Overhead control panel control unit, component description - GF82.20-P-5216CW

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

Illustrated on model 204.0

Fig 1: Identifying Overhead Control Panel Control Unit Components

Courtesy of MERCEDES-BENZ USA

Location

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

General

The overhead control panel control unit is connected to the following components via the wiper/inside rearview mirror LIN 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)

The overhead control panel control unit is an interior CAN subscriber.

Design

The overhead control panel control unit contains the following components:

Interior temperature sensor (N70b1)
Left front interior lamp (N70e4)
Right front interior lamp (N70e5)
Tilting/sliding roof switch (N70s1)
Rear dome lamp switch (N70s2)
Interior lamp automatic function switch (N70s3)
Front dome lamp switch (N70s4)
Left front reading lamp switch (N70s6)
Right front reading lamp switch (N70s7)
Interior protection button (N70s8) (with code (882) Interior monitoring (with ATA [EDW] only))
Tow-away protection button (N70s9) (with code (551) Antitheft alarm system (ATA [EDW]) without , and without )
Emergency call system control and display elements (with code (359) TELE AID emergency call system)

Discrete inputs

Voltage supply

Inside rearview mirror
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)
Tilting/sliding roof drive unit (M12)