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 E 450 Amg Line Edition 4m A Petrol 2999cc has had 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 26,431 miles on the clock, averaging 5,017 miles per year, below the UK average of 7,400.
MOT & Mileage History for KN21 SBZ
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 | 26,431 miles |
| Reading date | |
| Average per year | 5,017 |
| Mileage consistency | Consistent |
Check KN21 SBZ
- Write-off & insurance claims Experian
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- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 4 tests on record
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Vehicle Details
| Registration | KN21 SBZ |
| Make | Mercedes-Benz |
| Model | E 450 Amg Line Edition 4m A |
| Colour | Blue |
| Fuel type | Petrol |
| Engine | 2999cc |
| Year | 2021 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 21 — March 2021 to August 2021 |
More KN21 S plates
Browse all KN21 S registrations from Luton.
About KN21 SBZ
What car is KN21 SBZ?
KN21 SBZ is a blue Mercedes-Benz E 450 Amg Line Edition 4m A, petrol (2999cc). First registered in Luton in 2021.
What is the mileage of KN21 SBZ?
The last recorded mileage for KN21 SBZ was 26,431 miles, recorded on 12 Dec 2025 during its most recent MOT test.
Has KN21 SBZ passed its MOT?
KN21 SBZ has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 12 Dec 2025.
Is KN21 SBZ ULEZ compliant?
Based on its fuel type and registration year, KN21 SBZ is likely ULEZ compliant. Petrol post-2005 (Euro 4). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is KN21 SBZ?
KN21 SBZ is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.