2018 Mercedes-Benz Gla-Class Safety Report
2018 Mercedes-Benz GLA-Class: Unrated for crash safety, faces recurring engine and transmission complaints with no recalls.
AI Safety Analysis for the 2018 Mercedes-Benz Gla-Class
Reliability Score
The 2018 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 2018 Mercedes-Benz Gla-Class
The following issues have been identified from NHTSA complaint data and owner reports for the 2018 Mercedes-Benz Gla-Class:
| Issue | Severity | Frequency | Typical Mileage |
|---|---|---|---|
| Cvt Transmission Failure/Malfunction Vehicle unexpectedly shifts into neutral, stalls, or experiences jerking/hesitation, creating a serious safety risk. Some complaints reference a class action lawsuit and recall for 2019 GLA 250 transmissions. |
High | Common | unknown miles |
| Crankcase Ventilation System (Pcv Valve) Failure Causes check engine light illumination (P052E code), jumps in acceleration, and pressure build-up. Owners report expensive repairs and question why it's not recalled like other Mercedes models. |
Medium | Common | 40000-70000 miles |
| Rear Differential Failure Grinding noises, clunking sounds at low speeds or backing up, and repeated failures reported, leading to costly repairs. |
High | Occasional | 44000-65000 miles |
| Electrical System Malfunctions Includes dashboard crashes, inability to read driver panel, non-functional sunroof electricals, and driver seat electrical issues. |
Medium | Occasional | unknown miles |
| Fuel Leakage/Odor Strong fuel smell seeping into the cabin, causing lightheadedness, or visible fuel leakage from the vehicle. One complaint referenced NHTSA Campaign Number: 21V961000 (Fuel System, Gasoline) but VIN was not included. |
High | Occasional | unknown miles |
| Sunroof Bonding/Electrical Issues Sunroof fails to close properly, raises up, or has water leakage due to bonding issues, requiring replacement. |
Medium | Occasional | unknown miles |
| Airbag Warning Light / Clockspring Failure Airbag warning light illuminated, diagnosed as a fractured clockspring in the steering column, rendering airbags inoperable. |
High | 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 2018 Mercedes-Benz Gla-Class:
Frequent complaints about PCV valve failure (P052E code), check engine light illumination, and fuel odors.
Significant issues with transmission malfunctions, including unexpected shifts to neutral, stalling, jerking, and rear differential failures.
Problems with dashboard functionality, sunroof electricals, and general warning light issues.
Airbag warning light illumination, specifically linked to clockspring failure.
Reports of fuel leakage and strong fuel odors inside the cabin.
Malfunctions with radar sensors, displaying 'Radar Sensors Dirty' warnings in mild weather conditions.
Frequently Asked Questions About the 2018 Mercedes-Benz Gla-Class
Is the 2018 Mercedes-Benz GLA-Class safe?
Based on NHTSA data, the 2018 Mercedes-Benz GLA-Class lacks official crash test ratings, making a definitive statement on its passive safety difficult. However, it has accumulated 45 complaints, including 3 crashes, 1 fire, and 1 injury, indicating potential safety risks. Recurring issues with the engine (PCV valve) and power train (transmission, rear differential) are concerning, especially given the absence of recalls for this model year despite similar issues being recalled in other Mercedes vehicles.
What are common problems with the 2018 Mercedes-Benz GLA-Class?
The most reported issues for the 2018 Mercedes-Benz GLA-Class are related to the ENGINE and POWER TRAIN, each accounting for 6 complaints. Specific common problems include crankcase ventilation system (PCV valve) failures, transmission malfunctions (e.g., unintended neutral shifts, stalling), and rear differential failures. Electrical system issues, airbag warning lights, and forward collision avoidance sensor malfunctions are also frequently reported.
Are there any recalls for the 2018 Mercedes-Benz GLA-Class?
According to NHTSA data, there are currently no recalls issued specifically for the 2018 Mercedes-Benz GLA-Class. This is notable as some complaints reference issues (like PCV valve and transmission problems) that have been subject to recalls in other Mercedes-Benz models or subsequent GLA-Class years.
How does the 2018 GLA-Class perform in crash tests?
The 2018 Mercedes-Benz GLA-Class has not received any official crash test ratings from NHTSA (Overall, Frontal, Side, Rollover are all N/A). Therefore, its crash test performance cannot be assessed based on this data.
Are there known transmission issues with the 2018 GLA-Class?
Yes, there are significant known transmission issues with the 2018 Mercedes-Benz GLA-Class, with POWER TRAIN being one of the top complaint categories (6 complaints). Owners report problems such as the car cutting off unexpectedly, shifting into neutral independently, losing power, and displaying 'Transmission Malfunction' warnings. Some complaints even reference a class action lawsuit and recall for the 2019 GLA 250 transmission, suggesting a broader design concern.
Buyer Advice
Our recommendation: Given the lack of crash test ratings and numerous complaints regarding critical engine and transmission components without recall support, potential buyers should proceed with caution and thoroughly inspect service records, especially for PCV valve and transmission repairs.
NHTSA Data Summary for 2018 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 2018 Mercedes-Benz Gla-Class. The data includes 45 consumer complaints filed by vehicle owners, 0 manufacturer-initiated safety recalls, 3 reported crashes, 1 fire incidents, 1 reported injuries, 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.