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Controls in detail
Locking and unlocking
̈ Press and hold programming button 1
until “Driver’s door” symbol 2 lights up.
The KEYLESS-GO card will then func-
tion as follows:
Unlocking the driver’s door
̈ Grasp the driver’s door handle.
Global unlocking
̈ Grasp the door handle on the pas-
senger side.
Global locking
̈ Press lock button at door handle or
trunk lid.
Restoring to factory setting
̈ Press and hold programming button 1
until “Central unlock” symbol 3 lights
up.
Checking the batteries
̈ Briefly press programming button 1.
The KEYLESS-GO card batteries are in
order if the indicator lamp for either
“Driver’s door” 2 or “Central unlock” 3
comes on red or green.
!
If you cannot lock or unlock the vehicle
with the KEYLESS-GO card, then either
the batteries of the KEYLESS-GO card
are discharged or the KEYLESS-GO
card is malfunctioning.
ț Check the batteries of the
KEYLESS-GO card (
୴ page 89) and
replace them if necessary
(
୴ page 328).
or
ț Use the SmartKey to unlock the
doors (
୴ page 30) and trunk
(
୴ page 98) as required. Lock the
vehicle using the SmartKey
(
୴ page 93).
If your KEYLESS-GO card is malfunc-
tioning, contact your authorized
Mercedes-Benz Center.
!
If symbols 2 or 3 do not light up during
the check, then the batteries of the
KEYLESS-GO card are discharged.
ț Change the batteries (୴ page 328).
You can obtain the batteries at any au-
thorized Mercedes-Benz Center.