MERCEDES R-CLASS (2008)
Running costs, common problems, and reliability data based on 563 real MOT tests in 2024.
MOT Pass Rate
82%
Total Tests (2024)
563
Avg Mileage
118,299 mi
Est. Annual Cost
£1,900
Is the 2008 MERCEDES R-CLASS reliable?
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%. It falls below the MERCEDES brand average of 87%.
At 16 years old, 82% of MERCEDES R-CLASSs from 2008 passed their MOT first time in 2024. That's based on 563 tests across the UK. The average mileage at this age is 118,299 miles.
How does the 2008 MERCEDES R-CLASS compare?
Mileage Analysis
The average 2008 MERCEDES R-CLASS has 118,299 miles on the clock, which is in line with the expected 118,400 miles for a 16-year-old car, suggesting normal everyday use.
Best year to buy a MERCEDES R-CLASS?
The most reliable year is the 2011 model with a 92% MOT pass rate, while the 2007 model has the lowest at 74%. The 2008 sits between the two at 82%.
How much does a 2008 MERCEDES R-CLASS 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 R-CLASS by Year
Checking a specific MERCEDES R-CLASS?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2008 MERCEDES R-CLASS
The 2008 MERCEDES R-CLASS is a large car with a 2987cc diesel engine. 563 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. Among all cars from 2008, the average MOT pass rate is 73%, and this model beats that benchmark.
With an average of 118,299 miles at 16 years old, MERCEDES R-CLASS owners drive about as much as the UK average.
2008 MERCEDES R-CLASS Fuel Costs
The 2987cc diesel engine is on the larger side, so fuel won't be this car's strong point. 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 2008 MERCEDES R-CLASS?
Total estimated annual running cost is £1,900 (£158/month), broken down as £1245 fuel, £250 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 82% pass rate. Keeping on top of servicing will help avoid surprises.
MERCEDES R-CLASS Reliability Trend
Newer MERCEDES R-CLASSs show better MOT pass rates than older ones, with an average improvement of 7 percentage points.
Buying a Used 2008 MERCEDES R-CLASS
At 16 years old, the MERCEDES R-CLASS 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. If you're flexible on year, the 2011 model has the highest pass rate at 92%.
Alternatives to the 2008 MERCEDES R-CLASS
The MERCEDES R-CLASS 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 (2008) 80% pass rate (-2%) from 48,705 tests
- AUDI A5 (2010) 82% pass rate (same) from 22,181 tests
- JAGUAR XF (2010) 80% pass rate (-2%) from 19,704 tests
- LAND ROVER DISCOVERY (2006) 78% pass rate (-4%) from 17,245 tests