Mercedes Viano

Reliability, estimated running costs, and MOT data across 12 model years from 11,348 MOT tests in 2024.

Avg Pass Rate

79%

Total Tests

11,348

Highest Pass Rate

2014 (83%)

Years Covered

About the Mercedes Viano

The Mercedes Viano was MOT tested 11,348 times in 2024 (DVSA data, retests included) across 12 model years (2004 to 2015), with an average pass rate of 79%. That's close to the average of 82% across all models in our data. Our records list diesel and petrol and lpg versions.

Best and Worst Years

Of the years with at least 100 tests, the 2014 model has the highest pass rate at 83% from 1,384 tests. The 2006 model has the lowest at 74%. The 9 point gap means pass rates vary somewhat between years, but no year is dramatically different. Newer cars usually pass more often simply because they are younger.

Reliability Trend

Newer Mercedes Vianos pass their MOT more often than older ones, by 5 percentage points on average, which is mostly down to age and wear.

Mileage Across Years

The oldest model in our data (2004) averages 107,888 miles, while the newest (2015) averages 152,306 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.

Compared to the Mercedes brand average of 87%, the Viano is 8 points lower, placing it among the less reliable Mercedes models.

Estimated Running Costs

Fuel (Diesel, 2143cc)

£1,676

Road Tax

£410

MOT Test

£55

Predicted Repairs

£350

Total per year£2,491

Per month£208/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 2015 details

How reliable is the Mercedes Viano?

vs average of all models-3% (82% avg)

vs Mercedes brand average-8% (87% avg)

Best to worst year spread9 percentage points

Reliability trendImproving over years

Mercedes Viano by Year

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

Year	Pass Rate	Tests	Avg Mileage
2015	83%	303	152,306 mi
2014	83%	1,384	136,437 mi
2013	81%	1,346	143,728 mi
2012	79%	1,244	160,438 mi
2011	82%	1,160	163,358 mi
2010	82%	797	160,006 mi
2009	78%	898	170,428 mi
2008	78%	1,044	163,015 mi
2007	78%	944	156,663 mi
2006	74%	806	148,028 mi
2005	75%	844	140,309 mi
2004	77%	578	107,888 mi

Questions about the Mercedes Viano

Is the Mercedes Viano reliable?

Across its 12 model years in our data (2004 to 2015), the Mercedes Viano averages a 79% MOT pass rate, from 11,348 tests (DVSA MOT data for tests in 2024, retests included). That's 3 points below the average of 82% across all models in the same data. The 2014 model has the highest pass rate of the years with at least 100 tests, at 83%.

Which year Mercedes Viano has the best MOT pass rate?

Of the years with at least 100 tests, the 2014 Mercedes Viano has the highest MOT pass rate at 83%, while the 2006 model has the lowest at 74%, a 9 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.