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May 3, 2024 Service bulletin

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

Mercedes-Benz technical service bulletin LI27.60-P-077704 for 2019-2022 Mercedes-Benz AMG GT53, 2020-2022 Mercedes-Benz AMG GT43 and 2019-2023 Mercedes-Benz AMG GT63 and others.

Bulletin number
LI27.60-P-077704 (LI27.60-P-077704)
Component
Power train
Summary
DSI selection lever module cannot be switched to park position "P" - malfunction of "P" button Note: Vehicle can still be placed into park by opening driver's door, or turning off ignition. Please refer to operator's manual section, "Engaging park position P," for additional instructions. Possible causes: 1. Contamination/ingress of dust 2. Short circuit due to ingress of water 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 (using contact cleaner) 7. Reassemble and check the functionality 8. If fault code still present after rework -- open TIPS Case (send to Body/Chassis/Entertainment Inbox)

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