E 500 (124.036) V8-5.0L (119.974) (1994)
Brake Light Switch: Description and Operation
W/O ASR
The stop lamp switch (S9/1) sends a signal to the cruise control/idle speed control module (N4/3) when the brakes are in operation.
W/ ASR
The stop lamp switch (S9/1) sends a signal to the electronic accelerator control module (N4/1) when the brakes are in operation.