MERCEDES C 320 (2007)
Running costs, common problems, and reliability data based on 301 real MOT tests in 2024.
MOT Pass Rate
82%
Total Tests (2024)
301
Avg Mileage
116,931 mi
Est. Annual Cost
£1,900
Is the 2007 MERCEDES C 320 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 17 years old, 82% of MERCEDES C 320s from 2007 passed their MOT first time in 2024. That's based on 301 tests across the UK. The average mileage at this age is 116,931 miles.
How does the 2007 MERCEDES C 320 compare?
Mileage Analysis
The average 2007 MERCEDES C 320 has 116,931 miles on the clock, which is in line with the expected 125,800 miles for a 17-year-old car, suggesting normal everyday use.
How much does a 2007 MERCEDES C 320 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 C 320 by Year
Checking a specific MERCEDES C 320?
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About the 2007 MERCEDES C 320
The 2007 MERCEDES C 320 is a large car with a 2987cc diesel engine. 301 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It ranks in the top 25% of all 2007 cars for reliability.
With an average of 116,931 miles at 17 years old, MERCEDES C 320 owners drive about as much as the UK average.
2007 MERCEDES C 320 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 2007 MERCEDES C 320?
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 C 320 Reliability Trend
The MERCEDES C 320 has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.
Buying a Used 2007 MERCEDES C 320
At 17 years old, the MERCEDES C 320 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.
Alternatives to the 2007 MERCEDES C 320
The MERCEDES C 320 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
- LAND ROVER DISCOVERY (2006) 78% pass rate (-4%) from 17,245 tests
- AUDI TT (2008) 81% pass rate (-1%) from 16,046 tests
- JAGUAR XF (2009) 77% pass rate (-5%) from 14,981 tests