Vehicle summary
ULEZ status is estimated based on fuel type and registration year. It may not reflect the actual emission standard of this vehicle. Check with TfL for a definitive answer.
At a glance
This 2017 Mercedes-Benz C Diesel 2143cc has had 8 MOT tests on record, passing 7 and failing once (88% pass rate). It has 59,635 miles on the clock, averaging 6,868 miles per year, below the UK average of 7,400.
MOT & Mileage History for ET66 MRX
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Below average| Latest reading | 59,635 miles |
| Reading date | |
| Miles last year | 7,378 |
| Average per year | 6,868 |
| Mileage consistency | Consistent |
Check ET66 MRX
- Write-off & insurance claims Experian
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- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 8 tests on record
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Vehicle Details
| Registration | ET66 MRX |
| Make | Mercedes-Benz |
| Model | C |
| Colour | White |
| Fuel type | Diesel |
| Engine | 2143cc |
| Year | 2017 |
| First registered | |
| Area code | ET — Chelmsford, Essex |
| Age identifier | 66 — September 2016 to February 2017 |
More ET66 M plates
Browse all ET66 M registrations from Chelmsford.
About ET66 MRX
What car is ET66 MRX?
ET66 MRX is an white Mercedes-Benz C, diesel (2143cc). First registered in Chelmsford in 2017.
What is the mileage of ET66 MRX?
The last recorded mileage for ET66 MRX was 59,635 miles, recorded on 26 Jan 2026 during its most recent MOT test.
Has ET66 MRX passed its MOT?
ET66 MRX has had 8 MOT tests with an 88% pass rate (7 passes, 1 failure). It last passed on 26 Jan 2026.
Is ET66 MRX ULEZ compliant?
Based on its fuel type and registration year, ET66 MRX is likely ULEZ compliant. Diesel post-2015 (Euro 6). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is ET66 MRX?
ET66 MRX is approximately 9 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.