# Service bulletin LI91.30\-P\-073902

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: 10207205
- Published by NHTSA: 2022\-02\-04
- Manufacturer's number: LI91.30\-P\-073902
- Manufacturer's date: 2022\-01\-04
- NHTSA component: ELECTRICAL SYSTEM; SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER; SEATS

## NHTSA's summary

Complaint Seat heating on driver's seat and front passenger seat nonfunctional. The LEDs on the switches for the seat heating illuminate, but the seat heating mats do not get warm. Cause Faulty SCN coding of rear SAM. Remedy • Perform SCN coding of rear SAM \(BC\_R\). • Commission seat heating control unit.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10207205-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10207205-9999.pdf)

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

## Components

Electrical system, Seats

## Vehicles listed

- 2017 to 2021 MERCEDES\-BENZ C 300
- 2015 to 2016 MERCEDES\-BENZ C300
- 2018 to 2022 MERCEDES\-BENZ GLC 300
- 2016 to 2017 MERCEDES\-BENZ GLC300

JSON: [/v1/bulletins/10207205](/v1/bulletins/10207205)

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