CarCostCheck

Mercedes 310

Reliability, estimated running costs, and MOT data across 2 model years from 107 MOT tests in 2024.

Avg Pass Rate

60%

Total Tests

107

Model Years

1994 to 1995

Years Covered

2

About the Mercedes 310

The Mercedes 310 was MOT tested 107 times in 2024 (DVSA data, retests included) across 2 model years (1994 to 1995), with an average pass rate of 60%. That's 22 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 (1994) averages 115,979 miles, while the newest (1995) averages 112,252 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.

Compared to the Mercedes brand average of 87%, the 310 is 27 points lower, placing it among the less reliable Mercedes models.

Estimated Running Costs

Fuel (Diesel, 2874cc)
£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 1995 details

How reliable is the Mercedes 310?

vs average of all models-22% (82% avg)
vs Mercedes brand average-27% (87% avg)

Mercedes 310 by Year

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

YearPass RateTestsAvg Mileage
199566%50112,252 mi
199454%57115,979 mi

Questions about the Mercedes 310

Is the Mercedes 310 reliable?

Across its 2 model years in our data (1994 to 1995), the Mercedes 310 averages a 60% MOT pass rate, from 107 tests (DVSA MOT data for tests in 2024, retests included). That's 22 points below the average of 82% across all models in the same data.

Mercedes 310 Guides & Articles

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