2017 Renault Grand Scenic diesel: common problems and MOT failures

What goes wrong more than usual on a 2017 Renault Grand Scenic diesel?

Parts flagged at MOT more often on the 2017 Renault Grand Scenic diesel than on all cars registered in 2017.

• Suspension arm bushes and joints2.9× usual
  Renault Grand Scenic

  10.7% All 2017 cars

  3.7%

  Failed outright at MOT: 2.5%, against 0.7% of all 2017 cars. The rest were advisories or minor defects.

  Rough price £120–£180 (one arm) ClickMechanic

  At the viewing: Listen for clunks over bumps and feel for the steering wandering. Worn arm bushes show as cracked rubber near the wheels.

• Brake lights6.5× usual
  Renault Grand Scenic

  7.2% All 2017 cars

  1.1%

  Failed outright at MOT: 7.2%, against 0.9% of all 2017 cars. The rest were advisories or minor defects.

  Rough price £10–£80 our estimate

  At the viewing: Ask a friend to check every light while you work the switches: indicators, brake lights, fog lights and reversing lights.

• Headlights5.5× usual
  Renault Grand Scenic

  6% All 2017 cars

  1.1%

  Failed outright at MOT: 5.9%, against 1% of all 2017 cars. The rest were advisories or minor defects.

  Rough price £40–£400 our estimate

  At the viewing: Check both headlights on dipped and full beam, and look for cloudy or cracked lenses.

• Engine warning light4.2× usual
  Renault Grand Scenic

  4.6% All 2017 cars

  1.1%

  Failed outright at MOT: 4.6%, against 1.1% of all 2017 cars. The rest were advisories or minor defects.

  Rough price £10–£80 our estimate

  At the viewing: Ask a friend to check every light while you work the switches: indicators, brake lights, fog lights and reversing lights.

Common 2017 Renault Grand Scenic diesel MOT failures and advisories

The share of 2017 Renault Grand Scenic diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

• Tyres
  34% 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.

• Brakes
  24% 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
  22% 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
  21% of testsRough price £10–£80

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

• Seats and seatbelts
  6% of testsRough price £80–£250

  At the viewing: Pull each seatbelt sharply. It should lock, and retract cleanly.

• Wipers, windscreen and mirrors
  6% of testsRough price £15–£250

  At the viewing: Check for chips in the driver's view, and test the wipers and washers.

Questions to ask the seller before buying a 2017 Renault Grand Scenic diesel

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

1. Any recent work on the suspension arm bushes and joints? (Flagged at MOT 2.9× as often on the 2017 Renault Grand Scenic diesel as on other cars the same age.)
2. Any recent work on the brake lights? (Flagged at MOT 6.5× as often on the 2017 Renault Grand Scenic diesel as on other cars the same age.)
3. Any recent work on the headlights? (Flagged at MOT 5.5× as often on the 2017 Renault Grand Scenic diesel as on other cars the same age.)
4. Can I see the service history and receipts for any big jobs?