2012 Mercedes-Benz Viano · 2,151 MOT tests
2012 Mercedes-Benz Viano reliability
2012 Mercedes-Benz Vianos fail 31.3% of first MOT tests, 14% fewer MOT fails than the average car its age and mileage, ranking 5 of 11 Viano years (2,151 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Mercedes-Benz Vianos: 33.6%)
- 31.3%
- first-time fail rate (all Mercedes-Benz Vianos: 33.6%)
- fails than cars of the same age and mileage
- 14% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 11
- 137,643
- typical miles at its MOT, aged about 11
- MOT tests, 2022 to 2024
- 2,151
- MOT tests, 2022 to 2024
Year on year
2012 against the years either side
- 2011 cars: 18% fewer MOT fails than the average car its age (the 2012 car does worse)
- 2013 cars: 11% fewer MOT fails than the average car its age (the 2012 car does better)
- Weak spot: seat belts and airbags, 3.6% of tests fail here (169% above cars of the same age and mileage).
- Strong point: suspension, 53% fewer fails than comparable cars.
- Plates: a 2012 car carries a 61 plate (January–February 2012), or a 12 plate (March–August 2012), or a 62 plate (September–December 2012).
Common problems
What fails on a 2012 Mercedes-Benz Viano
Fail rate by area
- Lights and electrics15.6%
- Brakes10.6%
- Suspension6.5%
- Tyres6.5%
- Exhaust, emissions and leaks4.6%
- Windscreen, wipers and mirrors4.4%
- Seat belts and airbags3.6%
Average for cars of the same age and mileage
Top failures
Parking brake efficiency below minimum 3.44%
The parking brake holds the car less well than required, so it may roll on a slope and needs repair.
Side repeater not working 3.11%
A failed side repeater means other road users cannot see your intended direction change, which is dangerous and must be fixed.
Airbag warning lamp shows fault 2.7%
A lit airbag warning means the airbag system may not deploy in a crash, so it needs diagnosing and repairing.
Position lamp not working 2.56%
A failed position lamp makes the car harder to see in poor light and is illegal, so it must be repaired.
Parking brake efficiency under half required 2.05%
The parking brake is well below required strength and is unlikely to hold the car on a slope.
Tyre tread below 1.6mm 1.95%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Common advisories
Tyre worn close to legal limit (16.23%) · Engine oil leak, not excessive (6.04%) · Suspension arm pin/bush showing wear (5.9%) · Brake disc pitted or scored (5.67%) · Indicator lens slightly discoloured (3.72%) · Brake pads wearing thin (3.72%)
Other years
Every Mercedes-Benz Viano year
The full picture: Mercedes-Benz Viano reliability. Before you pay for any Mercedes-Benz Viano, a Full Check (£9.99) shows finance, stolen and write-off records the MOT can't.
Source: DVSA anonymised MOT results, 2022 to 2024, class 4 normal tests.
Is a 2012 Mercedes-Benz Viano reliable?
2012 Mercedes-Benz Vianos fail 31.3% of first MOT tests, 14% fewer MOT fails than the average car its age and mileage, ranking 5 of 11 Viano years (2,151 DVSA tests, 2022 to 2024).
What fails on a 2012 Mercedes-Benz Viano MOT?
Most often parking brake efficiency below minimum (3.44% of tests), side repeater not working (3.11% of tests), airbag warning lamp shows fault (2.7% of tests).
How many miles should a 2012 Mercedes-Benz Viano have done?
At its MOT aged about 11, a typical 2012 Mercedes-Benz Viano shows 137,643 miles. Much higher or lower is worth asking about.
What plate is a 2012 car?
A car first registered in 2012 carries a 61 plate (January–February 2012), or a 12 plate (March–August 2012), or a 62 plate (September–December 2012).
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