Mercedes-Benz 2009 C-Class Operator's Manual page 80

Controls in detail
Locking and unlocking
When the SmartKey is valid, your vehicle
unlocks
the doors
R
the fuel filler flap
R
the trunk lid
R
i This device complies with RSS-210 of
Industry Canada. Operation is subject to
the following two conditions:
1. This device may not cause interference,
and
2. this device must accept any
interference received, including
interference that may cause undesired
operation of the device.
Important notes on using KEYLESS-GO
You can also use the SmartKey with
R
KEYLESS-GO like a normal SmartKey
( Y page 76).
You can combine KEYLESS-GO functions
R
with normal SmartKey functions (e.g.
unlocking with KEYLESS-GO and locking
with button j).
Always carry the SmartKey with you.
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Never store the SmartKey together with:
R
78
Electronic items such as a mobile phone
-
or another SmartKey
Metallic objects such as coins or metal
-
foil
Doing so could impair the function of the
KEYLESS-GO system.
To lock or unlock the vehicle, the SmartKey
R
must be located outside the vehicle within
approximately 3 ft (1 m) of a door or the
trunk.
If the SmartKey is positioned farther away
R
from the vehicle, the system may no longer
recognize the SmartKey. The vehicle
cannot be locked or the engine started via
the KEYLESS-GO system.
If the SmartKey is removed from the vehicle
R
(e.g. if a passenger exits the vehicle with
the SmartKey)
when pressing the KEYLESS-GO start/
-
stop button or trying to lock the vehicle
with the outside door handle the
message Key Not Detected appears in
the multifunction display
with the engine running, the message
-
Key Not Detected
appears in the
multifunction display while driving off
Find the SmartKey or change its present
location immediately (e.g. place it on the
front passenger seat or insert it in shirt
pocket).
If you have started the engine with the
R
KEYLESS-GO start/stop button, you can
turn it off again by
pressing the KEYLESS-GO start/stop
-
button
inserting the SmartKey into the starter
-
switch when the vehicle is at a standstill
and the automatic transmission is in park
position P
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):