2018 Mercedes-Benz GLA-Class reliability
The 2018 Mercedes-Benz GLA-Class has 51 complaints with NHTSA after 9 years, or 3 per year. That is more complaints per year than most GLA-Class years here — over the median of the other years, which is 1. NHTSA has no recalls on file for this model year.
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The complaints owners file most often name Electrical system (11 of 51), then Engine (10) and Air bags (6). Those filings include 3 that report a crash, 1 that reports a fire, and 1 that reports an injury.
The 2017 GLA-Class has 33 complaints, 3 per year, and the 2019 has 0 complaints, 0 per year. The 2018 has about the same number of complaints per year as the 2017. The 2018 has more complaints per year than the 2019.
The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2018 Mercedes-Benz GLA-Class. How we count. Data as of .
Recalls (0)
No recalls on file with NHTSA for this model year.
Complaints by component (51 total)
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Complaints filed per year
Excerpts from recent NHTSA complaint filings
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"My vehicle is a 2018 Mercedes-Benz GLA 250 4Matic with 79,779 miles. It is actively experiencing the severe, hazardous drivability issues detailed in your filings—specifically, unexpectedly rejecting gears and shifting…"
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"After the vehicle's main battery fully discharged and the vehicle was jump-started, multiple SRS / driver airbag warnings appeared immediately, the horn and steering wheel controls stopped working, and a clicking noise…"
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"Sunroof glass exploded without warning while driving at highway speed. Glass shards poured throughout the vehicle including on the driver, potentially putting the vehicle and other vehicles in danger."
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"The instrument cluster would fail intermittently, the speedometer would be my accurate speed, and then suddenly 0. Same for RPMs, gas, etc. Then after a period of time they would work again. Some times is was just…"
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"I am filing a complaint regarding my 2018 Mercedes-Benz GLA 250. My vehicle recently triggered a check engine light and was diagnosed by an independent mechanic with code P052E, related to the positive crankcase…"
NHTSA crash ratings
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2018 Mercedes-Benz GLA-Class 4 DR 4WD | Not rated | Not rated | Not rated | Not rated |
| 2018 Mercedes-Benz GLA-Class 4 DR FWD | Not rated | Not rated | Not rated | Not rated |
Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.
Specs and fitment
Known issues for this generation
NHTSA complaints on 2016 GLA filings most often name the engine, with air bags and the electrical system also among top components. Complaints on 2019 GLA filings most often name the power train, steering, and air bags.
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Frequently asked questions
Is the 2018 Mercedes-Benz GLA-Class reliable?
The 2018 Mercedes-Benz GLA-Class has 51 complaints with NHTSA after 9 years, or 3 per year. That is more complaints per year than most GLA-Class years here — over the median of the other years, which is 1. NHTSA has no recalls on file for this model year.
What are common problems with a 2018 Mercedes-Benz GLA-Class?
The complaints owners file most often name Electrical system (11 of 51), then Engine (10) and Air bags (6). Those filings include 3 that report a crash, 1 that reports a fire, and 1 that reports an injury.
Is the 2018 Mercedes-Benz GLA-Class more reliable than the years next to it?
The 2017 GLA-Class has 33 complaints, 3 per year, and the 2019 has 0 complaints, 0 per year. The 2018 has about the same number of complaints per year as the 2017. The 2018 has more complaints per year than the 2019.
Has the 2018 Mercedes-Benz GLA-Class been recalled?
NHTSA has no recalls on file for the 2018 Mercedes-Benz GLA-Class.
How many complaints have owners filed about the 2018 Mercedes-Benz GLA-Class?
Owners have filed 51 complaints about the 2018 Mercedes-Benz GLA-Class with NHTSA.
What oil does a Mercedes-Benz GLA 250 take?
X156 GLA 250 lists 0W-30/0W-40/5W-30/5W-40 (~5.9 qt); H247 GLA 250 lists 0W-20/0W-30/0W-40 (~5.8 qt). Verify the MB sheet on the container.
What components show up most in NHTSA complaints on the GLA?
On 2016 filings the engine is named most often, with air bags and the electrical system also among top components; 2022 filings also name the engine and forward-collision avoidance.
Which GLA generations does this site track?
X156 (2015-2020) and H247 (2021-on).