# Service bulletin LI27.60\-P\-078998

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.

- Type: Service bulletin
- NHTSA id: 11015550
- Published by NHTSA: 2025\-03\-11
- Manufacturer's number: LI27.60\-P\-078998
- Manufacturer's date: 2025\-03\-07
- NHTSA component: POWER TRAIN

## NHTSA's summary

Complaint Noticeable jolting from transmission in e\-mode between 25\-40 mph, mainly noticeable in deceleration Cause Lack of adaptation of the 5\-4 gearshift; primarily occurs after fully integrated transmission control SW update Remedy \- Check transmission oil level with transmission oil temperature \> 140°F \(60°C\) \- Flush valves \- Perform stationary adaptation A driving adaptation of the 5\-4 gearshift must then be performed as follows: \- Slippery drive program \- Show torque in instrument cluster \- Do not shift via paddle \- Deceleration downshift 5\-4 Torque between \-90 and \-15 Nm Rotational speed max 1,300 rpm

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11015550-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11015550-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Transmission and driveline

## Vehicles listed

- 2023 to 2025 MERCEDES\-BENZ AMG S 63 E 4MATIC\+

JSON: [/v1/bulletins/11015550](/v1/bulletins/11015550)

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