Mercedes-Benz S350 TURBODIESEL Operator's Manual page 28

3 Receiver next to trunk lock
Locking:
Aim transmitter eye (2) at a receiver
(3) and press transmit button (1).
Distance to receiver max. 20 ft (6 m).
The red indicator lamps on the
receivers should blink. They stop
blinking after approximately 3 seconds
when the vehicle is properly locked.
Notes:
If a door or the trunk is not properly
closed after you attempt to lock the car
by remote control, the red indicator
lamps will continue to blink (max. 10
seconds). Open the door or trunk lid,
close it properly, and lock the car
again.
If the vehicle cannot be locked or
unlocked by pressing the transmit
button (1), then it may be necessary to
change the batteries in the transmitter
(if ok, battery indicator lamp in
transmitter will light briefly when
transmitting) or to synchronize the
system, see Remote Control, Infrared in
Index
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