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 2004 Mercedes-Benz Slk Petrol 1998cc has had 26 MOT tests on record, passing 16 and failing 10 (62% pass rate). It has 149,089 miles on the clock, averaging 5,967 miles per year, below the UK average of 7,400.
MOT & Mileage History for GN54 BSO
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Below average| Latest reading | 149,089 miles |
| Reading date | |
| Miles last year | 7,004 |
| Average per year | 5,967 |
| Mileage consistency | Variable |
Check GN54 BSO
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Full MOT Test History 26 tests on record
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Vehicle Details
| Registration | GN54 BSO |
| Make | Mercedes-Benz |
| Model | Slk |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 1998cc |
| Year | 2004 |
| First registered | |
| Area code | GN — Maidstone, Garden of England |
| Age identifier | 54 — September 2004 to February 2005 |
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About GN54 BSO
What car is GN54 BSO?
GN54 BSO is a black Mercedes-Benz Slk, petrol (1998cc). First registered in Maidstone in 2004.
What is the mileage of GN54 BSO?
The last recorded mileage for GN54 BSO was 149,089 miles, recorded on 21 Jul 2026 during its most recent MOT test.
Has GN54 BSO passed its MOT?
GN54 BSO has had 26 MOT tests with a 62% pass rate (16 passes, 10 failures). It last passed on 21 Jul 2026.
Is GN54 BSO ULEZ compliant?
Based on its fuel type and registration year, GN54 BSO is likely not ULEZ compliant. As a petrol vehicle registered in 2004, it typically does not meet the Euro 4 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is GN54 BSO?
GN54 BSO is approximately 22 years old. Age identifier 54 means registered between 1 September 2004 and 28 February 2005.