Vehicle Data Hub

2021 Mercedes-Benz GLE 450 problems

The 2021 Mercedes-Benz GLE 450 has 28 complaints on file with NHTSA. The largest share (32%) concerns electrical system. After that come engine (25%) and forward collision avoidance (11%).

At a glance

Complaints
28 filed with NHTSA
Most reported
Electrical system 32% of complaints
Crashes and fires
0 and 0
Injuries and deaths
0 and 0

Source: NHTSA owner complaints

Where the complaints are

Share of this model year's complaints by the part of the car involved. One complaint can name more than one part, so the shares can add up to more than 100%.

  • Electrical system 32%
  • Engine 25%
  • Forward collision avoidance 11%
  • Drivetrain & axles 7%
  • Cruise control 4%
  • Lighting 4%
  • Transmission 4%
  • Wipers, windshield & visibility 4%

What the data shows

None of these complaints report a crash, fire, injury or death. Its complaints are less severe on average than those of 100% of model years in our database.

It is also covered by 17 safety recall campaigns.

What owners wrote

A few complaints as filed, shortened and with personal details removed. The first ones are among the most serious reports for this model year; the rest are typical.

The 48v battery after driving new vehicle only 230 miles goes dead. The auto will not start and cannot be jump started. Result is being stranded roadside. Required a tow. Mercedes says dead battery (brand new) needs to be replaced. Battery went dead on december 10. Dealer tells me no batteries are available in the us. A battery is promised for delivery from germany on or about january 11, 2021.

Reported at 230 miles, December 2020

There are numerous reports of the 48v battery failing on multiple mercedes models using the 6 cylinder with isg engine. Mercedes should do a recall to replace all 48v batteries as this problem makes the cars unreliable and unsafe to use as sometimes this 48v battery system fails while driving.

May 2021

The contact owns a 2021 Mercedes-Benz GLE450. The contact stated while driving at various speeds the vehicle loss motive power. The 48V battery malfunction and coolant hot turn-off vehicle message were displayed on the instrument panel. The battery indicator warning light was illuminated. The vehicle was taken to the local dealer and diagnosed with a software issue. The contact was informed that the software needed to be updated. The vehicle was repaired however, the failure recurred.

Reported at 3,000 miles, May 2021

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 approximately 90 days later. The vehicle was towed to the same dealer who diagnosed that the battery needed to be replaced. The vehicle was repaired. The manufacturer was made aware of the failure.

Reported at 13,525 miles, November 2022

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