Benz S-Class (RCG 5) between May 2022 and May 2026.
The record contains 5 passes and 0 failures.
The record shows no MOT failures, although 6 advisory notices note items to monitor.
Across all tests, the most frequently flagged areas are: Brakes (4 issues), Tyres (2 issues), Windscreen (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 6 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.
RCG 5 Mileage History
- 07/05/2022151,358 mi
- 29/04/2023153,979 mi+2,621 mi
- 04/05/2024157,156 mi+3,177 mi
- 03/05/2025158,665 mi+1,509 mi
- 02/05/2026159,683 mi+1,018 mi
Average of roughly 2,088 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 (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.
Verify lender finance agreements, insurance write-offs, police stolen registers, and mileage rollback.
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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 2004 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.
- SBC brake system failureSerious
The Sensotronic Brake Control unit can reach its cycle limit or fail, bringing brake warnings and a hard pedal. Replacement units are expensive and the system is complex.
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