2020 Mercedes-Benz GLA-Class problems
Light NHTSA footprint — 11 owner complaints. Either a clean record or thin data; we'll show what's there.
Selling this one? Make a free for-sale sign with its recall record and a QR code.
The 2020 Mercedes-Benz GLA-Class has 11 NHTSA owner complaints on file (U.S. federal records, as of October 2026). Source: NHTSA Office of Defects Investigation.
| Model year | Owner complaints | Recalls |
|---|---|---|
| 2017 GLA-Class | 35 | 0 |
| 2018 GLA-Class | 52 | 0 |
| 2020 GLA-Class (this page) | 11 | 0 |
| 2021 GLA-Class | 23 | 0 |
| 2022 GLA-Class | 4 | 0 |
| 2023 GLA-Class | 8 | 0 |
Above-average reliability for the segment. Few systemic issues on file.
Buyable on the data — keep up the usual maintenance and inspect normally.
- No systemic severe-failure pattern in the complaint record
- Reliability score 8.8/10 — 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.
Ask anything about your 2020 Mercedes-Benz GLA-Class
A noise, a warning light, a repair quote, "should I buy this?" — get an answer grounded in this vehicle's actual NHTSA record, not generic advice.
Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.
What owners are saying recent NHTSA-filed complaints · verbatim
The contact owns a 2020 Mercedes-Benz GLA250. The contact stated that while driving 35-40 MPH, the check engine warning light illuminated. There was an abnormally loud rumbling sound heard. The contact pulled over and restarted the vehicle. The vehicle was taken to the local…
Vehicle: 2020 Mercedes-Benz GLA 250 VIN: [XXX] I am filing a safety complaint regarding a severe, recurring defect in the Electronic Parking Brake (EPB) and vehicle braking system. On three separate occasions, the vehicle has malfunctioned while driving, dangerously creating an…
My Mercedes Benz GLA250 has a faulty rear differential and began shuddering and driving poorly when it had 44K miles on it. This is a very premature failure as diagnosed by two repair shops and is happening to thousands of this model Mercedes Benz. The damage can be catastrophic…
I have a 2020 GLA 250 4 matic mileage 62000 with a rear differential failure Was confirmed by a dealer. Mercedes is aware of this problem, there should be a safety recall before someone gets hurt.
Common questions
Is the 2020 Mercedes-Benz GLA-Class reliable?
Mostly yes. With a reliability score of 8.8 out of 10 based on 11 owner complaints filed with NHTSA, the 2020 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 2020 Mercedes-Benz GLA-Class?
On the NHTSA data, the 2020 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 8.8/10 — above the segment average. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
What should I check before buying a used 2020 Mercedes-Benz GLA-Class?
There isn't enough NHTSA complaint data on the 2020 Mercedes-Benz GLA-Class to flag a standout failure pattern. Run the VIN for open recalls — those are free to fix regardless of warranty — get a standard pre-purchase inspection, and ask the seller for service records.
Is the 2020 Mercedes-Benz GLA-Class a good used car to buy?
It scores 8.8 out of 10 on our NHTSA-based read of 11 owner complaints. Priced fairly and clean on inspection, it's a reasonable used buy. Our data covers what this model is known for — pair it with a vehicle-history report on the VIN to see what that specific car has been through.
What's the most common problem on the 2020 Mercedes-Benz GLA-Class?
No problem area has crossed our reporting threshold yet, which is a good sign for this vehicle.
What's the most expensive thing that goes wrong?
Major repair items haven't been flagged often enough on this vehicle to single one out.
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 2020 Mercedes-Benz GLA-Class?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 11 complaints on file, 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.