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 3 MOT tests on record, passing every one. It has 141,838 miles on the clock, averaging 17,555 miles per year, above the UK average of 7,400.
MOT & Mileage History for HN21 BTX
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 | 141,838 miles |
| Reading date | |
| Miles last year | 13,835 |
| Average per year | 17,555 |
| Mileage consistency | Consistent |
Check HN21 BTX
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
- Ownership changes Experian
- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 3 tests on record
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Vehicle Details
| Registration | HN21 BTX |
| Make | Mercedes-Benz |
| Model | A |
| Colour | Black |
| Fuel type | Diesel |
| Engine | 1950cc |
| Year | 2021 |
| First registered | |
| Area code | HN — Portsmouth, Hampshire and Dorset |
| Age identifier | 21 — March 2021 to August 2021 |
More HN21 B plates
Browse all HN21 B registrations from Portsmouth.
About HN21 BTX
What car is HN21 BTX?
HN21 BTX is an black Mercedes-Benz A, diesel (1950cc). First registered in Portsmouth in 2021.
What is the mileage of HN21 BTX?
The last recorded mileage for HN21 BTX was 141,838 miles, recorded on 2 Jun 2026 during its most recent MOT test.
Has HN21 BTX passed its MOT?
HN21 BTX has had 3 MOT tests with an 100% pass rate (3 passes, 0 failures). It last passed on 2 Jun 2026.
Is HN21 BTX ULEZ compliant?
Based on its fuel type and registration year, HN21 BTX 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 HN21 BTX?
HN21 BTX is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.