CarCostCheck

Mercedes 350

Reliability, estimated running costs, and MOT data across 5 model years from 262 MOT tests in 2024.

Avg Pass Rate

90%

Total Tests

262

Model Years

2008 to 2016

Years Covered

5

About the Mercedes 350

The Mercedes 350 was MOT tested 262 times in 2024 (DVSA data, retests included) across 5 model years (2008 to 2016), with an average pass rate of 90%. That's comfortably above the average of 82% across all models in our data. Our records list petrol and diesel versions.

Mileage Across Years

The oldest model in our data (2008) averages 57,282 miles, while the newest (2016) averages 60,010 miles.

Estimated Running Costs

Fuel (Diesel, 3500cc)
£1,676
Road Tax
£760
MOT Test
£55
Predicted Repairs
£200
Total per year£2,691
Per month£224/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 2016 details

How reliable is the Mercedes 350?

vs average of all models+8% (82% avg)
vs Mercedes brand average+3% (87% avg)

Mercedes 350 by Year

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

YearPass RateTestsAvg Mileage
201691%4660,010 mi
201291%3490,714 mi
201181%43116,323 mi
201087%9389,441 mi
200898%4657,282 mi

Questions about the Mercedes 350

Is the Mercedes 350 reliable?

Across its 5 model years in our data (2008 to 2016), the Mercedes 350 averages a 90% MOT pass rate, from 262 tests (DVSA MOT data for tests in 2024, retests included). That's 8 points above the average of 82% across all models in the same data.

Mercedes 350 Guides & Articles

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