2020 Mercedes-Benz Gla-Class Safety Report
2020 Mercedes-Benz GLA-Class lacks crash ratings, shows concerning reports of critical component failures.
AI Safety Analysis for the 2020 Mercedes-Benz Gla-Class
Reliability Score
The 2020 Mercedes-Benz Gla-Class receives a reliability score of 45 out of 100 based on analysis of NHTSA complaint data, recall history, crash reports, and safety ratings. This indicates average reliability — some notable concerns exist that prospective buyers should be aware of.
Known Issues for the 2020 Mercedes-Benz Gla-Class
The following issues have been identified from NHTSA complaint data and owner reports for the 2020 Mercedes-Benz Gla-Class:
| Issue | Severity | Frequency | Typical Mileage |
|---|---|---|---|
| Transmission Sudden Gear Change/Lurching Vehicle suddenly lurches to a stop or switches from Drive to Park while driving, or switches to 'M1' causing engine revving and slowing. |
High | Occasional | unknown miles |
| Power Steering Failure Steering wheel went out on a freeway, almost causing a collision, reported to have happened twice. |
High | Rare | unknown miles |
| Panoramic Sunroof Explosion Sunroof spontaneously exploded while driving on the expressway, creating a loud noise and wind. |
Medium | Rare | unknown miles |
| Rear Differential Assembly Failure Rear differential assembly needs replacement due to shuddering and poor driving, described as a 'very common defect' by owners. |
High | Occasional | 44000-61000 miles |
| Engine Check Light And Rumbling Sound Check engine light illuminated with a loud rumbling sound, diagnosed as needing a new engine. |
Medium | Rare | unknown miles |
| Strong Gas Odor And Sudden Deceleration/Surging Strong gas odor inside the car and intermittent sudden deceleration and surging speed while cruising. |
Medium | Rare | unknown miles |
Common Problems Reported by Owners
Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2020 Mercedes-Benz Gla-Class:
Three out of eight complaints fall into this category, indicating diverse issues not fitting standard classifications, including sunroof explosion and vehicle not starting via cell phone.
Two complaints directly relate to the power train, specifically transmission issues like sudden gear changes and rear differential failure.
One complaint explicitly mentions engine issues, including a check engine light, rumbling sound, and diagnosis of needing a new engine.
One complaint details power steering failure on a freeway, a critical safety concern.
One complaint describes a strong gas odor and issues with sudden deceleration/surging, pointing to fuel system or propulsion problems.
Frequently Asked Questions About the 2020 Mercedes-Benz Gla-Class
Is the 2020 Mercedes-Benz GLA-Class safe?
Based on NHTSA data, the 2020 Mercedes-Benz GLA-Class has no official safety ratings (Overall, Frontal, Side, Rollover), making it impossible to assess its crashworthiness. While there are only 8 total complaints with no reported crashes or injuries, several complaints describe severe safety-critical failures like sudden transmission issues and power steering loss, which are significant concerns.
What are common problems with the 2020 Mercedes-Benz GLA-Class?
The most reported issues, despite the low complaint volume, include critical power train problems like sudden transmission gear changes (lurching to a stop or switching to Park) and premature rear differential failure. Other significant problems reported are power steering failure, panoramic sunroof explosion, and engine issues requiring replacement.
Has the 2020 Mercedes-Benz GLA-Class been recalled?
According to NHTSA data, the 2020 Mercedes-Benz GLA-Class has had 0 recalls. This is notable given some of the severe safety-related complaints, such as power steering failure and transmission issues.
Are there any known transmission issues with the 2020 Mercedes-Benz GLA-Class?
Yes, there are reports of severe transmission problems, including the vehicle suddenly lurching to a stop or changing gears from Drive to Park while in motion, and switching to 'M1' causing erratic engine behavior. These are described as serious safety issues by complainants.
What should I know about the rear differential on the 2020 Mercedes-Benz GLA-Class?
Several complaints highlight premature rear differential assembly failure, with one owner stating it's a 'very common defect' for GLA250s and can be catastrophic if not addressed. Repairs are costly, estimated at $6100, and Mercedes-Benz has reportedly refused to replace it for some owners.
Buyer Advice
Our recommendation: Given the lack of official crash test ratings and reports of severe, safety-critical component failures like transmission and power steering issues, potential buyers should exercise caution and thoroughly investigate the vehicle's service history, especially for power train and steering components.
NHTSA Data Summary for 2020 Mercedes-Benz Gla-Class
This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2020 Mercedes-Benz Gla-Class. The data includes 8 consumer complaints filed by vehicle owners, 0 manufacturer-initiated safety recalls, and safety rating assessments associated with this vehicle.
All data presented in this report is sourced from public NHTSA databases. Our AI analysis identifies patterns across complaint narratives, correlates them with recall history, and produces the safety assessment above. This analysis is updated as new complaints and recalls are filed with the NHTSA.
Consumers are encouraged to report vehicle safety problems to the NHTSA at nhtsa.gov. If your vehicle is subject to a recall, contact your dealer to schedule the free repair.