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 2003 Mercedes-Benz Clk Diesel 2685cc has had 28 MOT tests on record, passing 19 and failing 9 (68% pass rate). It has 103,699 miles on the clock, averaging 1,372 miles per year, well below the UK average of 7,400.
MOT & Mileage History for WM53 ONX
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Low mileage| Latest reading | 103,699 miles |
| Reading date | |
| Miles last year | 1,667 |
| Average per year | 1,372 |
| Mileage consistency | Variable |
Check WM53 ONX
- Write-off & insurance claims Experian
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- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 28 tests on record
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Vehicle Details
| Registration | WM53 ONX |
| Make | Mercedes-Benz |
| Model | Clk |
| Colour | Blue |
| Fuel type | Diesel |
| Engine | 2685cc |
| Year | 2003 |
| First registered | |
| Area code | WM — Bristol, West of England |
| Age identifier | 53 — September 2003 to February 2004 |
More WM53 O plates
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About WM53 ONX
What car is WM53 ONX?
WM53 ONX is a blue Mercedes-Benz Clk, diesel (2685cc). First registered in Bristol in 2003.
What is the mileage of WM53 ONX?
The last recorded mileage for WM53 ONX was 103,699 miles, recorded on 11 Apr 2025 during its most recent MOT test.
Has WM53 ONX passed its MOT?
WM53 ONX has had 28 MOT tests with a 68% pass rate (19 passes, 9 failures). It last passed on 11 Apr 2025.
Is WM53 ONX ULEZ compliant?
Based on its fuel type and registration year, WM53 ONX is likely not ULEZ compliant. As a diesel vehicle registered in 2003, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is WM53 ONX?
WM53 ONX is approximately 23 years old. Age identifier 53 means registered between 1 September 2003 and 28 February 2004.