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Mercedes-Benz GLS 450 Recall 24V118: Transmission May Not Downshift, Causing Engine Stall

NHTSA campaign 24V118, reported February 16, 2024, 105,071 vehicles potentially affected.

What this recall means for you

Certain 2020-2023 Mercedes-Benz GLE 450 and GLS 450 vehicles may have a transmission that does not fully downshift under some conditions. When this happens, the engine can stall.

An engine stall can cause a loss of power at a time when you may need it, which increases the risk of a crash. Owners of affected vehicles should take this seriously.

The remedy is free. An authorized Mercedes-Benz dealer will update the transmission control unit software at no charge. Owners were notified by letter mailed March 29, 2024, and can also contact Mercedes-Benz USA customer service at 1-800-367-6372. You can check your vehicle's VIN for open recalls at no cost.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 24V118Mercedes-Benz USA, LLC
Component
POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE
Problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2023 GLE 450 and GLS 450 vehicles. The transmission may not fully downshift in certain conditions, causing the engine to stall.
Risk
An engine stall increases the risk of a crash.
Remedy
Dealers will update the transmission control unit software, free of charge. Owner notification letters were mailed March 29, 2024. Owners may contact MBUSA customer service at 1-800-367-6372.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Affected vehicles

Mercedes-Benz GLE 4502020202120222023
Mercedes-Benz GLS 45020202021
Mercedes-Benz GLS 450 4MATIC20222023