Mercedes SLR MOT Pass Rates and Running Costs by Year

Reliability, estimated running costs, and MOT data across 2 model years from 75 MOT tests in 2024.

Avg Pass Rate

92%

Total Tests

Model Years

2004 to 2005

Years Covered

About the Mercedes SLR

The Mercedes SLR was MOT tested 75 times in 2024 (DVSA data, retests included) across 2 model years (2004 to 2005), with an average pass rate of 92%. That's comfortably above the average of 82% across all models in our data. Our records list petrol versions.

Mileage Across Years

The oldest model in our data (2004) averages 21,069 miles, while the newest (2005) averages 13,894 miles.

Compared to the Mercedes brand average of 87%, the SLR performs 5 points better, making it one of the more reliable options in the Mercedes range.

Estimated Running Costs

Fuel (Petrol, 5439cc)

£1,958

Road Tax

£790

MOT Test

£55

Predicted Repairs

£350

Total per year£3,153

Per month£263/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2005 details

How reliable is the Mercedes SLR?

vs average of all models+10% (82% avg)

vs Mercedes brand average+5% (87% avg)

Mercedes SLR by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

Year	Pass Rate	Tests	Avg Mileage
2005	84%	45	13,894 mi
2004	100%	30	21,069 mi

Questions about the Mercedes SLR

Is the Mercedes SLR reliable?

Across its 2 model years in our data (2004 to 2005), the Mercedes SLR averages a 92% MOT pass rate, from 75 tests (DVSA MOT data for tests in 2024, retests included). That's 10 points above the average of 82% across all models in the same data.