Mercedes-Benz 2010 E-Class Coupe Operator's Manual page 75

The vehicle could be inadvertently
R
unlocked if the SmartKey is within 3 ft (1 m)
of the vehicle and
an outside door handle is splashed with
-
water
or
you attempt to clean an outside door
-
handle
Remember that the engine can be started
R
by anyone with a SmartKey that is left
inside the vehicle.
Possibility 1 (One SmartKey in the vehicle,
one SmartKey outside the vehicle):
If you leave the SmartKey behind when
exiting and locking the vehicle, no message
appears in the multifunction display.
Possibility 2 (One SmartKey in the vehicle,
no SmartKey outside the vehicle):
When exiting and trying to lock the vehicle,
the message Key Detected in Vehicle
appears in the multifunction display. The
vehicle will not be locked.
Factory setting
X
Global unlocking: Grasp an outside door
handle.
Unless you open a door or the trunk within
approximately 40 seconds after unlocking
the vehicle:
The vehicle will be locked again.
R
The anti-theft alarm system will be
R
rearmed.
Locking and unlocking
X
Global locking: Touch outside of a door
handle :.
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey. Grasping the
driver's outside door handle will then only
unlock the driver's door and the fuel filler flap.
X
Switching on/off: Press and hold buttons
% and & simultaneously for
approximately 6 seconds until the battery
Y
check lamp ( page 73) flashes twice.
KEYLESS-GO will then function as follows:
X
Unlocking driver's door and fuel filler
flap: Grasp the driver's outside door
handle.
X
Global unlocking: Grasp the outside door
handle on the passenger side.
X
Global locking: Touch outside of a door
handle :.
Checking SmartKey batteries
X
Press button & or % on the
SmartKey.
Battery check lamp : comes on briefly to
indicate that the SmartKey batteries are in
order.
If the battery check lamp does not come on
briefly during check, the SmartKey batteries
are discharged.
X
Replace the batteries (
Y
page 274).
Z
73