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MOT reliability

Mercedes-benz Gl 320

882 vehicles · 13,211 completed MOT tests analysed
79%
MOT pass rate

Based on 882 Mercedes-benz Gl 320 vehicles and 13,211 completed MOT tests, the Mercedes-benz Gl 320 has an overall 79% pass rate, with an average recorded mileage of 134,651 miles.

882
Vehicles
13,211
MOT tests
8,889
Avg miles / year
1.8
Faults per test
2%
Dangerous-fault share

Mercedes-benz Gl 320 problem areas

Where faults occur most across all Mercedes-benz Gl 320 MOT tests:

  • Other57%
  • Brakes19%
  • Tyres, wheels & suspension18%
  • Emissions & nuisance7%
  • Lamps & electrical6%
  • Steering3%
  • Body & structure2%
  • Visibility2%

Mercedes-benz Gl 320 pass rate by age

How the Mercedes-benz Gl 320's MOT pass rate changes as it ages (buckets with 20+ tests).

Age (years)TestsPass rate
14100%
23190%
395184%
499183%
51,01181%
698082%
799580%
81,02976%
996878%
1097876%
1192876%
1282379%
1376375%
1469376%
1567973%
1653477%
1742376%
1826680%
1911976%
202580%

Fuel types: Diesel (876), Petrol (6)

Most common Mercedes-benz Gl 320 MOT faults

These are the faults and advisories recorded most often across Mercedes-benz Gl 320 MOT tests:

  1. Oil leak, but not excessive (8.4.1 (a) (i)) (869 times)
  2. Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (560 times)
  3. Offside Rear Tyre worn close to the legal limit (4.1.E.1) (539 times)
  4. Nearside Front Tyre worn close to the legal limit (4.1.E.1) (529 times)
  5. Offside Front Tyre worn close to the legal limit (4.1.E.1) (459 times)
  6. Under-trays fitted obscuring some underside components (390 times)
  7. Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c)) (352 times)
  8. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (309 times)
  9. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (304 times)
  10. Engine covers fitted obscuring some components in the engine bay (293 times)
  11. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (272 times)
  12. Nearside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c)) (263 times)
  13. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (260 times)
  14. Nearside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c)) (255 times)
  15. Front Brake pad(s) wearing thin (3.5.1g) (254 times)

Mercedes-benz Gl 320 pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2012 1 14 86% 139,637
2011 1 18 78% 104,852
2010 12 176 84% 131,210
2009 128 1,925 79% 133,626
2008 123 1,867 78% 141,393
2007 497 7,479 79% 133,804
2006 112 1,659 77% 132,237
2004 1 9 67% 171,132
2003 1 15 87% 125,147
2001 1 10 80% 204,223
1997 1 11 73% 175,556
1996 1 2 100% 133,110
1992 1 2 50% 132,778
1989 2 24 58% 95,869

Mercedes-benz Gl 320 reliability FAQ

Across 882 Mercedes-benz Gl 320 vehicles in our MOT data, 79% pass the MOT (a 21% failure rate), with about 1.8 faults or advisories recorded per test.

The most frequently recorded Mercedes-benz Gl 320 MOT issues are: Oil leak, but not excessive (8.4.1 (a) (i)); 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).

The typical Mercedes-benz Gl 320 in our data has covered around 134,651 miles.

Compare the Mercedes-benz Gl 320

See how the Mercedes-benz Gl 320 stacks up against other Mercedes-benz models on MOT reliability:

Gl 320 vs C Gl 320 vs E Gl 320 vs Sprinter Gl 320 vs A-class

Check a specific Mercedes-benz Gl 320

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