2021 Mercedes-Benz Gle-Class Safety Report

2021 Mercedes-Benz GLE-Class plagued by critical engine and electrical failures, leading to stalls and fires, with no safety ratings or recalls.

77Complaints
0Recalls
30/100Reliability Score
3Crash Reports
2Fire Reports
6Injuries
Most reported components: Engine (14)Electrical System (9)Unknown Or Other (8)Electrical System,Engine (8)Power Train (4)Visibility (4)Power Train,Unknown Or Other,Engine (2)Power Train,Electrical System,Engine (2)Forward Collision Avoidance (2)Electrical System,Vehicle Speed Control,Engine (2)

AI Safety Analysis for the 2021 Mercedes-Benz Gle-Class

The 2021 Mercedes-Benz GLE-Class exhibits a concerning safety profile, primarily due to a high number of critical engine and electrical system failures, despite having no official NHTSA safety ratings or recalls. With 77 total complaints, including 3 crashes, 2 fires, and 6 injuries, the vehicle demonstrates significant reliability issues that directly impact safety. A substantial 23% of complaints are related to the ENGINE, with numerous reports detailing sudden engine stalls, loss of power, and complete engine failures while driving, often attributed to cylinder head issues (M264 engine) and 48-volt electrical system malfunctions. These incidents have led to dangerous situations, including near-miss accidents and vehicles becoming disabled in traffic. Beyond engine problems, the ELECTRICAL SYSTEM accounts for 9% of complaints, with additional reports combining ELECTRICAL SYSTEM and ENGINE issues (8%). These often involve the vehicle entering a 'reduced-power' or 'limp' mode, dashboard error lights, and complete electrical shutdowns. Other notable issues include power train malfunctions (4%), visibility problems (4%) such as non-functional backup cameras and windshield wiper fluid issues, and even spontaneous vehicle fires. The lack of NHTSA crash test ratings makes it difficult to assess its passive safety performance, but the active safety failures, particularly sudden engine shutdowns, pose a severe risk. The absence of recalls for these widely reported and critical issues, especially the M264 cylinder head problem which is acknowledged in other regions, is a significant concern. The recurring nature of these failures, sometimes even after dealer repairs, suggests a systemic defect. While the vehicle has not been rated by NHTSA for crashworthiness, the prevalence of complaints related to sudden loss of motive power and electrical failures indicates a substantial risk to occupants and other road users, making its overall safety picture problematic.

Reliability Score

The 2021 Mercedes-Benz Gle-Class receives a reliability score of 30 out of 100 based on analysis of NHTSA complaint data, recall history, crash reports, and safety ratings. This indicates below-average reliability. Significant issues have been reported by owners and should be carefully evaluated before purchase.

Known Issues for the 2021 Mercedes-Benz Gle-Class

The following issues have been identified from NHTSA complaint data and owner reports for the 2021 Mercedes-Benz Gle-Class:

IssueSeverityFrequencyTypical Mileage
Engine Cylinder Head Failure (M264 Engine)
Numerous reports of sudden engine stalls, loss of power, rough idle, and check engine lights due to cylinder head defects, sometimes requiring full engine replacement. This is a known issue globally, but no US recall.
High Common 22000-49000 miles
48-Volt Electrical System Failure
Failure of the 48-volt electrical architecture, including the DC/DC converter, leading to complete vehicle shutdown, loss of acceleration, and inability to start.
High Occasional unknown miles
Sudden Loss Of Acceleration/Power
Vehicle unexpectedly enters a reduced-power or 'limp' mode while driving, often accompanied by warning lights, posing a significant safety hazard in traffic.
High Common unknown miles
Vehicle Stalling While Driving
Engine suddenly shuts off completely while driving at various speeds, leading to loss of power steering and brakes, and near-miss accidents.
High Common unknown miles
Transmission Control Unit Failure
Transmission control unit failing, causing the vehicle to go into 'limp' mode, sudden loss of power, and inability to shift gears.
High Occasional unknown miles
Spontaneous Vehicle Fire
At least two reports of the vehicle catching fire while parked, with one instance completely burning the vehicle.
High Rare unknown miles
Visibility System Malfunctions
Issues with backup cameras displaying black screens and windshield wiper fluid not pumping, impairing driver visibility.
Medium Occasional unknown miles
Sunroof Noise/Seal Issues
Loud, high-pitched noises from the sunroof at speed or in windy conditions, potentially due to bad seals or misalignment, and risk of leaking.
Low Occasional unknown miles

Common Problems Reported by Owners

Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2021 Mercedes-Benz Gle-Class:

Engine 23% of complaints

Frequent reports of engine stalls, loss of power, check engine lights, and complete engine failures, often linked to cylinder head defects and 48-volt system issues.

Electrical System 9% of complaints

Problems include dashboard error lights, vehicle entering limp mode, complete electrical shutdowns, and issues with the 48-volt system.

Unknown Or Other 8% of complaints

A significant portion of complaints fall into a general category, indicating various unclassified or complex issues.

Electrical System,Engine 8% of complaints

Combined electrical and engine issues, often manifesting as sudden power loss or vehicle shutdown.

Power Train 4% of complaints

Reports of transmission control unit failures, jerking, bucking, and inability to shift gears.

Visibility 4% of complaints

Issues with backup cameras and windshield wiper fluid delivery, impacting driver visibility.

Frequently Asked Questions About the 2021 Mercedes-Benz Gle-Class

Is the 2021 Mercedes-Benz GLE-Class safe?

Based on NHTSA complaint data, the 2021 Mercedes-Benz GLE-Class has significant safety concerns. With 77 complaints, including 3 crashes, 2 fires, and 6 injuries, and numerous reports of sudden engine stalls and electrical failures, its active safety performance is highly questionable. The lack of NHTSA crash test ratings further complicates a full safety assessment.

What are common problems with the 2021 Mercedes-Benz GLE-Class?

The most reported issues are critical engine failures (23% of complaints), often related to cylinder head defects and the 48-volt electrical system, leading to sudden stalls and loss of power. Electrical system malfunctions (9%) and power train issues (4%) are also frequently cited, along with visibility problems and even spontaneous fires.

Are there any recalls for the 2021 Mercedes-Benz GLE-Class?

No, according to the provided data, there are currently no recalls issued by NHTSA for the 2021 Mercedes-Benz GLE-Class, despite numerous complaints about critical safety-related defects like engine stalls and fires.

How does the 2021 Mercedes-Benz GLE-Class perform in crash tests?

NHTSA has not provided any overall, frontal, side, or rollover safety ratings for the 2021 Mercedes-Benz GLE-Class, making it impossible to assess its crash test performance based on this data.

What should I do if my 2021 Mercedes-Benz GLE-Class experiences sudden engine failure?

If your 2021 Mercedes-Benz GLE-Class experiences sudden engine failure or loss of power, pull over safely as soon as possible. Document the incident thoroughly, including any dashboard warnings. Contact Mercedes-Benz for diagnosis and repair, and consider filing a complaint with NHTSA to contribute to the safety database.

Buyer Advice

Our recommendation: Given the high number of critical engine and electrical failures, including stalls and fires, and the absence of recalls or crash test ratings, exercise extreme caution when considering a 2021 Mercedes-Benz GLE-Class; a thorough pre-purchase inspection by a Mercedes-Benz specialist is essential, focusing on the engine and electrical systems.

NHTSA Data Summary for 2021 Mercedes-Benz Gle-Class

This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2021 Mercedes-Benz Gle-Class. The data includes 77 consumer complaints filed by vehicle owners, 0 manufacturer-initiated safety recalls, 3 reported crashes, 2 fire incidents, 6 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.