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 300 Amg Ln Ngt Ed Prm+Mhev A Hybrid Electric (Clean) 1991cc has had 3 MOT tests on record, passing 2 and failing once (67% pass rate). It has 22,758 miles on the clock, averaging 1,690 miles per year, well below the UK average of 7,400.
MOT & Mileage History for SL21 ONM
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Low mileage| Latest reading | 22,758 miles |
| Reading date | |
| Average per year | 1,690 |
| Mileage consistency | Consistent |
Check SL21 ONM
- 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 3 tests on record
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Vehicle Details
| Registration | SL21 ONM |
| Make | Mercedes-Benz |
| Model | E 300 Amg Ln Ngt Ed Prm+Mhev A |
| Colour | Grey |
| Fuel type | Hybrid Electric (Clean) |
| Engine | 1991cc |
| Year | 2021 |
| First registered | |
| Area code | SL — Edinburgh, Scotland |
| Age identifier | 21 — March 2021 to August 2021 |
More SL21 O plates
Browse all SL21 O registrations from Edinburgh.
About SL21 ONM
What car is SL21 ONM?
SL21 ONM is an grey Mercedes-Benz E 300 Amg Ln Ngt Ed Prm+Mhev A, hybrid electric (clean) (1991cc). First registered in Edinburgh in 2021.
What is the mileage of SL21 ONM?
The last recorded mileage for SL21 ONM was 22,758 miles, recorded on 12 Feb 2026 during its most recent MOT test.
Has SL21 ONM passed its MOT?
SL21 ONM has had 3 MOT tests with a 67% pass rate (2 passes, 1 failure). It last passed on 12 Feb 2026.
Is SL21 ONM ULEZ compliant?
Based on its fuel type and registration year, SL21 ONM is likely ULEZ compliant. Electric — exempt. This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is SL21 ONM?
SL21 ONM is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.