2017 Mercedes-Benz GLA: MOT pass rate and common faults

Share of initial MOT tests passed with no repairs. Repairs made at the test centre count as a fail. 95% range 79.0% to 80.4% (±0.8 points).

• 2017 Mercedes-Benz GLA79.7%
• All vehicles first used in 201778.2%

That is 1.5 points above the average for all vehicles first used in 2017 (78.2%). These cars were about 8 years old at the test.

Failure areas compared with all 2017 vehicles

Compared with all vehicles first used in 2017, failures are more common in noise, emissions, leaks (1.2×), and less common in tyres (0.9×), brakes (0.7×) and lights and electrics (0.5×). Other differences are within the margin of error.

Failed tests with a fault in each area, per 100 tests. The right-hand column shows how many times as often as all vehicles first used in 2017.

1. Suspension6.0 in 100 tests1.1× compared with 5.7 in 100 for all vehicles first used in 2017
2. Tyres5.2 in 100 tests0.9× compared with 5.9 in 100 for all vehicles first used in 2017
3. Body, chassis, structure4.7 in 100 tests– no reliable figure for all vehicles first used in 2017
4. Brakes3.0 in 100 tests0.7× compared with 4.2 in 100 for all vehicles first used in 2017
5. Windscreen, wipers, mirrors3.0 in 100 tests0.9× compared with 3.3 in 100 for all vehicles first used in 2017
6. Lights and electrics2.9 in 100 tests0.5× compared with 5.9 in 100 for all vehicles first used in 2017
7. Noise, emissions, leaks2.3 in 100 tests1.2× compared with 2.0 in 100 for all vehicles first used in 2017

All vehicles first used in 2017: the 240 models in our data, 2,515,956 tests (97.6% of all 2,578,403 tests on vehicles first used in 2017). Areas with fewer than 50 failures in a model aren't published, so an area is only compared when that leaves the all-vehicles figure at most 10% short; otherwise it shows –.

Median odometer reading at the 2025 MOT test, in miles. Half had more and half had less.

What MOT data can't tell you about any 2017 Mercedes-Benz GLA

Outstanding finance, write-offs, theft and plate changes aren't in MOT records. For a particular car, you need a history check.

Other Mercedes-Benz GLA years

• 2016 Mercedes-Benz GLA77.2%
• 2018 Mercedes-Benz GLA81.8%
• 2019 Mercedes-Benz GLA85.4%

Other cars first used in 2017

• 2017 Ford Fiesta74.5%
• 2017 Vauxhall Corsa68.4%
• 2017 Ford Focus80.8%
• 2017 Volkswagen Golf84.8%
• 2017 MINI Hatch84.9%