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MOT reliability

Mercedes-benz Sl 400 grand edition auto

75 vehicles · 260 completed MOT tests analysed
92%
MOT pass rate

Based on 75 Mercedes-benz Sl 400 grand edition auto vehicles and 260 completed MOT tests, the Mercedes-benz Sl 400 grand edition auto has an overall 92% pass rate, with an average recorded mileage of 20,341 miles.

75
Vehicles
260
MOT tests
3,630
Avg miles / year
0.4
Faults per test
11%
Dangerous-fault share

Mercedes-benz Sl 400 grand edition auto problem areas

Where faults occur most across all Mercedes-benz Sl 400 grand edition auto MOT tests:

  • Tyres, wheels & suspension77%
  • Other11%
  • Brakes7%
  • Lamps & electrical3%
  • Visibility2%
  • Emissions & nuisance1%
  • Identification & plates1%

Mercedes-benz Sl 400 grand edition auto pass rate by age

How the Mercedes-benz Sl 400 grand edition auto's MOT pass rate changes as it ages (buckets with 20+ tests).

Age (years)TestsPass rate
22100%
37990%
47592%
56794%
63093%
75100%

Fuel types: Petrol (72), Other (2), Hybrid Electric (Clean) (1)

Most common Mercedes-benz Sl 400 grand edition auto MOT faults

These are the faults and advisories recorded most often across Mercedes-benz Sl 400 grand edition auto MOT tests:

  1. Nearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (7 times)
  2. Offside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (6 times)
  3. Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (6 times)
  4. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (5 times)
  5. Nearside Front Road wheel slightly distorted (5.2.2 (c) (i)) (5 times)
  6. Offside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i)) (3 times)
  7. Nearside Rear Road wheel fractured (5.2.2 (a)) (2 times)
  8. Nearside Front Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i)) (2 times)
  9. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (2 times)
  10. Nearside Rear Tyre has a bulge, caused by separation or partial failure of its structure (5.2.3 (d) (ii)) (2 times)
  11. undertrays & covers fitted obscuring some components (2 times)
  12. Nearside Front Tyre slightly damaged (5.2.3 (d) (ii)) (2 times)
  13. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (2 times)
  14. Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (2 times)
  15. under tray fitted (2 times)

Mercedes-benz Sl 400 grand edition auto pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2021 12 41 90% 19,973
2020 50 172 93% 20,159
2019 9 45 91% 21,843

Mercedes-benz Sl 400 grand edition auto reliability FAQ

Across 75 Mercedes-benz Sl 400 grand edition auto vehicles in our MOT data, 92% pass the MOT (a 8% failure rate), with about 0.4 faults or advisories recorded per test.

The most frequently recorded Mercedes-benz Sl 400 grand edition auto MOT issues are: Nearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)); Offside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)); Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)).

The typical Mercedes-benz Sl 400 grand edition auto in our data has covered around 20,341 miles.

Compare the Mercedes-benz Sl 400 grand edition auto

See how the Mercedes-benz Sl 400 grand edition auto stacks up against other Mercedes-benz models on MOT reliability:

Sl 400 grand edition auto vs C Sl 400 grand edition auto vs E Sl 400 grand edition auto vs Sprinter Sl 400 grand edition auto vs A-class

Check a specific Mercedes-benz Sl 400 grand edition auto

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