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 2012 Mercedes-Benz B-Class Diesel 1796cc has had 14 MOT tests on record, passing 11 and failing 3 (79% pass rate). It has 115,426 miles on the clock, averaging 4,868 miles per year, well below the UK average of 7,400.
MOT & Mileage History for KN12 UNF
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
Low mileage| Latest reading | 115,426 miles |
| Reading date | |
| Miles last year | 4,840 |
| Average per year | 4,868 |
| Mileage consistency | Variable |
Check KN12 UNF
- 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 14 tests on record
Explore more about the Mercedes-Benz B-Class
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | KN12 UNF |
| Make | Mercedes-Benz |
| Model | B-Class |
| Colour | White |
| Fuel type | Diesel |
| Engine | 1796cc |
| Year | 2012 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 12 — March 2012 to August 2012 |
More KN12 U plates
Browse all KN12 U registrations from Luton.
About KN12 UNF
What car is KN12 UNF?
KN12 UNF is a white Mercedes-Benz B-Class, diesel (1796cc). First registered in Luton in 2012.
What is the mileage of KN12 UNF?
The last recorded mileage for KN12 UNF was 115,426 miles, recorded on 25 Jul 2025 during its most recent MOT test.
Has KN12 UNF passed its MOT?
KN12 UNF has had 14 MOT tests with a 79% pass rate (11 passes, 3 failures). It last passed on 25 Jul 2025.
Is KN12 UNF ULEZ compliant?
Based on its fuel type and registration year, KN12 UNF is likely not ULEZ compliant. As a diesel vehicle registered in 2012, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is KN12 UNF?
KN12 UNF is approximately 14 years old. Age identifier 12 means registered between 1 March 2012 and 31 August 2012.