MOT reliability

Mercedes-benz Gls

Q: Is the Mercedes-benz Gls reliable?

Across 2,317 Mercedes-benz Gls vehicles in our MOT data, 89% pass the MOT (a 11% failure rate), with about 1.0 faults or advisories recorded per test.

2,317 vehicles · 14,017 completed MOT tests analysed

89%

MOT pass rate

Based on 2,317 Mercedes-benz Gls vehicles and 14,017 completed MOT tests, the Mercedes-benz Gls has an overall 89% pass rate, with an average recorded mileage of 69,659 miles.

2,317

Vehicles

14,017

MOT tests

9,207

Avg miles / year

Faults per test

Dangerous-fault share

Mercedes-benz Gls problem areas

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

Tyres, wheels & suspension49%
Brakes21%
Other16%
Visibility5%
Body & structure4%
Lamps & electrical2%
Identification & plates2%
Emissions & nuisance2%

Mercedes-benz Gls pass rate by age

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

Age (years)	Tests	Pass rate
1	18	100%
2	67	93%
3	2,593	91%
4	2,374	90%
5	2,354	88%
6	2,275	88%
7	2,000	88%
8	1,424	89%
9	714	88%
10	194	89%
11	2	100%
13	2	50%

Fuel types: Diesel (2,040), Petrol (276), Electric Diesel (1)

Most common Mercedes-benz Gls MOT faults

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

Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (647 times)
Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (644 times)
Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (635 times)
Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (617 times)
Front Brake pad(s) wearing thin (1.1.13 (a) (ii)) (320 times)
Rear Brake pad(s) wearing thin (1.1.13 (a) (ii)) (297 times)
COVID-19 6 MONTH EXTENSION (218 times)
Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i)) (203 times)
Nearside Rear Child Seat fitted not allowing full inspection of adult belt (189 times)
Nearside Front Outer Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i)) (170 times)
Nearside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) (164 times)
Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (161 times)
Offside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) (144 times)
Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (130 times)
Nearside Rear Nail in tyre (120 times)

Mercedes-benz Gls pass rate by registration year

Year	Vehicles	Tests	Pass rate	Avg mileage
2024	1	2	100%	6,168
2021	1	3	67%	57,953
2020	4	16	94%	38,584
2019	377	1,795	89%	58,263
2018	648	3,670	89%	65,318
2017	796	4,973	90%	72,592
2016	486	3,531	88%	80,902
2014	1	10	90%	91,859
2013	1	2	100%	50,892
2010	1	13	77%	106,434
2006	1	2	50%	179,461

Mercedes-benz Gls reliability FAQ

Across 2,317 Mercedes-benz Gls vehicles in our MOT data, 89% pass the MOT (a 11% failure rate), with about 1 faults or advisories recorded per test.

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

The typical Mercedes-benz Gls in our data has covered around 69,659 miles.

Compare the Mercedes-benz Gls

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

Gls vs C Gls vs E Gls vs Sprinter Gls vs A-class

Check a specific Mercedes-benz Gls

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