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 2001 Mercedes-Benz A-Class Diesel 1689cc has had 13 MOT tests on record, passing 8 and failing 5 (62% pass rate). It has 149,931 miles on the clock, averaging 13,618 miles per year, above the UK average of 7,400.
MOT & Mileage History for HN51 BYF
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
Above average| Latest reading | 149,931 miles |
| Reading date | |
| Miles last year | 182 |
| Average per year | 13,618 |
| Mileage consistency | Consistent |
Check HN51 BYF
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- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 13 tests on record
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Vehicle Details
| Registration | HN51 BYF |
| Make | Mercedes-Benz |
| Model | A-Class |
| Colour | Blue |
| Fuel type | Diesel |
| Engine | 1689cc |
| Year | 2001 |
| First registered | |
| Area code | HN — Portsmouth, Hampshire and Dorset |
| Age identifier | 51 — September 2001 to February 2002 |
More HN51 B plates
Browse all HN51 B registrations from Portsmouth.
About HN51 BYF
What car is HN51 BYF?
HN51 BYF is an blue Mercedes-Benz A-Class, diesel (1689cc). First registered in Portsmouth in 2001.
What is the mileage of HN51 BYF?
The last recorded mileage for HN51 BYF was 149,931 miles, recorded on 29 Aug 2013 during its most recent MOT test.
Has HN51 BYF passed its MOT?
HN51 BYF has had 13 MOT tests with a 62% pass rate (8 passes, 5 failures). It last passed on 29 Aug 2013.
Is HN51 BYF ULEZ compliant?
Based on its fuel type and registration year, HN51 BYF is likely not ULEZ compliant. As a diesel vehicle registered in 2001, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is HN51 BYF?
HN51 BYF is approximately 25 years old. Age identifier 51 means registered between 1 September 2001 and 28 February 2002.