Page 1 of 462
M-Class
Operator's Manual
Order no. 6515 0459 13 Part no. 1665847681 Edition A 2014 É1665847681JËÍ
1665847681M-Class Operator's Manual
Page 2 of 462

Publication details
Internet
Further information about Mercedes-Benz
vehicles and about Daimler AG can be found
on the following websites:
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http://www.mercedes-benz.ca (Canada
only) Editorial office
© Daimler AG: Not to be reprinted, translated
or otherwise reproduced, in whole or in part,
without written permission from Daimler AG.
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In this Operator's Manual you will find the
following symbols: G
WARNING
Warning notes draw your attention to hazards
that endanger your health or life, or the health
or life of others. H
Environmental note
Environmental notes provide you with
information on environmentally aware actions
or disposal.
! Notes on material damage alert you to
dangers that could lead to damage to your
vehicle. i
Practical tips or further information that
could be helpful to you.
X This symbol indicates an
instruction that must be followed.
X Several of these symbols in
succession indicate an instruction
with several steps.
(Y page) This symbol tells you where you
can find more information about a
topic.
YY This symbol indicates a warning or
an instruction that is continued on
the next page.
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multifunction display/COMAND
display.
Parts of the software in the vehicle are
protected by copyright ©
2005
The FreeType Project
http://www.freetype.org. All rights
reserved.
As at 15.10.2012
Page 3 of 462

Welcome to the world of Mercedes-Benz
We urge you to read this Operator's Manual
carefully and familiarize yourself with the
vehicle before driving. For youro wn safety
and a longer vehicle life, follow the
instructions and warning notices in this
manual. Ignoring them could result in damage
to the vehicle or personal injury to you or
others.
Vehicle damage caused by failure to follow
instructions is not covered by the Mercedes-
Benz Limited Warranty.
The equipment or product designatio nofyour
vehicle may vary depending on:
R Model
R Order
R Country specification
R Availability
Mercedes-Benz therefore reserves the right
to introduce changes in the following areas:
R Design
R Equipment
R Technical features
The equipment in your vehicle may therefore
differ from that shown in the descriptions and
illustrations.
The following are integral components of the
vehicle:
R Operator's Manual
R Maintenance Booklet
R Equipment-dependent supplements
Keep printed copies of the documents in the
vehicle at all times. If you sell the vehicle,
always pass the documents on to the new
owner.
The technical documentation team at
Daimler AG wishes you safe and pleasant
motoring.
Mercedes-Benz USA, LLC
Mercedes-Benz Canada, Inc.
AD aimler Company
1665847681É1665847681JËÍ
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Page 5 of 462
Index
....................................................... 4Introduction
......................................... 23 At
ag lance ........................................... 31 Safety
................................................... 41 Opening and closing
...........................79 Seats, steering wheel and mirrors
..103 Lights and windshield wipers
..........119 Climate control
................................. 137 Driving and parking
..........................155 On-board computer and displays
....261 Stowage and features
......................331 Maintenance and care
......................363 Breakdown assistance
.....................379 Wheels and tires
............................... 397 Technical data
................................... 441 Contents
3
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1, 2, 3 ...
115 Vsocket ...................................... 348
12 Vsocket
see Sockets
360° camera
Function/notes ............................. 225
4ETS
see ETS/4ETS (Electronic
Traction System)
4MATIC (permanent four-wheel
drive) .................................................. 246A
ABS (Anti-lock Braking System) Display message ............................ 283
Function/notes ................................ 67
Important safety notes ....................67
Warning lamp ................................. 319
Activating/deactivating cooling
with air dehumidification .................145
Active Blin dSpot Assist
Activating/deactivating (on-
board computer) ............................ 273
Display message ............................ 306
Function/informatio n.................... 237
Trailer towing ................................. 240
Active Curve System
Display message ............................ 303
Function/notes ............................. 208
Active Driving Assistance package .237
Active Lane Keeping Assist Activating/deactivating (on-
board computer) ............................ 273
Display message ............................ 305
Function/informatio n.................... 241
Trailer towing ................................. 243
Active light function .........................125
Active Parking Assist Display message ............................ 306
Exiting aparking spac e.................. 219
Function/notes ............................. 216
Important safety notes ..................216
Parking .......................................... 218
Towing atrailer .............................. 220
ADAPTIVE BRAKE ................................. 74 Adaptive Brake Assist
Display message ............................ 290
Function/notes ................................ 70
Adaptive Damping System
see ADS (Adaptive Damping System)
Adaptive Highbeam Assist
Display message ............................ 298
Function/notes ............................. 125
Switching on/off ........................... 126
Switching on/off (on-board
computer) ...................................... 275
Additives (engine oil) ........................449
ADS (Adaptive Damping System) Function/notes ............................. 207
Airb ags
Display message ............................ 293
Front air bag (driver, front
passenger )....................................... 46
Important safety notes ....................44
Knee bag .......................................... 47
PASSENGER AIR BAG OFF
indicator lamp .................................. 49
Safety guidelines ............................. 43
Side impact airb ag.......................... 47
Windo wcurtain air bag .................... 48
Air-conditioning system
see Climate control
Airf ilter (display message) ..............301
AIRF LOW ........................................... 147
AIRMATIC package ADS (Adaptive Damping System) ...207
Function/notes ............................. 207
Level control .................................. 209
Airv ents
Glove box ....................................... 153
Important safet ynotes .................. 152
Rea r............................................... 153
Setting ........................................... 152
Setting the center air vents ...........152
Setting the side air vents ...............153
Alarm system
see ATA (Anti-Theft Alarm system)
Ambient lighting
Setting the brightness (on-board
computer) ...................................... 275
Setting the color (on-board
computer) ...................................... 2754
Index
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AMG adaptive sport suspension
system
................................................ 211
AMG menu (on-board computer) .....278
Anti-loc kbraking system
see ABS (Anti-lock Braking System)
Anti-theft alarm system
see ATA (Anti-Theft Alarm system)
Approach/departure angle ..............190
Ashtray ............................................... 346
Assistance display (on-board
computer) .......................................... 272
Assistance menu (on-board
computer) .......................................... 272
ASSYST PLUS Displaying a service message ........369
Hiding a service message ..............369
Notes ............................................. 368
Resetting the service interval
displa y........................................... 369
Service message ............................ 368
Special service requirements ......... 369
ATA (Anti-Theft Alarm system)
Activating/deactivating ...................76
Function .......................................... .76
Switching off the alarm ....................76
ATTENTIO NASSIST
Activating/deactivating .................273
Display message ............................ 301
Function/notes ............................. 229
Audio menu (on-board computer) ....269
Audio system see separate operating instructions
Authorized Centers
see Qualified specialist workshop
Authorized Mercedes-Benz Center
see Qualified specialist workshop
Authorized workshops
see Qualified specialist workshop
AUTO lights
Display message ............................ 298
see Lights
Automatic engine start (ECO start/
stop function) .................................... 162
Automatic engine switch-off (ECO
start/stop function) ..........................162
Automatic headlamp mode ..............120Automatic transmission
Automatic drive program ...............170
Changing gea r............................... 168
DIRECT SELECT leve r..................... 165
Display message ............................ 312
Drive program displa y.................... 165
Driving tips .................................... 168
Emergency running mode ..............173
Engaging drive position .................. 167
Engaging neutra l............................ 166
Engaging par kposition
automatically ................................. 166
Engaging revers egear ................... 166
Engaging the par kposition ............ 165
Kickdow n....................................... 168
Manual drive program ....................170
Manual drive program (AMG
vehicles) ........................................ 171
Manual drive program (vehicles
with the ON&OFFROAD package) ..171
Overview ........................................ 165
Problem (malfunction) ...................173
Progra mselector button ................169
Pulling away ................................... 160
Starting the engine ........................159
Steering wheel paddle shifters ......169
Trailer towing ................................. 168
Transmissio nposition display ........165
Transmission positions ..................167
Automatic transmission
emergency mode ............................... 173
Axle load, permissible (trailer
towing) ............................................... 456 B
Bag hook ............................................ 337
Ball coupling Installing ........................................ 255
Removing ....................................... 259
Storing ........................................... 259
BAS (Brake Assist System) .................67
BAS PLUS (Brake Assist System
PLUS) .................................................... 68
Battery (SmartKey) Checking .......................................... 83
Important safety notes ....................83
Replacing ......................................... 83 Index
5
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Battery (vehicle)
Charging ........................................ 388
Display message ............................ 299
Important safety notes ..................385
Jump starting ................................. 389
Overview ........................................ 385
Belt force limiter
Activation ......................................... 59
Function .......................................... .59
Blind Spo tAssist
Activating/deactivating .................273
Display message ............................ 306
Notes/function .............................. 233
Trailer towing ................................. 235
see Active Blind Spot Assist
BlueTEC
Adding DEF .................................... 177
BlueTEC (DEF) .................................... 447
Brake Assist see BAS (Brake Assist System)
Brake fluid
Display message ............................ 289
Notes ............................................. 449
Brake lamps
Changing bulbs .............................. 132
Display message ............................ 296
Brakes
ABS .................................................. 67
Adaptive Brake Assist ......................70
BAS .................................................. 67
BAS PLUS ........................................ 68
Brake fluid (notes) .........................449
Display message ............................ 283
Driving tips .................................... 184
High-performance brake system ....185
Important safety notes ..................184
Maintenance .................................. 185
Parking brake ................................ 180
Warning lamp ................................. 318
Breakdown
see Flat tire
see Towing away
Bulbs
see Changing bulbs C
California Important notice for retail
customers and lessees ....................25
Calling up a malfunction
see Display messages
Car
see Vehicle
Care
Carpets .......................................... 377
Car wash ........................................ 370
Display ........................................... 375
Exhaus tpipe .................................. 374
Exterior lights ................................ 373
Gea rors electo rlever .................... 376
Interior ........................................... 375
Matte finish ................................... 372
Nigh tView Assist Plus ...................375
Notes ............................................. 370
Paint .............................................. 372
Plastic trim .................................... 376
Power washer ................................ 371
Rea rview camera .......................... 374
Roof lining ...................................... 377
Seat bel t........................................ 377
Seat cover ..................................... 376
Sensors ......................................... 374
Steering wheel ............................... 376
Trim pieces .................................... 376
Washing by hand ........................... 371
Wheels ........................................... 373
Windows ........................................ 373
Wiper blades .................................. 373
Wooden trim .................................. 376
Cargo compartment cover
Notes/ho wtouse......................... 338
Cargo compartment enlargement
Important safety notes ..................335
Cargo compartment floor
Opening/closing ............................ 342
Stowag ewell (under) ..................... 342
Cargo net
Attaching ....................................... 340
Important safety information .........340
Cargo tie down rings .........................337
Car keys see SmartKey 6
Index