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.

45Complaints
0Recalls
45/100Reliability Score
3Crash Reports
1Fire Reports
1Injuries
Most reported components: Engine (6)Power Train (6)Electrical System (4)Air Bags (3)Visibility (2)Engine And Engine Cooling (2)Fuel/Propulsion System (2)Forward Collision Avoidance (2)Electrical System,Exterior Lighting,Unknown Or Other (1)Structure,Unknown Or Other (1)

AI Safety Analysis for the 2018 Mercedes-Benz Gla-Class

The 2018 Mercedes-Benz GLA-Class presents a mixed safety picture based on NHTSA data. While there are no official NHTSA crash test ratings available (Overall, Frontal, Side, Rollover are N/A), the vehicle has accumulated 45 total complaints. These complaints include 3 reported crashes, 1 fire, and 1 injury, indicating that some issues have led to serious incidents. A significant concern is the lack of any recalls for this specific model year, despite several complaints referencing issues that have been subject to recalls in other Mercedes-Benz models or subsequent GLA-Class years, such as the crankcase ventilation system (PCV valve) and transmission control module defects. This suggests potential unaddressed safety concerns. Common complaint patterns revolve heavily around the ENGINE and POWER TRAIN, each accounting for 6 complaints. Specific issues include PCV valve failures leading to check engine lights and performance issues, transmission shifting problems (including unintended shifts to neutral and stalling), and rear differential failures. Electrical system issues are also notable with 4 complaints, encompassing dashboard malfunctions, sunroof electrical failures, and general warning light illumination. Airbag system complaints (3) and forward collision avoidance system malfunctions (2) also point to potential safety system deficiencies. The absence of official crash test ratings makes it difficult to assess passive safety performance. However, the active safety systems, such as forward collision avoidance, have generated complaints about sensor reliability. The recurring nature of certain problems, particularly the PCV valve and transmission issues, which are sometimes linked to recalls in other models, raises questions about the manufacturer's response to known defects. The overall safety picture is one of concern due to the reported incidents, the nature of the mechanical and electrical failures, and the lack of recall action for this specific model year.

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:

IssueSeverityFrequencyTypical 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:

Engine 13% of complaints

Frequent complaints about PCV valve failure (P052E code), check engine light illumination, and fuel odors.

Power Train 13% of complaints

Significant issues with transmission malfunctions, including unexpected shifts to neutral, stalling, jerking, and rear differential failures.

Electrical System 9% of complaints

Problems with dashboard functionality, sunroof electricals, and general warning light issues.

Air Bags 7% of complaints

Airbag warning light illumination, specifically linked to clockspring failure.

Fuel/Propulsion System 4% of complaints

Reports of fuel leakage and strong fuel odors inside the cabin.

Forward Collision Avoidance 4% of complaints

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.