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 Glb 220 Amg Line Prem D 4m A Diesel 1950cc has had 3 MOT tests on record, passing 2 and failing once (67% pass rate). It has 16,796 miles on the clock, averaging 3,516 miles per year, well below the UK average of 7,400.
MOT & Mileage History for SL21 ONN
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 | 16,796 miles |
| Reading date | |
| Average per year | 3,516 |
| Mileage consistency | Consistent |
Check SL21 ONN
- 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
Explore more about the Mercedes-Benz Glb 220 Amg Line Prem D 4m A
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Vehicle Details
| Registration | SL21 ONN |
| Make | Mercedes-Benz |
| Model | Glb 220 Amg Line Prem D 4m A |
| Colour | Grey |
| Fuel type | Diesel |
| Engine | 1950cc |
| 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 ONN
What car is SL21 ONN?
SL21 ONN is an grey Mercedes-Benz Glb 220 Amg Line Prem D 4m A, diesel (1950cc). First registered in Edinburgh in 2021.
What is the mileage of SL21 ONN?
The last recorded mileage for SL21 ONN was 16,796 miles, recorded on 30 Oct 2025 during its most recent MOT test.
Has SL21 ONN passed its MOT?
SL21 ONN has had 3 MOT tests with a 67% pass rate (2 passes, 1 failure). It last passed on 30 Oct 2025.
Is SL21 ONN ULEZ compliant?
Based on its fuel type and registration year, SL21 ONN 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 SL21 ONN?
SL21 ONN is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.