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 2007 Mercedes-Benz Slk Petrol 1998cc has had 18 MOT tests on record, passing 14 and failing 4 (78% pass rate). It has 153,431 miles on the clock, averaging 10,648 miles per year, above the UK average of 7,400.
MOT & Mileage History for KN57 NJX
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Above average| Latest reading | 153,431 miles |
| Reading date | |
| Miles last year | 34,432 |
| Average per year | 10,648 |
| Mileage consistency | Variable |
Check KN57 NJX
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- Plate & colour change history
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- Service interval analysis
- Warranty work logged
Full MOT Test History 18 tests on record
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Vehicle Details
| Registration | KN57 NJX |
| Make | Mercedes-Benz |
| Model | Slk |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 1998cc |
| Year | 2007 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 57 — September 2007 to February 2008 |
More KN57 N plates
Browse all KN57 N registrations from Luton.
About KN57 NJX
What car is KN57 NJX?
KN57 NJX is a black Mercedes-Benz Slk, petrol (1998cc). First registered in Luton in 2007.
What is the mileage of KN57 NJX?
The last recorded mileage for KN57 NJX was 153,431 miles, recorded on 14 Sep 2022 during its most recent MOT test.
Has KN57 NJX passed its MOT?
KN57 NJX has had 18 MOT tests with a 78% pass rate (14 passes, 4 failures). It last passed on 14 Sep 2022.
Is KN57 NJX ULEZ compliant?
Based on its fuel type and registration year, KN57 NJX is likely ULEZ compliant. Petrol post-2005 (Euro 4). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is KN57 NJX?
KN57 NJX is approximately 19 years old. Age identifier 57 means registered between 1 September 2007 and 28 February 2008.