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 2021 Mercedes-Benz A Diesel 1950cc has had 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 34,086 miles on the clock, averaging 5,978 miles per year, below the UK average of 7,400.
MOT & Mileage History for KM21 BNB
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 | 34,086 miles |
| Reading date | |
| Average per year | 5,978 |
| Mileage consistency | Consistent |
Check KM21 BNB
- Write-off & insurance claims Experian
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- Plate & colour change history
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- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 4 tests on record
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Vehicle Details
| Registration | KM21 BNB |
| Make | Mercedes-Benz |
| Model | A |
| Colour | Silver |
| Fuel type | Diesel |
| Engine | 1950cc |
| Year | 2021 |
| First registered | |
| Area code | KM — Luton, Luton and Northampton |
| Age identifier | 21 — March 2021 to August 2021 |
More KM21 B plates
Browse all KM21 B registrations from Luton.
About KM21 BNB
What car is KM21 BNB?
KM21 BNB is a silver Mercedes-Benz A, diesel (1950cc). First registered in Luton in 2021.
What is the mileage of KM21 BNB?
The last recorded mileage for KM21 BNB was 34,086 miles, recorded on 6 May 2026 during its most recent MOT test.
Has KM21 BNB passed its MOT?
KM21 BNB has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 6 May 2026.
Is KM21 BNB ULEZ compliant?
Based on its fuel type and registration year, KM21 BNB 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 KM21 BNB?
KM21 BNB is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.