Used car guide

1992 Mercedes-Benz 190: common problems and what to check

What gets flagged at MOT on 1992 Mercedes-Benz 190s, from 545 tests in 2025, plus known faults and what to look at before you buy one.

545MOT tests in 2025
71%pass first time (all 1992 cars: 69%)
3,800typical miles a year
4.8×the usual rate for corroded fuel pipes

What stands out

Parts flagged at MOT more often on 1992 Mercedes-Benz 190s than on all cars registered in 1992.

  • Corroded fuel pipes4.8× usual
    Mercedes-Benz 190
    5.7% All 1992 cars
    1.2%

    Failed outright at MOT: 0%, against 0% of all 1992 cars. The rest were advisories or minor defects.

    Rough price £100–£400 our estimate

    At the viewing: Ask to see underneath, or check the MOT advisories: corroded brake or fuel pipes get worse every year and fail the MOT when they do.

By area

The share of 1992 Mercedes-Benz 190 MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Suspension
    34% 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.

  • Brakes
    31% 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.

  • Lights and electrics
    22% 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
    18% 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
    15% 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.

  • Rust and bodywork
    14% 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.

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Other years

YearMOT testsMost flagged
1993442Brakes 33%
1991405Suspension 35%
1990456Suspension 34%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 1992 Mercedes-Benz 190s registered in 1992. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score