Mercedes 308 d
Reliability, running costs, and MOT data across 3 years from 217 real MOT tests.
Avg Pass Rate
74%
Total Tests
217
Best Year
1997 (80%)
Years Covered
3
How reliable is the Mercedes 308 d?
Mercedes 308 d by Year
Checking a specific Mercedes 308 d?
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About the Mercedes 308 d
The Mercedes 308 d has been tested 217 times in 2024 MOT data across 3 model years (1996 to 1998), with an average pass rate of 74%. That's 8 points below the national average of 82%, so check the year-by-year data carefully before buying. Available as diesel.
Best and Worst Years
The 1997 model is the most reliable with a 80% pass rate from 93 tests. The 1998 model has the lowest at 68%. The 12 point spread between years means reliability varies somewhat, but no year is dramatically different.
Reliability Trend
The MERCEDES 308 D has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.
Mileage Across Years
The oldest model in our data (1996) averages 151,909 miles, while the newest (1998) averages 151,038 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.
Compared to the Mercedes brand average of 87%, the 308 d is 13 points lower, placing it among the less reliable Mercedes models.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.