Storing the current speed .............. 183
Variabl
e......................................... 183
Limiting the speed
see Speed limiter
Loading guidelines ............................ 312
Locking
see Central locking
Locking (doors)
Automatic ........................................ 88
Emergency locking ........................... 89
From inside (central locking but-
ton) .................................................. 88
Locking centrally
see Central locking
Locking verification signal (on-
board computer) ............................... 253
LOW RANGE
Display message ............................ 277
Off-road gear ................................. 230
LOW RANGE off-road gear ................ 230
Luggage compartment cover
Notes/function .............................. 317
Luggage compartment enlarge-
ment
Important safety notes .................. 315
Luggage compartment floor
Important safety notes .................. 318
opening/closing ............................ 319
stowage well, under ....................... 318
Lumbar support
Adjusting (on the seat) .................. 112
Luxury head restraint ....................... 105M
M+S tyres ........................................... 363
Main-beam headlamps
Adaptive Highbeam Assist PLUS .... 124
Display message ............................ 270
Replacing bulb s............................. 127
Switching on/of f........................... 122
Maintenance
see ASSYST PLUS
Matt finish (cleaning instructions) .. 339
MB Contact
Display message ............................ 264 Media Interface
USB port in the armrest of the
centre console ............................... 313
see Digital Owner's Manual
Memory card (audio) ......................... 247
Memory function ............................... 118
Mercedes-Benz emergency call
system
Switch in the overhead control
panel .............................................. 324
Mercedes-Benz Intelligent Drive
360°camera .................................. 212
Active Blind Spot Assist ................. 222
Active Lane Keeping Assist ............ 224
ATTENTION ASSIST ........................ 216
Blind Spot Assist ............................ 219
Distance Pilot DISTRONIC ............. 184
Distance Pilot DISTRONIC with
Steering Pilot ................................. 191
General notes ................................ 180
Lane Keeping Assist ...................... 221
Parking Assist PARKTRONIC .......... 201
Parking Pilo t.................................. 204
PRE-SAFE ®
PLUS (anticipatory
occupant protection PLUS) .............. 56
Reversing camera .......................... 207
Traffic Sign Assist .......................... 217
Mercedes-Benz Service Centre
see Qualified specialist workshop
Message memory (on-board com-
puter) .................................................. 258
Mirror
Vanity mirror (sun visor) ................ 322
Mirror turn signal
Cleaning ......................................... 341
Mirrors
see Exterior mirrors
see Rear-view mirror
see Vanity mirror (in sun visor)
Mobile phone
Connecting (Bluetooth ®
inter-
face) .............................................. 306
Connecting another mobile
phone ............................................ 307
Connecting the telephone module
with Bluetooth ®
(SAP profile) ......... 309
Frequencies ................................... 379 Index
15 
Adjusting the 4-way lumbar support
:
To raise the backrest contour
; To soften the backrest contour
= To lower the backrest contour
? To harden the backrest contour
You can adjust the contour of the front seat
backrests individually to provide optimum sup-
port for your back. Seat heating and seat ventilation
Switching the seat heating on/off G
WARNING
If you repeatedly switch on seat heating, the
seat cushion and backrest padding may
become very hot. The health of vehicle occu-
pants with limited temperature sensitivity or a limited ability to react to excessively high
temperatures may be affected or they may
even suffer burn-like injuries. There is a risk of
injury.
Therefore, do not switch on the seat heating
repeatedly. Driver's and front-passenger seat
Rear seats
The three red indicator lamps in the button indi- cate the heating level you have selected.
The system automatically switches down from
level 3to level 2after approximately eight
minutes.
The system automatically switches down from
level 2to level 1after approximately ten
minutes.
The system automatically switches off approx-
imately 35 minutes after it is set to level 1.
X Turn the key to position 1or 2in the ignition
lock (Y page 148).
X To switch on: press button:repeatedly
until the desired heating level is set.
X To switch off: press button:repeatedly
until all the indicator lamps go out.
i If the vehicle battery voltage is too low, the
seat heating may switch off. 112
SeatsSeats
, steering wheel and mirrors