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October 23, 2024 Service bulletin

DSI selection lever module cannot be switched to park position "P"

Mercedes-Benz technical service bulletin LI27.60-P-077704 for 2017-2021 Mercedes-Benz AMG GT, 2019-2023 Mercedes-Benz AMG GT53 and 2021-2024 Mercedes-Benz AMG GT43 and others.

Bulletin number
LI27.60-P-077704
Component
Power train
Summary
Complaint DSI selection lever module cannot be switched to park position "P" - malfunction of "P" button. Vehicle will shift into park automatically at ignition off or with opening the driver door. Cause Possible causes: 1. Contamination/ingress of dust 2. Short circuit due to ingress of water Note: This repair may not be covered by warranty due to outside influence. Remedy Clean printed circuit board under plastic housing and button "P": 1. Remove DSI (AR27.60-P-0901FRX) 2. Remove housing of DSI (see picture 1) 3. Remove cover around "P" button above printed circuit board (see picture 2) 4. Check printed circuit board: Liquid residues and/or contamination (cf. picture 3) 5. Check "P" button: Water residues and/or contamination (cf. picture 4) 6. Carefully clean the affected areas. We recommend an electrical contact cleaner such as BW-100 or CRC QD Electronic Cleaner as example. 7. Assemble and check for proper function

Owners of these vehicles have filed 5 complaints in the transmission category.

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