Mercedes-Benz GLE Common Problems

ELECTRICAL SYSTEM

Owners of the 2020 Mercedes-Benz GLE frequently report issues related to electrical system malfunctions, particularly involving water intrusion and battery failures. Complaints often describe symptoms such as water entering the vehicle's footwell, leading to electrical shorts and malfunctioning components like the air conditioning and rearview camera. Battery-related issues, including 48V battery malfunctions and unexpected vehicle shutdowns, are also commonly noted, with some incidents occurring around 36,000 to 72,000 miles. Safety implications include potential fire hazards from wiring harness damage and loss of vehicle control due to battery failure, which could be critical for prospective buyers to consider.

Severity signals: 0 crash, 1 fire, 0 injury reports

ENGINE

Owners report frequent issues with the 2020 Mercedes-Benz GLE 350's engine, particularly related to cylinder head failures. Complaints frequently mention symptoms such as misfiring, rough idling, loss of power, and illuminated check engine lights, often occurring around 50,000 to 70,000 miles. Many describe the engine entering limp mode or failing to start, with some indicating complete engine seizures or overheating due to coolant system failures. Safety implications include sudden loss of power while driving, which poses risks of stalling in traffic. Buyers considering this model should be aware of potential high repair costs and the prevalence of these issues outside the warranty period.

ELECTRICAL SYSTEM

Owners of the 2021 Mercedes-Benz GLE frequently report issues with the electrical system, particularly related to the 48V battery and infotainment screen failures. Symptoms include sudden loss of power, complete vehicle shutdown, and blank infotainment screens, often occurring around 500 to 44,000 miles. Several complaints highlight safety implications, such as two fires, one crash with injuries, and instances of vehicles losing power on highways. Additionally, there are reports of burning odors and smoke, which precede some of the fire incidents. These patterns suggest potential reliability concerns for used car buyers considering this model.

Severity signals: 1 crash, 2 fire, 2 injury reports

ENGINE

Owners of the 2021 Mercedes-Benz GLE frequently report engine failures, often linked to issues with the cylinder head and misfires. Symptoms described include rough idling, loss of power, engine stalling, and misfire codes, with some instances occurring as early as 21,000 miles and others around 100,000 miles. Many complaints highlight the sudden nature of these failures, often without warning lights, and note that they can occur while driving, posing potential safety risks due to sudden loss of power or engine shutdown in traffic. Buyers considering this model should be aware of the reported need for costly engine repairs or replacements, often cited between $7,000 and $28,000, and the lack of a formal recall or warranty extension in the U.S. despite similar issues being acknowledged in other regions.

UNKNOWN OR OTHER

Owners of the 2021 Mercedes-Benz GLE report several issues under the unknown or other category, with a notable pattern of engine and powertrain problems. Common symptoms include sudden shaking, loss of power, and engine stalling, sometimes accompanied by the check engine light; these issues often occur around 57,000 to 68,000 miles. Another frequent complaint involves the sunroof glass panel unexpectedly shattering, leading to potential safety risks. Additionally, water ingress and air conditioning leaks are reported, which could pose electrical risks. One complaint involves a crash due to sudden vehicle stoppage on the highway, highlighting significant safety implications.

Severity signals: 1 crash, 0 fire, 0 injury reports

VEHICLE SPEED CONTROL

Owners of the 2020 Mercedes-Benz GLE frequently report issues with the vehicle speed control system, particularly involving the adaptive cruise control and 48V battery system. Complaints often describe harsh or unexpected braking when using adaptive cruise control, sometimes triggered by misreading speed limit signs or detecting non-existent obstacles, which could lead to potential rear-end collisions. Additionally, several owners mention a loss of throttle response or power, sometimes linked to overheating or malfunctioning of the 48V battery system, resulting in the vehicle becoming unresponsive or slowing down unexpectedly. These issues appear across various mileage ranges and are noted for their potential safety risks, especially on highways or in busy traffic. Buyers considering this model should be aware of these reported symptoms and the potential for sudden loss of vehicle control.

POWER TRAIN

Owners of the 2018 Mercedes-Benz GLE frequently report issues with the transmission, particularly difficulties in shifting gears. Common symptoms include the inability to shift from Park to other gears, or from Drive to Reverse, often requiring the engine to be restarted to resolve the issue temporarily. These problems are noted to occur around 60,000 miles and have persisted over several years for some owners. A crash incident is reported where the vehicle lunged forward unexpectedly from a stop, resulting in a collision. Additionally, one complaint mentions the vehicle rolling when the engine is shut off while still in Drive, posing a safety risk. These issues highlight potential safety concerns and operational inconveniences that prospective buyers should consider.

Severity signals: 1 crash, 0 fire, 0 injury reports

ENGINE

Owners report that the 2022 Mercedes-Benz GLE experiences engine-related issues, with several complaints highlighting defective cylinder heads. Symptoms frequently described include check engine lights, loss of power, stalling, and the vehicle entering limp mode. These issues often arise at varying mileage, with some occurring as early as 10,000 miles. Safety implications are noted, as some reports involve sudden engine stalls while driving, posing risks of accidents. Buyers considering a used model should be aware of these potential engine problems and the associated repair costs.