Reliability Report · Multi-Source Data

Mercedes-Benz GLA-Class (2015–2017) Reliability

The Mercedes-Benz GLA-Class (2015–2017) scores 75/100 on our composite reliability index — good territory — drawn from DVSA, NHTSA data. Estimated used prices span €9,500–€17,700.

Composite Score
75
/ 100
Good
Sources: DVSA · NHTSA · latest 2026
Market Snapshot
Listed model years20152017
Est. used price€9,500€17,700
Documented issues0
Listings in catalogue9
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Buying a Mercedes-Benz GLA-Class? Check its VIN history first

Reliability data covers the model. A VIN history report covers the exact Mercedes-Benz GLA-Class you're looking at — accident and write-off records, mileage rollback, outstanding finance and theft checks.

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Reliability by Source

Each independent organization measures reliability differently. TÜV reports inspection defect rates by age band. ADAC reports pan-European breakdowns per 1,000 vehicles. NHTSA aggregates US consumer complaints. DVSA MOT data is the UK fleet's annual safety inspection — every car 3+ years old. Lower variance across sources = higher confidence in the composite.

NHTSA (US Complaints)
Model years 2013–2019 · 2026 report · n=225
225 complaints across 4 sampled year(s); resolved model="GLA-CLASS"
View source ↗
61
/ 100
DVSA MOT (UK Inspections)
Model years 2010–2021 · 2024 report · n=111161
111,161 UK MOT tests · overall 12.5% fail rate vs UK fleet baseline
View source ↗
82
/ 100
DVSA MOT (UK Inspections)
Model years 2014–2020 · 2023 report · n=63677
63,677 UK MOT tests · overall 12.3% fail rate vs UK fleet baseline
View source ↗
77
/ 100

UK MOT Reliability Detail

Based on 111,161 MOT tests in the UK during the 2024 reporting period. Score for each age band reflects this model's fail rate vs the UK-fleet baseline fail rate at the same age — a generation-aware metric.

Age 35 yrs
74
9.9% fail vs 10.9% fleet
21,052 tests
Age 69 yrs
83
13.1% fail vs 19.2% fleet
83,512 tests
Age 1014 yrs
92
14.2% fail vs 32.1% fleet
6,597 tests

Most Common MOT Failure Categories

#1
Linkage ball joint dust cover
6,247
25.9%
#2
Condition
5,064
21.0%
#3
Joints
4,669
19.4%
#4
Wipers
4,074
16.9%
#5
Ball joint dust cover
4,045
16.8%

Categories ranked across all MOT tests of this model in the UK during the 2024 period. "Condition" covers cosmetic / wear issues; suspension and braking dominate the rest.

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