2018 Mercedes-Benz CLS 2.9L Diesel · RG61 LLS
2018 Mercedes-Benz CLS (2.9L, diesel). First registered 01 Sept 2018. Recorded mileage 62,858 miles. MOT valid until 17 Jul 2027. Taxed until 01 Jul 2027.
- Make & Model
- MERCEDES-BENZ CLS
- Year / Origin
- 2018 · Reading
- Safety Recall
- Unknown
- MOT Status
- Valid until 17 Jul 2027
- Road Tax
- Taxed (01 Jul 2027)
- Recorded Mileage
- 62,858 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.
RG61 LLS Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 13/07/2026
- 62,858 miles recorded at latest MOT
- 2 historical MOT failures
- 1 defect noted at the latest MOT
- Recurring suspension items (2 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
RG61 LLS 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 Cls (RG61 LLS) between July 2024 and July 2026.
The record contains 3 passes and 2 failures.
The most recent test on 13 July 2026 was a pass, although the earlier record includes 2 failures that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Suspension (2 issues), Tyres (2 issues), Lighting (2 issues). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 4 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.
Recorded failure items include: “Rear Registration plate does not conform to the specified requirements (0.1 (d))”; “Front Registration plate does not conform to the specified requirements (0.1 (d))”; “Offside Front Outer Suspension arm ball joint excessively worn (5.3.4 (a) (i))”.
RG61 LLS Mileage History
- 15/07/202443,501 mi
- 15/07/202443,501 mi
- 15/07/202554,293 mi+10,792 mi
- 07/07/202662,589 mi+8,296 mi
- 13/07/202662,858 mi+269 mi
Average of roughly 9,711 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 CLS (C218)
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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Digital Service History
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MERCEDES-BENZ CLS 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.
- NOx sensor and AdBlue system faultsModerate
BlueTEC diesel models regularly trigger engine lights, limp mode or no-restart countdowns when NOx sensors or AdBlue heaters fail.
- Airmatic air suspension leaksSerious
Air springs leak and compressors wear out, causing the car to sag on one corner and throw suspension warnings.
- 7G-Tronic conductor plate failureModerate
The 7-speed automatic gearbox conductor plate can fail, causing harsh shifts, limp mode and gear reading errors.
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