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February 14, 2024 Service bulletin

Rear spoiler sporadically remains in opened or closed position and a fault message appears in the...

Mercedes-Benz technical service bulletin LI77.25-P-076544 for 2022-2023 Mercedes-Benz AMG SL63, 2022-2024 Mercedes-Benz AMG SL55 and 2022-2024 Mercedes-Benz AMG SL43 and others.

Bulletin number
LI77.25-P-076544
Component
Structure
Summary
Rear spoiler sporadically remains in opened or closed position and a fault message appears in the instrument cluster. The rear spoiler can then no longer be actuated manually using the button. The function of the rear spoiler is re-established after an ignition reset and the fault message is no longer present in the instrument cluster. Software of the AMG DRIVE UNIT. Remedy Valid for all vehicles of model series 232 with M177 (SL55/63) from start of production - end of modification year 22/1 - manufacturing date before April 21, 2023: --> Perform software update of the AMG DRIVE UNIT N145/1 to A 001 902 49 02. All vehicles of model series 232 with M177 (SL55/63) from start of modification year 22/2 - manufacturing date on/after April 21, 2023: --> Perform software update of the AMG DRIVE UNIT N145/1 to A 000 902 61 96. Valid for all vehicles of model series 232 with M139L (SL43) from start of modification year 22/1 - manufacturing date on/after April 21, 2023: --> Perform software update of the AMG DRIVE UNIT N145/1 to A 000 902 61 96.

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