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MOT reliability

Mercedes-benz Slk

80,234 vehicles · 1,332,240 completed MOT tests analysed
80%
MOT pass rate

Based on 80,234 Mercedes-benz Slk vehicles and 1,332,240 completed MOT tests, the Mercedes-benz Slk has an overall 80% pass rate, with an average recorded mileage of 82,021 miles.

80,234
Vehicles
1,332,240
MOT tests
4,320
Avg miles / year
1.6
Faults per test
2%
Dangerous-fault share

Mercedes-benz Slk problem areas

Where faults occur most across all Mercedes-benz Slk MOT tests:

  • Other57%
  • Tyres, wheels & suspension26%
  • Brakes16%
  • Lamps & electrical6%
  • Emissions & nuisance3%
  • Body & structure2%
  • Visibility2%
  • Seatbelts & equipment1%

Mercedes-benz Slk pass rate by age

How the Mercedes-benz Slk's MOT pass rate changes as it ages (buckets with 20+ tests).

Age (years)TestsPass rate
12785%
21,92392%
362,46390%
467,83788%
573,86387%
679,51985%
785,23384%
889,12782%
992,70781%
1092,74580%
1188,19179%
1281,88978%
1375,65377%
1468,17776%
1561,66675%
1657,17275%
1752,27675%
1846,14975%
1939,45974%
2032,26174%

Fuel types: Petrol (65,641), Diesel (14,571), LPG (18), Electric (2), Other (2)

Most common Mercedes-benz Slk MOT faults

These are the faults and advisories recorded most often across Mercedes-benz Slk MOT tests:

  1. Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (44,250 times)
  2. Offside Rear Tyre worn close to the legal limit (4.1.E.1) (43,108 times)
  3. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (29,282 times)
  4. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (28,442 times)
  5. Nearside Front Tyre worn close to the legal limit (4.1.E.1) (24,222 times)
  6. Offside Front Tyre worn close to the legal limit (4.1.E.1) (21,753 times)
  7. Under-trays fitted obscuring some underside components (21,471 times)
  8. Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c)) (17,880 times)
  9. Nearside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c)) (17,478 times)
  10. Nearside Front Wheel bearing has slight play (5.1.3 (a) (i)) (17,320 times)
  11. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (16,924 times)
  12. Offside Front Wheel bearing has slight play (5.1.3 (a) (i)) (16,487 times)
  13. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (16,328 times)
  14. Oil leak, but not excessive (8.4.1 (a) (i)) (16,319 times)
  15. Front Brake pad(s) wearing thin (3.5.1g) (14,496 times)

Mercedes-benz Slk pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2023 1 1 100% 45,367
2021 1 6 83% 58,832
2020 1 1 100% 11,570
2019 1 5 100% 46,693
2018 2 9 67% 35,725
2017 3 18 83% 16,779
2016 1,283 10,845 88% 48,486
2015 5,127 47,514 87% 53,104
2014 5,230 54,884 86% 59,700
2013 5,051 59,275 84% 66,701
2012 6,080 78,118 84% 68,351
2011 2,708 37,795 85% 65,500
2010 2,229 35,134 81% 70,585
2009 2,736 46,011 81% 73,571
2008 3,627 64,587 80% 78,636
2007 4,180 77,158 80% 79,292
2006 4,624 87,671 80% 83,854
2005 6,420 126,988 80% 85,694
2004 4,511 92,946 78% 89,267
2003 3,209 68,424 78% 94,997
2002 3,754 77,268 79% 97,857
2001 4,721 93,992 78% 101,430
2000 4,692 90,015 78% 104,647
1999 4,135 77,263 77% 101,142
1998 3,298 60,765 76% 105,964
1997 2,409 42,550 75% 109,649
1996 186 2,904 75% 118,534
1995 2 17 100% 65,684
1991 3 35 83% 155,175
1983 1 1 100% 62,155
1977 3 20 95% 73,880
1975 1 2 50% 133,880
1973 1 4 50% 99,641
1971 1 19 68% 82,767
1964 1 1 100% 71,868

Mercedes-benz Slk reliability FAQ

Across 80,234 Mercedes-benz Slk vehicles in our MOT data, 80% pass the MOT (a 20% failure rate), with about 1.6 faults or advisories recorded per test.

The most frequently recorded Mercedes-benz Slk MOT issues are: Nearside Rear Tyre worn close to the legal limit (4.1.E.1); Offside Rear Tyre worn close to the legal limit (4.1.E.1); Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)).

The typical Mercedes-benz Slk in our data has covered around 82,021 miles.

Compare the Mercedes-benz Slk

See how the Mercedes-benz Slk stacks up against other Mercedes-benz models on MOT reliability:

Slk vs C Slk vs E Slk vs Sprinter Slk vs A-class

Check a specific Mercedes-benz Slk

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