500SL (129.067) V8-5.0L (119.972) (1993)
Gear Sensor/Switch: Description and Operation
Starter Lock-Out/Back-Up Lamp Switch
The starter lock-out/backup lamp switch (S16/3) sends a signal to the electronic accelerator control module (N4/1) when the A/T shift lever is in the "P"
or "N" position.