Mercedes Benz Viano (2015)
2015 Mercedes Benz Viano
CarHunch analysed 155 real MOT records for the 2015 Mercedes Benz Viano. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
The 2015 Mercedes-Benz Viano's 81.3% first-time pass rate slightly edges the UK average, but the real concern here is that 41.9% of these vehicles have recorded dangerous defects—nearly double the typical threshold—suggesting structural or safety issues are common across the fleet. This is a material risk for any prospective buyer and warrants a thorough pre-purchase inspection.
At around 86,000 miles on average, these eight-year-old vans are showing typical wear for their age, yet they're still generating 2.31 failures and 12.4 advisories per test cycle, indicating maintenance demands are substantial. Before committing to purchase, get a full mechanical survey focused on braking systems and suspension geometry, as these are the areas where dangerous defects typically cluster.
What to check before buying a 2015 Mercedes Benz Viano
Practical pre-purchase checks for this age and model.
- 📋 Check the full MOT history. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. Enter the reg below for a full AI analysis.
- 🔍 Inspect for corrosion in person. Brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that's expensive to fix and can fail an MOT.
- 🛞 Check tyres and brakes. The most common advisory items at this age. Budget for replacement if they're near the limit — factor this into your offer price.
- ⚠️ 41.9% of these vehicles have had a dangerous defect recorded. Enter the reg below — the full MOT history will show exactly what was flagged and whether it was resolved.
- 📄 Run an HPI check. The MOT history won't show outstanding finance, insurance write-offs, or stolen status — an HPI check will.
Before you buy a Mercedes Benz Viano
MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.
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Pass Rate by Fuel Type
| Fuel type | Vehicles | Pass rate | Avg failures |
|---|---|---|---|
| Diesel (99%) | 154 | 81.2% | 2.32 |
| Petrol (1%) | 1 | 100% | 0 |
Mileage Distribution
Most 2015 Mercedes Benz Viano vehicles sit in the blue band. If the car you're looking at is outside it, it's either unusually low or high mileage for its age.
Half of all 2015 Mercedes Benz Viano vehicles fall between 49,745 and 123,485 miles.
2015 Mercedes Benz Viano — Still on the Road
Strong survival — 121 vehicles still getting MOTs in 2025, 87% of the peak.
Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2015–2025.
MOT History Averages
Most Common MOT Issues — 2015 Mercedes Benz Viano
Based on actual MOT test records for this model. Percentage shows how often each item appears across all vehicles in this cohort.
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45.8%
Offside Rear Tyre worn close to legal limit/worn on edge
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44.1%
Nearside Front Tyre worn close to legal limit/worn on edge
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43%
Offside Front Tyre worn close to legal limit/worn on edge
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41.6%
Nearside Rear Tyre worn close to legal limit/worn on edge
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28.5%
Oil leak, but not excessive
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21%
Windscreen damaged but not adversely affecting driver's view
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20.3%
Parking brake efficiency below requirements
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16.1%
Rear Brake pad(s) wearing thin
Data covers a 3-year window centred on 2015. Counts include advisories and failures.
Found a specific Mercedes Benz Viano?
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