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 Amg E 63 S Ngt Ed Prem + 4m+ A Petrol 3982cc has had 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 36,445 miles on the clock, averaging 5,852 miles per year, below the UK average of 7,400.
MOT & Mileage History for KN21 XTR
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 | 36,445 miles |
| Reading date | |
| Miles last year | 1 |
| Average per year | 5,852 |
| Mileage consistency | Consistent |
Check KN21 XTR
- Write-off & insurance claims Experian
- Outstanding finance check 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 XTR |
| Make | Mercedes-Benz |
| Model | Amg E 63 S Ngt Ed Prem + 4m+ A |
| Colour | Blue |
| Fuel type | Petrol |
| Engine | 3982cc |
| Year | 2021 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 21 — March 2021 to August 2021 |
More KN21 X plates
Browse all KN21 X registrations from Luton.
About KN21 XTR
What car is KN21 XTR?
KN21 XTR is a blue Mercedes-Benz Amg E 63 S Ngt Ed Prem + 4m+ A, petrol (3982cc). First registered in Luton in 2021.
What is the mileage of KN21 XTR?
The last recorded mileage for KN21 XTR was 36,445 miles, recorded on 13 Mar 2026 during its most recent MOT test.
Has KN21 XTR passed its MOT?
KN21 XTR has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 13 Mar 2026.
Is KN21 XTR ULEZ compliant?
Based on its fuel type and registration year, KN21 XTR 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 XTR?
KN21 XTR is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.