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MOT reliability

Mercedes-benz S 400 l amg ln prm+exec d 4m a

32 vehicles · 79 completed MOT tests analysed
92%
MOT pass rate

Based on 32 Mercedes-benz S 400 l amg ln prm+exec d 4m a vehicles and 79 completed MOT tests, the Mercedes-benz S 400 l amg ln prm+exec d 4m a has an overall 92% pass rate, with an average recorded mileage of 55,115 miles.

32
Vehicles
79
MOT tests
19,969
Avg miles / year
0.6
Faults per test
12%
Dangerous-fault share

Mercedes-benz S 400 l amg ln prm+exec d 4m a problem areas

Where faults occur most across all Mercedes-benz S 400 l amg ln prm+exec d 4m a MOT tests:

  • Tyres, wheels & suspension78%
  • Brakes12%
  • Visibility8%
  • Lamps & electrical6%
  • Other2%

Mercedes-benz S 400 l amg ln prm+exec d 4m a pass rate by age

Age (years)TestsPass rate
11191%
212100%
32990%
41794%
5683%

Fuel types: Diesel (32)

Most common Mercedes-benz S 400 l amg ln prm+exec d 4m a MOT faults

These are the faults and advisories recorded most often across Mercedes-benz S 400 l amg ln prm+exec d 4m a MOT tests:

  1. Front Brake pad(s) wearing thin (1.1.13 (a) (ii)) (4 times)
  2. Nearside Front Suspension arm ball joint has slight play spring link (5.3.4 (a) (i)) (2 times)
  3. Offside Rear Outer Tyre slightly damaged wall (5.2.3 (d) (ii)) (2 times)
  4. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (2 times)
  5. Nearside Rear Inner Tyre worn close to legal limit/worn on edge edge (5.2.3 (e)) (2 times)
  6. Offside Rear Inner Tyre worn close to legal limit/worn on edge edge (5.2.3 (e)) (2 times)
  7. Nearside Front Tyre slightly damaged small cut in outer sidewall (5.2.3 (d) (ii)) (2 times)
  8. Offside Rear Tyre slightly damaged small cuts in outer sidewall (5.2.3 (d) (ii)) (2 times)
  9. Offside Windscreen wiper blade defective smearing (3.4 (b) (i)) (2 times)
  10. Nearside Front Road wheel slightly distorted (5.2.2 (c) (i)) (2 times)
  11. Central Lower Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i)) (1 times)
  12. Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i)) (1 times)
  13. Nearside Front Headlamp aim too high (4.1.2 (a)) (1 times)
  14. Offside Front Headlamp aim too high (4.1.2 (a)) (1 times)
  15. Nearside Rear Outer Tyre has a bulge, caused by separation or partial failure of its structure wall (5.2.3 (d) (ii)) (1 times)

Mercedes-benz S 400 l amg ln prm+exec d 4m a pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2023 7 13 92% 25,733
2022 9 24 96% 68,719

Mercedes-benz S 400 l amg ln prm+exec d 4m a reliability FAQ

Across 32 Mercedes-benz S 400 l amg ln prm+exec d 4m a vehicles in our MOT data, 92% pass the MOT (a 8% failure rate), with about 0.6 faults or advisories recorded per test.

The most frequently recorded Mercedes-benz S 400 l amg ln prm+exec d 4m a MOT issues are: Front Brake pad(s) wearing thin (1.1.13 (a) (ii)); Nearside Front Suspension arm ball joint has slight play spring link (5.3.4 (a) (i)); Offside Rear Outer Tyre slightly damaged wall (5.2.3 (d) (ii)).

The typical Mercedes-benz S 400 l amg ln prm+exec d 4m a in our data has covered around 55,115 miles.

Compare the Mercedes-benz S 400 l amg ln prm+exec d 4m a

See how the Mercedes-benz S 400 l amg ln prm+exec d 4m a stacks up against other Mercedes-benz models on MOT reliability:

S 400 l amg ln prm+exec d 4m a vs C S 400 l amg ln prm+exec d 4m a vs E S 400 l amg ln prm+exec d 4m a vs Sprinter S 400 l amg ln prm+exec d 4m a vs A-class

Check a specific Mercedes-benz S 400 l amg ln prm+exec d 4m a

Enter a registration to see that exact vehicle's full MOT history, advisories and recurring faults.

See all Mercedes-benz models · Learn about common MOT failures · what an MOT checks