Mercedes-Benz E 1998 Series Operator's Manual page 31

4 Receiver on inside rear view
mirror
5 Red indicator lamp
(locking)
6 Green indicator lamp
(unlocking)
7 Receiver, red indicator lamp
(locking) and green indicator lamp
(unlocking) in driver's door handle.
8 Receiver, red indicator lamp
(locking) and green indicator lamp
(unlocking) next to trunk lock.
31