Page 100 of 489

99 Safety and Security
Anti-theft systems
The alarm system will also be triggered
when
someone attempts to raise the vehicle
unlocking and opening the driver’s
door, the trunk, or the glove box with
the mechanical key
someone opens a door from the inside
someone opens the trunk lid with the
emergency release buttonArming the alarm system
The alarm system indicator lamp is located
in the locking switch in the upper part of
the center console.
1Alarm system indicator lamp
Lock the vehicle with the SmartKey or
KEYLESS-GO*.
The turn signal lamps flash three times
and an acoustic warning sounds three
times to indicate that the alarm system
is armed.
Alarm system indicator lamp 1 starts
flashing.Disarming the alarm system
Unlock the vehicle with the SmartKey
or KEYLESS-GO*.
The turn signal lamps flash once and an
acoustic warning sounds once to
indicate that the alarm system is
disarmed.
Alarm system indicator lamp 1 goes
out.
iIf the alarm stays on for more than
30 seconds, a call to the Response Center is ini-
tiated automatically by the Tele Aid system
(
page 252) provided Tele Aid service was sub-
scribed to and properly activated, and that nec-
essary cellular service and GPS coverage are
available.
iIf the turn signal lamps do not flash three
times and no acoustic warning sounds three
times, a door or the trunk lid may not be properly
closed.
Close the respective element and lock the
vehicle again.
iThe alarm system will rearm automatically
again after approximately 40 seconds if no door
was opened.
Page 122 of 489

121 Controls in detail
Locking and unlocking
Trunk lid emergency release
With the emergency release button, the
trunk can be opened from inside the trunk.
The emergency release button is located
on the left side of the trunk.
1Emergency release button
Briefly press emergency release
button1.
The trunk lid unlocks and opens
slightly.
Push up the trunk lid to fully open.Illumination of the emergency release
button:
The button flashes for 30 minutes after
opening the trunk.
The button flashes for 60 minutes after
closing the trunk.
Power closing assist for trunk lid
It is not necessary to slam the trunk lid
closed. An electrical power-assisted
mechanism draws the trunk lid closed
quietly and automatically once the trunk
lid has been latched. When the electrical
power-assisted mechanism has stopped,
the trunk can be re-opened.iThe emergency release button unlocks the
trunk while the vehicle is standing still or in
motion.
iThe emergency release button does not un-
lock the trunk if the vehicle battery is discharged
or disconnected.Warning!G
To prevent possible personal injury, always
keep hands and fingers away from the trunk
lid opening when closing the trunk.
Be especially careful when small children
are around.
In case of danger, pull the inside or outside
door handle, or press the trunk lid lock.
To prevent personal injury, never actuate
the closing assist mechanism by tampering
with the door or trunk lid latch.
Page 480 of 489

479 Index
Power windows 201
Cleaning 337
Closing with KEYLESS-GO* 203
Side windows 201
Synchronizing 203
Problems while driving 60
Production options weight 324
Program mode see Automatic transmis-
sion, Automatic shift program
Program mode selector switch
Automatic shift program 177
Automatic transmission 32
PSI 324
PULSE function (Massage function) 125
Q
Quick search
Phone book* 171R
RACETIMER see Control system menus,
AMG
Radio
Operating 154
Satellite 154
Selecting station 154
Radio transmitters
Control and operation 276
Range (distance to empty)
Calling up 169
Reading lamp 33
Rear lamps see Tail lamps
Rear luggage compartment 242
Rear view mirrors see Mirrors
Recommended inflation pressure 324
Redial memory 171
Refueling 279
Regular checks 280
Regular driving style 233
Remote trunk opening switch 116
Remote trunk opening/closing*
switch 116Replacing
Batteries (SmartKey with
KEYLESS-GO*) 407
Batteries (SmartKey) 407
High beam bulbs 412
Low beam bulbs 412
Rear lamp bulbs 410, 414
Wiper blades 415
Reset button 27
Resetting
All functions (control system) 158
Fuel consumption statistics 168
Trip odometer 141
Restraint systems 68
Emergency Tensioning Device
(ETD) 82
Infant and child restraints 85
Messages in the multifunction
display 373
Seat belts 68, 79
Resume function
Cruise control 217
Distronic* 225