Skip to content

MOT reliability

Mercedes-benz Gl420 cdi

1 vehicles · 6 completed MOT tests analysed
50%
MOT pass rate

Based on 1 Mercedes-benz Gl420 cdi vehicles and 6 completed MOT tests, the Mercedes-benz Gl420 cdi has an overall 50% pass rate, with an average recorded mileage of 64,104 miles.

1
Vehicles
6
MOT tests
4,612
Avg miles / year
1.3
Faults per test
50%
Dangerous-fault share

Mercedes-benz Gl420 cdi problem areas

Where faults occur most across all Mercedes-benz Gl420 cdi MOT tests:

  • Tyres, wheels & suspension150%
  • Lamps & electrical12%

Mercedes-benz Gl420 cdi pass rate by age

Age (years)TestsPass rate
171100%
18333%
19250%

Fuel types: Diesel (1)

Most common Mercedes-benz Gl420 cdi MOT faults

These are the faults and advisories recorded most often across Mercedes-benz Gl420 cdi MOT tests:

  1. Nearside Front Inner Suspension arm pin or bush worn but not resulting in excessive movement (lower arm bush) (5.3.4 (a) (i)) (2 times)
  2. Offside Front Inner Suspension arm pin or bush worn but not resulting in excessive movement (lower arm bush) (5.3.4 (a) (i)) (2 times)
  3. Nearside Front Tyre has a tear, caused by separation or partial failure of its structure (5.2.3 (d) (ii)) (1 times)
  4. Nearside Rear Tyre has a tear, caused by separation or partial failure of its structure (5.2.3 (d) (ii)) (1 times)
  5. Offside Front Tyre has a tear, caused by separation or partial failure of its structure (5.2.3 (d) (ii)) (1 times)
  6. Offside Rear Tyre has a tear, caused by separation or partial failure of its structure (5.2.3 (d) (ii)) (1 times)
  7. Nearside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) (1 times)
  8. Nearside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) (1 times)
  9. Offside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) (1 times)
  10. Offside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) (1 times)
  11. Offside Rear reflector missing (4.8.2 (a) (ii)) (1 times)

Mercedes-benz Gl420 cdi pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2007 1 6 50% 64,104

Mercedes-benz Gl420 cdi reliability FAQ

Across 1 Mercedes-benz Gl420 cdi vehicles in our MOT data, 50% pass the MOT (a 50% failure rate), with about 1.3 faults or advisories recorded per test.

The most frequently recorded Mercedes-benz Gl420 cdi MOT issues are: Nearside Front Inner Suspension arm pin or bush worn but not resulting in excessive movement (lower arm bush) (5.3.4 (a) (i)); Offside Front Inner Suspension arm pin or bush worn but not resulting in excessive movement (lower arm bush) (5.3.4 (a) (i)); Nearside Front Tyre has a tear, caused by separation or partial failure of its structure (5.2.3 (d) (ii)).

The typical Mercedes-benz Gl420 cdi in our data has covered around 64,104 miles.

Compare the Mercedes-benz Gl420 cdi

See how the Mercedes-benz Gl420 cdi stacks up against other Mercedes-benz models on MOT reliability:

Gl420 cdi vs C Gl420 cdi vs E Gl420 cdi vs Sprinter Gl420 cdi vs A-class

Check a specific Mercedes-benz Gl420 cdi

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