Electronic overhead control panel component description - GF82.20-P-5217CW

MODEL 204.0 /2 except CODE (414) Power glass tilting/sliding roof up to Model Year 8

Fig 1: Identifying Electronic Overhead Control Panel Components

Courtesy of MERCEDES-BENZ USA

Location

The electronic overhead control panel is located in the front section on the dome.

General

The electronic overhead control panel is directly connected to the following components for exchanging data:

Front SAM control unit with fuse and relay module (N10/1)
Inside rearview mirror (A67) (with code (249) Automatically dimming inside rearview mirror and outside mirror (driver))
Light sensor (B38/1) (without code (345) Rain sensor)
Rain/light sensor (B38/2) (with code (345) Rain sensor)

With code (413) Panoramic glass sunroof with top sliding sunroof, the panoramic sliding sunroof control module (A98) is connected to the electronic overhead control panel.

Design

The electronic overhead control panel control unit contains the following components:

Interior temperature sensor (N70/3b1)
Left front interior lamp (N70/3e4)
Right front interior lamp (N70/3e5)
Panoramic sliding roof switch (N70/3s1) (with code (413) Panoramic glass sunroof with top sliding sunroof)
Rear dome lamp switch (N70/3s2)
Interior lamp automatic function switch (N70/3s3)
Front dome lamp switch (N70/3s4)
Left front reading lamp switch (N70/3s6)
Right front reading lamp switch (N70/3s7)
Interior protection switch (N70/3s8) (with code (551) Antitheft alarm system (ATA) without code (494) USA version and without code (498) Japan version)
Tow-away protection switch (N70/3s9) (with code (551) Antitheft alarm system (ATA) without code (494) USA version and without code (498) Japan version)
Emergency call system control and display elements (with code (359) TELE AID emergency call system)

Discrete inputs

Circuit 30
Circuit 31

Voltage supply

Light sensor or rain/light sensor
Left sun visor mirror lamp (E14/1) (switched via left front mirror lamp switch (S101))
Right sun visor mirror lamp (E14/2) (switched via right front mirror lamp switch (S102))
Rear dome lamp (E15/3)