Mercedes-Benz Gl MOT reliability

Mercedes-Benz Gls passed their MOT first time 82% of the time across 3,441 tests in 2025.

Example photo of a Mercedes-Benz Gl — Photo: Alexander-93 · CC BY-SA 4.0 · Wikimedia Commons

First-time pass rate

82%

MOTs analysed

3,441

Still licensed (GB)

–

Body type

Hatchback

Pass rate by year of first registration

Older cars fail more often, so compare a car with others of the same age. Years with very few MOTs can show extreme pass rates, even 0% or 100%, so give more weight to years with more tests.

In detail:

First registered

2019 petrol

45 MOTs

These figures come from 45 MOT tests. That's a fairly small number of cars, so they may not be typical of these cars as a whole.

Passed first time 71%. Typical mileage 40,388 (most between 32,221 and 50,095).

2021: 86% → 2022: 100% → 2023: 90% → 2024: 89% → 2025: 71%

Most common failures

Washers: provides insufficient washer liquid (4.4%)
Tread depth below requirements of 1.6mm (4.4%)
Coil spring: fractured or broken (4.4%)
Joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt (4.4%)
Brake pads: worn down to wear indicator (2.2%)

2019 diesel

12 MOTs

These figures come from only 12 MOT tests. With so few cars, a single pass or fail changes the percentages a lot, so treat them as a rough guide rather than a true average.

Passed first time 83%. Typical mileage 52,616 (most between 34,819 and 66,059).

2021: 67% → 2022: 67% → 2023: 82% → 2024: 89% → 2025: 83%

Most common failures

Condition: has a tear, caused by separation or partial failure of its structure (8.3%)
Washers: provides insufficient washer liquid (8.3%)

2019 hybrid

1 MOT

These figures come from only 1 MOT test. With so few cars, a single pass or fail changes the percentages a lot, so treat them as a rough guide rather than a true average.

Passed first time 100%. Typical mileage 23,761 (most between 23,761 and 23,761).

Most common failures

Where 2019 Gls fail

Wheels & tyres

11.1%

Visibility & wipers

8.9%

Body, structure & corrosion

6.7%

Brakes

4.4%

Suspension & axles

4.4%

Lights & electrics

2.2%

Looking at a particular car?

See its own MOT history, mileage and red flags, compared with these figures. Free.

Based on 2025 initial MOT tests in DVSA's anonymised MOT dataset (cars and light vans). Contains public sector information licensed under the Open Government Licence v3.0. Model details: Vehicle data by VehiclesDB.