Rotary light switch, component description - GF82.10-P-4106SX

MODEL 216.3, 221.0/1 up to Model Year 08

Shown on model 221 with code (600) Headlamp cleaning system and code (610) Night View Assist

Fig 1: Identifying Rotary Light Switch - Shown On Model 221 With Code (600)

Courtesy of MERCEDES-BENZ USA

Location

The rotary light switch is located at the left next to the steering wheel in the instrument panel.

Design

The rotary light switch contains the following components:

Fog lamps indicator lamp (S1e1)
Rear fog lamp indicator lamp (S1e2)
Standing lamps indicator lamp (S1e3)
HCS [SRA] switch (S1s1) (model 221 with code (600) Headlamp cleaning system up to 31.5.07, model 216 up to 31.5.07)
Night vision assist button (S1s9) (with code (610) Night View Assist)

The following positions can also be selected by turning it:

left parking lamp (1)
right parking lamp (2)
off (3)
auto on/off headlamps (4)
standing lamp (5)
low beam (6)

The front fog lamps are switched on by turning the rotary light switch to the standing lamp or low beam position and then pulling it to the first detent position. Pulling to the second detent position additionally switches the rear fog lamp on.

The position of the rotary light switch and actuation of the HCS [SRA] switch or of the Night View Assist button is read in by the upper control panel control unit (N72/1) and forwarded over the interior CAN to the front SAM control unit with fuse and relay module (N10/1).