# Service bulletin LI8270P072934

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: 10205408
- Published by NHTSA: 2021\-12\-20
- Manufacturer's number: LI8270P072934
- Manufacturer's date: 2021\-10\-06
- NHTSA component: EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI

## NHTSA's summary

The customer states that while making a phone call from inside the vehicle using a bluetooth\-paired mobile device that the called party may hear an echo shortly after speaking. The intensity and duration of the echo may change through the length of the call.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10205408-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10205408-9999.pdf)

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

## Components

Equipment and accessories

## Vehicles listed

- MERCEDES\-BENZ MERCEDES\-BENZ

JSON: [/v1/bulletins/10205408](/v1/bulletins/10205408)

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