Service bulletin LI77.25-P-076544

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

NHTSA's 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.

The document

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The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Body and frame

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