CarCostCheck

Mercedes 308 D

Reliability, estimated running costs, and MOT data across 3 model years from 217 MOT tests in 2024.

Avg Pass Rate

74%

Total Tests

217

Model Years

1996 to 1998

Years Covered

3

About the Mercedes 308 D

The Mercedes 308 D was MOT tested 217 times in 2024 (DVSA data, retests included) across 3 model years (1996 to 1998), with an average pass rate of 74%. That's 8 points below the average of 82% across all models in our data, so check the year-by-year data carefully before buying. Our records list diesel versions.

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.

Estimated Running Costs

Fuel (Diesel, 2299cc)
£1,676
Road Tax
£375
MOT Test
£55
Predicted Repairs

Higher due to low pass rate

£700
Total per year£2,806
Per month£234/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 1998 details

How reliable is the Mercedes 308 D?

vs average of all models-8% (82% avg)
vs Mercedes brand average-13% (87% avg)

Mercedes 308 D by Year

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

YearPass RateTestsAvg Mileage
199868%69151,038 mi
199780%93157,810 mi
199675%55151,909 mi

Questions about the Mercedes 308 D

Is the Mercedes 308 D reliable?

Across its 3 model years in our data (1996 to 1998), the Mercedes 308 D averages a 74% MOT pass rate, from 217 tests (DVSA MOT data for tests in 2024, retests included). That's 8 points below the average of 82% across all models in the same data.

Mercedes 308 D Guides & Articles

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