Used car guide

2011 Mercedes-Benz Viano: common problems and what to check

What gets flagged at MOT on 2011 Mercedes-Benz Vianos, from 454 tests in 2025, plus known faults and what to look at before you buy one.

Small sample: only 454 of these were MOT tested in 2025, so treat the percentages as rough. The known faults below don't depend on it.

454MOT tests in 2025
66%pass first time (all 2011 cars: 61%)
10,600typical miles a year
33%had brakes flagged

What gets flagged at MOT

The share of 2011 Mercedes-Benz Viano MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Brakes
    33% of testsRough price £150–£350

    At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.

  • Suspension
    30% of testsRough price £120–£400

    At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.

  • Lights and electrics
    30% of testsRough price £10–£80

    At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.

  • Tyres
    28% of testsRough price £70–£150

    At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.

  • Oil and fluid leaks
    17% of testsRough price £80–£600

    At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.

  • Exhaust and emissions
    14% of testsRough price £100–£1,200

    At the viewing: Look for black soot in the tailpipe, listen for blowing from the exhaust and check for engine or DPF warning lights.

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Other years

YearMOT testsMost flagged
2015129Tyres 28%
2014622Brakes 31%
2013627Brakes 27%
2012553Tyres 29%
2010415Lights and electrics 36%
2009422Brakes 42%
2008453Lights and electrics 35%
2007412Brakes 39%
2006351Brakes 38%
2005347Brakes 46%
2004244Lights and electrics 43%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2011 Mercedes-Benz Vianos registered in 2011. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score