MERCEDES 250 (2009)
Running costs, common problems, and reliability data based on 59 real MOT tests in 2024.
MOT Pass Rate
90%
Total Tests (2024)
59
Avg Mileage
121,819 mi
Est. Annual Cost
£1,750
Is the 2009 MERCEDES 250 reliable?
Excellent reliability. Very few MOT failures. That's 8 points above the national average of 82%.
At 15 years old, 90% of MERCEDES 250s from 2009 passed their MOT first time in 2024. That's based on 59 tests across the UK. The average mileage at this age is 121,819 miles.
How does the 2009 MERCEDES 250 compare?
Mileage Analysis
The average 2009 MERCEDES 250 has 121,819 miles on the clock, which is in line with the expected 111,000 miles for a 15-year-old car, suggesting normal everyday use.
How much does a 2009 MERCEDES 250 cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
MERCEDES 250 by Year
Checking a specific MERCEDES 250?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2009 MERCEDES 250
The 2009 MERCEDES 250 is a large car with a 2497cc diesel engine. 59 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 11% of all 2009 cars for reliability.
With an average of 121,819 miles at 15 years old, MERCEDES 250 owners drive about as much as the UK average.
2009 MERCEDES 250 Fuel Costs
The 2497cc diesel engine offers a reasonable balance between performance and economy. Expect around 40 mpg in mixed driving, which works out to roughly £1,245 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.
What does it cost to own a 2009 MERCEDES 250?
Total estimated annual running cost is £1,750 (£146/month), broken down as £1245 fuel, £250 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 90% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
MERCEDES 250 Reliability Trend
Newer MERCEDES 250s show better MOT pass rates than older ones, with an average improvement of 3 percentage points.
Buying a Used 2009 MERCEDES 250
At 15 years old, the MERCEDES 250 is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. Note: with only 59 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2009 MERCEDES 250
The MERCEDES 250 is actually the most reliable option among similar diesel large cars from this era. Here are comparable diesel cars with similar engines:
- BMW 3 SERIES (2011) 81% pass rate (-9%) from 57,568 tests
- HONDA CIVIC (2007) 72% pass rate (-18%) from 45,025 tests
- FORD TRANSIT (2011) 70% pass rate (-20%) from 37,679 tests
- FORD MONDEO (2010) 75% pass rate (-15%) from 29,714 tests