Used car guide

2003 Mercedes-Benz V-Class diesel: common problems and MOT failures

What MOT testers find on the diesel Mercedes-Benz V-Class first registered in 2003 (diesel cars only): we looked at the 186 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

Small sample: there were only 186 MOTs of these cars during 2023–2025, so treat the percentages as rough. The known faults below don't depend on it.

186MOTs of 2003 diesel cars, done in 2023–2025
53%pass first time (all 2003 cars: 57%)
5,700typical miles a year
54%had brakes flagged

Common 2003 Mercedes-Benz V-Class diesel MOT failures and advisories

The share of 2003 Mercedes-Benz V-Class diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Brakes
    54% 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
    42% 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
    41% 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
    37% 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.

  • Rust and bodywork
    25% of testsRough price £150–£1,000

    At the viewing: Check the sills, wheel arches and underneath for rust, and look along the panels for uneven gaps or paint.

  • Exhaust and emissions
    20% 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.

Questions to ask the seller before buying a 2003 Mercedes-Benz V-Class diesel

Ask before you travel to see it. A seller who knows the car will have answers, and receipts.

  1. Can I see the service history and receipts for any big jobs?

Looking at a Mercedes-Benz V-Class?

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Other years

Every year of the Mercedes-Benz V-Class compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
2023682Tyres 16%
2022801Tyres 20%
20211,241Tyres 23%
20202,706Tyres 27%
20198,687Tyres 22%
20187,272Tyres 23%
20176,726Tyres 23%
20164,500Tyres 24%
20152,720Tyres 24%
2002343Brakes 43%
2001169Brakes 47%
2000143Brakes 52%
1999182Brakes 51%
1998137Brakes 50%
1997–Too few tests

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Mercedes-Benz V-Class cars first registered in 2003. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score