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June 8, 2024 Service bulletin

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

Mercedes-Benz technical service bulletin LI27.60-P-077704 for 2020-2021 Mercedes-Benz AMG GT, 2020-2023 Mercedes-Benz AMG GT53 and 2020-2024 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 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. Cause Possible causes: 1. Contamination/ingress of dust 2. Short circuit due to ingress of water 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 (using contact cleaner) 7. Reassemble and check the functionality 8. If fault code still present after rework -- follow available guided test remedy.

Owners of these vehicles have filed 2 complaints in the transmission category.

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