Mercedes-Benz GLA-Class problems
Light NHTSA footprint — 46 owner complaints. Either a clean record or thin data; we'll show what's there.
Solid reliability overall. Common issues are concentrated in a few systems.
Buyable on the data — keep up the usual maintenance and inspect normally.
- No systemic severe-failure pattern in the complaint record
- Reliability score 8.2/10 — above the segment average
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
Top trouble spots 4 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
My vehicle has been taken to the Mercedes dealership multiple times from 2/24/25 -12/14/25 (10 Mths) for the following issues and still no resolution to the problem. Each time they say they've fixed the issues we get the car home and end up bringing it back a couple days later…
You would always need to think and search where you are going to invest your money regardless of car brand name... Yes, non of the (8) airbags equipped in my brand new 2018 car, as claimed by Mercedes benz (distributed in various locations within the car), along with the modern…
The contact owns a 2018 Mercedes-Benz GLA250. The contact stated while his mother was driving 45 MPH, the message that reverse was not available was displayed. The contact stated that the vehicle shifted into neutral independently and the ABS inadvertently engaged. The contact…
I was driving on the freeway and the transmission shifted into neutral and the car lost power. The Red malfunction lights came on and said transmission malfunction, DO NOT SHIFT, STOP driving immediately, contact dealer. There is a class action lawsuit and a RECALL on the…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2018 Mercedes-Benz GLA-Class reliable?
Mostly yes. With a reliability score of 8.2 out of 10 based on 46 owner complaints filed with NHTSA, the 2018 Mercedes-Benz GLA-Class is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
Should you avoid the 2018 Mercedes-Benz GLA-Class?
On the NHTSA data, the 2018 Mercedes-Benz GLA-Class does not need avoiding. Buyable on the data — keep up the usual maintenance and inspect normally. The record behind that call: No systemic severe-failure pattern in the complaint record; Reliability score 8.2/10 — above the segment average. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
What's the most common problem on the 2018 Mercedes-Benz GLA-Class?
Based on NHTSA records, the most-reported issue is electrical, with 9 complaints filed. Typical failure occurs around 28,398 miles. Average repair cost runs about $850 at an independent shop.
What's the most expensive thing that goes wrong?
The electrical is one of the costlier repair items. Average repair cost runs about $850 at an independent shop. Typical failure occurs around 28,398 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Mercedes-Benz GLA-Class has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2018 Mercedes-Benz GLA-Class?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 46 complaints on file and the costliest repair averaging $850, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.