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 Petrol 1598cc has had 16 MOT tests on record, passing 9 and failing 7 (56% pass rate). It has 96,144 miles on the clock, averaging 4,704 miles per year, well below the UK average of 7,400.
MOT & Mileage History for HN51 BYO
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 | 96,144 miles |
| Reading date | |
| Miles last year | 6,643 |
| Average per year | 4,704 |
| Mileage consistency | Consistent |
Check HN51 BYO
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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 16 tests on record
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Vehicle Details
| Registration | HN51 BYO |
| Make | Mercedes-Benz |
| Model | A-Class |
| Colour | Silver |
| Fuel type | Petrol |
| Engine | 1598cc |
| 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 BYO
What car is HN51 BYO?
HN51 BYO is an silver Mercedes-Benz A-Class, petrol (1598cc). First registered in Portsmouth in 2001.
What is the mileage of HN51 BYO?
The last recorded mileage for HN51 BYO was 96,144 miles, recorded on 7 Mar 2017 during its most recent MOT test.
Has HN51 BYO passed its MOT?
HN51 BYO has had 16 MOT tests with a 56% pass rate (9 passes, 7 failures). It last passed on 7 Mar 2017.
Is HN51 BYO ULEZ compliant?
Based on its fuel type and registration year, HN51 BYO is likely not ULEZ compliant. As a petrol vehicle registered in 2001, it typically does not meet the Euro 4 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is HN51 BYO?
HN51 BYO is approximately 25 years old. Age identifier 51 means registered between 1 September 2001 and 28 February 2002.