Mercedes 250

Reliability, estimated running costs, and MOT data across 10 model years from 722 MOT tests in 2024.

Avg Pass Rate

82%

Total Tests

722

Model Years

1990 to 2016

Years Covered

About the Mercedes 250

The Mercedes 250 was MOT tested 722 times in 2024 (DVSA data, retests included) across 10 model years (1990 to 2016), with an average pass rate of 82%. That's close to the average of 82% across all models in our data. Our records list diesel and petrol versions.

Mileage Across Years

The oldest model in our data (1990) averages 161,374 miles, while the newest (2016) averages 75,772 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.

Compared to the Mercedes brand average of 87%, the 250 is 5 points lower, placing it among the less reliable Mercedes models.

Estimated Running Costs

Fuel (Diesel, 2143cc)

£1,676

Road Tax

£410

MOT Test

£55

Predicted Repairs

£350

Total per year£2,491

Per month£208/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 2016 details

How reliable is the Mercedes 250?

vs average of all models+0% (82% avg)

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

Mercedes 250 by Year

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

Year	Pass Rate	Tests	Avg Mileage
2016	83%	53	75,772 mi
2015	87%	63	75,327 mi
2014	87%	63	83,572 mi
2013	85%	78	85,457 mi
2012	78%	208	99,156 mi
2011	80%	51	108,151 mi
2010	77%	57	101,457 mi
2009	90%	59	121,819 mi
1991	79%	39	147,016 mi
1990	76%	51	161,374 mi

Questions about the Mercedes 250

Is the Mercedes 250 reliable?

Across its 10 model years in our data (1990 to 2016), the Mercedes 250 averages an 82% MOT pass rate, from 722 tests (DVSA MOT data for tests in 2024, retests included). That's level with the average of 82% across all models in the same data.