Component description for overhead control panel control unit - GF82.20-P-5216RF

Model 205, 253

Shown with CODE 413 (Panoramic sliding roof) or CODE 414 (Sliding roof) and CODE 348 (Emergency call/assist system)

Fig 1: Identifying Overhead Control Panel Control Unit Components - Shown With Code 413

Courtesy of MERCEDES-BENZ USA

Location

The overhead control panel control unit is located in the front section of the headliner.

Task

The overhead control panel control unit has the following tasks:

Model 205.0/1/2, 253

with code 882 (Interior motion sensor)

The overhead control panel control unit has the purpose of accommodating the ATA [EDW]/tow-away protection/interior protection control unit (N26/6).

Reading in of signals

The input factors are read in via the following connections:

Direct line

The overhead control panel control unit reads in the signals of the following components via direct lines:

Interior temperature sensor with integrated fan (N70b1)
Roof system switch (with CODE 413 (Panoramic sliding sunroof) or CODE 414 (Sliding roof))
Rear dome lamp button (model 205.0/1/2, 253)
Interior lamp automatic function button
Front dome lamp button
Left front reading lamp button
Right front reading lamp button
SOS button (model 205.0/1/2, 253 with CODE 348 (Emergency call/Assist system) or CODE 347 (Mercedes-Benz emergency call system))
Breakdown assistance button (model 205.0/1/2, 253 with CODE 348 (Emergency call/Assist system) or CODE 347 (Mercedes-Benz Emergency call system))
MB-Info button (model 205.0/1/2, 253 with CODE 348 (Emergency call/Assist system) or CODE 347 (Mercedes-Benz emergency call system))
Left rear reading lamp button (E11/1s2) in left rear dome lamp (E11/1) (model 205.0/1/2, 253 with CODE 876 (Interior lights package))
Right rear reading lamp button (E11/2s2) in right rear dome lamp (E11/2) (model 205.0/1/2, 253 with CODE 876 (Interior lights package))
Left rear vanity mirror illumination switch (E15/10s1) in left rear vanity mirror unit (E15/10) (model 205.1)
Right rear vanity mirror illumination switch (E15/11s1) in right rear vanity mirror unit (E15/11) (model 205.1)

Roof LIN

The signals from the front SAM control unit (N10/6) are read in via the roof LIN.

Evaluation of input factors

The input factors are evaluated by the microprocessor and the corresponding components are actuated.

Actuation of components

The following components are actuated via direct lines:

Front dome lamp (model 205.0/1/2, 253)
Left overhead control panel LED
Right overhead control panel LED
Eyeglasses box illumination (N70e8) (with CODE 876 (Interior lights package))
Left reading lamp (A67e1)
Right reading lamp (A67e2)
Ambient lamp (A67e3)
Left sun visor mirror lamp (E14/1) via the left front mirror lamp switch (S101)
Right sun visor mirror lamp (E14/2) via the right front mirror lamp switch (S102)
Left rear dome lamp (model 205.0/1/2, 253)
- Left rear interior lamp (E11/1e2)
- Left rear reading lamp (E11/1e1) (with CODE 876 (Interior lights package))
Right rear dome lamp (model 205.0/1/2, 253)
- Right rear reading lamp (E11/2e1) (with CODE 876 (Interior lights package))
- Right rear interior lamp (E11/2e2)
Left rear vanity mirror unit (model 205.1)
- Left rear vanity mirror illumination (E15/10e1)
- Left rear vanity mirror dome lamp (E15/10e2)
Right rear vanity mirror unit (model 205.1)
- Right rear vanity mirror illumination (E15/11e1)
- Right rear vanity mirror dome lamp (E15/11e2)

Wiring diagram for overhead control panel (OCP) control unit