Electrical system: wiring
Risk. An air bag that does not deploy properly can increase the risk of injury in the event of a crash.
NHTSA has logged 15 owner complaints about the 2021 Mercedes-Benz GLE 450, most often about the electrical system. It is covered by 17 safety recalls, and for recall 24V-118 the manufacturer reports only 80% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through August 12, 2026. Updated daily.
15 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Electrical system | 9 | 0 |
| Engine | 7 | 0 |
| Power train | 3 | 0 |
| Exterior lighting | 1 | 0 |
| Visibility/wiper | 1 | 0 |
| Vehicle speed control | 1 | 0 |
| Forward collision avoidance | 1 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. An air bag that does not deploy properly can increase the risk of injury in the event of a crash.
Risk. An overheated ground connection can increase the risk of a fire.
Risk. An engine stall increases the risk of a crash.
Risk. An overheated ground connection can increase the risk of a fire.
Risk. A loss of drive power can increase the risk of a crash.
Risk. Water intrusion into the foot wells may cause corrosion and/or short circuits to electrical components, increasing the risk of fire.
Risk. A loss of steering control can increase the risk of a crash.
Risk. Detached trim bars may cause a road hazard and increase the risk of a crash or injury.
Risk. A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency…
Risk. An overheated electrical cable can increase the risk of a fire.
Risk. Loose ground connection bolts on the electric heater may cause the wiring to overheat, increasing the risk of a fire.
Risk. Incorrectly adjusted headlights may reduce visibility, increasing the risk of a crash.
Risk. A backup camera that displays a blank image reduces the driver's rear view, increasing the risk of a crash or injury.
Risk. If the vehicle unexpectedly pulls to one side during an evasive maneuver, it can increase the risk of a crash.
Risk. Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
Risk. An unrestrained occupant has an increased risk of injury in the event of a crash.
Risk. If the interior switches are not illuminated, they may be more difficult to find and operate, increasing the risk of a crash.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the GLE 450 median. How we score
Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.
Driving down a multi-lane highway at 70 mph, a 48V battery malfunction warning goes off as well as the yellow check engine light. A few seconds later a ‘coolant’ error alert pops up. SUV loses acceleration with power dropping from 70 mph to 55 mph to 35 mph. Another message displayed on screen…
The contact owns a 2021 Mercedes-Benz GLE450. The contact stated that on two separate occasions the vehicle failed to start on the initial attempt. The vehicle was towed to dealer who diagnosed that the firmware needed to be updated. The vehicle was repaired. The failure recurred a second time…
Car shut itself off in rush hour traffic. Slight Smokey smell. Dash light indicating a 48 Volt problem. Got vehicle towed to dealership.
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.