2003 Mercedes-Benz S-Class 5.4L Petrol · MX03 RRU
2003 Mercedes-Benz S-Class (5.4L, petrol). First registered 21 Mar 2003. Recorded mileage 33,242 miles. MOT expired on 20 Sept 2023.
- Make & Model
- MERCEDES-BENZ S-Class
- Year / Origin
- 2003 · Manchester & Merseyside
- Safety Recall
- Unknown
- MOT Status
- Expired on 20 Sept 2023
- Road Tax
- —
- Recorded Mileage
- 33,242 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 5.4L
- 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.
MX03 RRU Key Findings
- 1 MOT test recorded
- Latest MOT passed on 21/09/2022
- 33,242 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.
MX03 RRU MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
1 MOT test are recorded for this 2003 Mercedes-Benz S-Class (MX03 RRU) between September 2022 and September 2022.
The record contains 1 pass and 0 failures.
The record shows no MOT failures, although 0 advisory notices note items to monitor.
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: 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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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 2003 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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