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February 23, 2024 Service bulletin

Soft top does not close: A: Soft top does not close completely B: Fault message following teach-in process...

Mercedes-Benz technical service bulletin LI77.33-P-075246 for 2022-2023 Mercedes-Benz AMG SL63, 2022-2023 Mercedes-Benz AMG SL55 and 2022-2023 Mercedes-Benz AMG SL43.

Bulletin number
LI77.33-P-075246
Component
Structure
Summary
Soft top does not close: A: Soft top does not close completely B: Fault message following teach-in process Causes of repair needs for A and B: A. Locking hooks may require adjustment or Soft Top Flap Assembly does not reach intermediate position B. Calibration of the Soft Top Flap Assembly may be required Remedy Analysis to identify the remedy: If available, perform a software update of the rear passenger compartment control unit (N22/6). Then reconstruct the fault profile. If faults continue to be present: Check the fault codes in N22/6 (Rear passenger compartment control unit) in the quick test. • B196277 and/or B196377: Perform teach-in process. Select "YES" for the question regarding part exchange. If fault message appears following the process, continue with A. If no fault message appears, check the function. If the soft top does not function, continue with B. • B228646 and/or B228654: Execute rear passenger compartment control unit (N22/6) control unit log and continue with step A. • B180013 and/or B180071 and/or B180077: Check the wiring at the engine of the soft top lock in the top of the soft top as well as the Hall sensor above. • If nothing visually can be seen: Open a TIPS Case • If remedy is successful: Processing is complete; otherwise, continue with step B. If none of the specified fault codes occurs in the quick test, continue with step B.

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