
Problem (malfunction)
.....................86
Resetting ......................................... 86
Sliding sunroof
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery .......................75
Changing the programming .............73
Checking the battery .......................75
Convenience closing feature ............85
Convenience opening feature ..........84
Display message ............................ 232
Door central locking/unlocking .......72
Important safety notes ....................72
Loss ................................................. 76
Mechanical key ................................ 74
Positions (ignition lock) .................133
Problem (malfunction) .....................76
Starting the engine ........................135
Snow chains ...................................... 303
Sockets General notes ................................ 255
Rea rcompartmen t......................... 255
Spare wheel
Storage location ............................ 332
Specialist workshop ............................ 25
Special seat bel tretractor .................. 60
Speed ,controlling
see Cruise control
Speedometer
Digital ............................................ 194
In the Instrument cluster .................31
Segments ...................................... 191
Selecting the unit of measurement 201
see Instrument cluster
SPORT handling mode
Activating/deactivating (AMG
vehicles) .......................................... 66
Warning lamp ................................. 239
SRS
see SRS (Supplemental Restraint
System)
SRS (Supplemental Restraint
System)
Display message ............................ 212
Introduction ..................................... 41
Warning lamp ................................. 241
Warning lamp (function) ................... 41 Standing lamps
Changing bulbs .............................. 114
Display message ............................ 218
Switching on/off ........................... 108
Start/stop function
see ECO start/stop function
Starting (engine) ................................ 135
Steering (display message) ..............232
Steering wheel Adjusting (electrically). ....................98
Adjusting (manually )........................ 97
Button overview ............................... 33
Buttons (on-board computer) ......... 191
Cleaning ......................................... 282
Important safety notes ....................97
Paddle shifters ............................... 143
Storing settings (memory function) 102
Steering wheel paddle shifters ........143
Stopwatch (RACETIMER) ................... 205
Stowage areas ................................... 248
Stowage compartments Armrest (under) ............................. 249
Cuph olders ................................... 253
Glove box ...................................... .249
Important safety information .........248
Stowage net ................................... 249
Stowage net ....................................... 249
Stowage well beneath the trunk
floor .................................................... 251
Summer opening see Convenience opening feature
Summer tires ..................................... 302
Sun visor ............................................ 253
Surround lighting (on-board
computer) .......................................... 202
Switching air-recirculation mode
on/off ................................................. 129
Switching off the alarm (ATA) ............70 T
Tachometer ........................................ 191
Tail lamps Display message ............................ 217
Tank content
Fuel gauge ....................................... 3116
Index

Dashboard
Function Page
0002
Steering wheel paddle
shifters
143
0003
Combination switch 108
0022
Instrument cluster 31
0021
Horn
001F
PARKTRONIC warning
display (Canada only)
171
0020
Overhead control panel 36
0012
Climate control systems 122
0013
Ignition lock 133
Start/Stop button
133 Function Page
0014
Adjusting the steering
wheel manually 97
0015
Adjusting the steering
wheel electrically 97
0016
Cruise control lever 158
0018
Parking brake 151
0019
Diagnostics connection 25
001A
Opening the hood 274
001B
Releasing the parking brake 151
001D
Light switch 10630
Dashboa
rdAt a glance

Instrumen
tcluster Displays and controls
Function Page
0002
Fuel gauge
0003
Coolant temperature 190
0022
Speedometer with
segments
191 Function Page
0021
Multifunction display 192
001F
Tachometer 191
0020
Instrument cluster lighting 190Instrument cluster
31At a glance

Center console, lower section
Function Page
0014
Stowage compartment 248
Ashtray 254
Cigarette lighter 255
0015
Selector lever 140
0016
Cup holder 253
0018
Stowage compartment
248 Function Page
0019
Audio/COMAND
controller; see the separate
operating instructions
001A
0004
Selects the drive
program 142Center console
35At a glance

Overhea
dcontrol panel Function Page
0002
0001
Switches the rear-
compartment interior
lighting on/off 112
0003
001C
Switches the
automatic interio rlighting
control on/off 111
0022
0013
Switches the right-
hand reading lamp on/off 111
0021
0002
Opens/closes the
panorama roof with power
tilt/sliding panel with roller
sunblinds 87
001F
0009
MB Info call button
(mbrace system) 260
0020
0008
SOS button (mbrace
system) 258
0012
Rear-view mirror
99 Function Page
0013
Buttons for the garage door
opener 267
0014
Integrated electronic
compass 268
0015
Microphone for mbrace
(emergency call system),
telephone and the Voice
Control System 1 0016
0007
Roadside Assistance
call button (mbrace
system) 260
0018
0013
Switches the left-
hand reading lamp on/off 111
0019
0004
Switches the front
interior lighting on/off 112
1
The Voice Control System is only available in combination with COMAND. Observe the additional operating
instructions. 36
Overhead control panelAt a glance

Useful information
i This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible. Please note that your vehicle may
not be equipped with all features
described. This also applies to safety-
related systems and functions.
i Read the information on qualified
specialist workshops: (Y page 25).Panic alarm
X
To activate: press000Cbutton 0002for
approximately one second.
An alarm sounds and the exterior lighting
flashes.
X To deactivate: press000Cbutton 0002
again.
or
X Insert the SmartKey into the ignition lock.
or
X Press the KEYLESS-GO Start/Stop button.
The KEYLESS-GO key must be in the
vehicle. Occupant safety
Overview of occupant safety
In this section, you will learn the most
important facts about the restraint system
components of the vehicle.
The restraint system consists of:
R seat belts
R child restraint systems
R LATCH-type (ISOFIX) child seat anchors
Additional protection is provided by:
R SRS (Supplemental Restrain tSystem)
R NECK-PRO head restraints
R air bag system components with:
- PASSENGER AI RBAG OFF indicator lamp
- front-passenge rseat with Occupant
Classification System (OCS)
The differen tair bag systems work
independently of each other. The protective
functions of the system work in conjunction
with each other. Not all air bags are always
deployed in an accident. G
WARNING
Modifications to or work improperly
conducted on restraint system components
or their wiring, as well as tampering with
interconnected electronic systems, can lead
to the restraint systems no longer functioning
as intended.
Air bags or Emergency Tensioning Devices
(ETDs), for example, could deploy
inadvertently or fail to deploy in accidents
although the deceleration threshold for air
bag deploymen tis exceeded. Therefore,
never modify the restraint systems. Do not
tamper with electronic components or their
software.
i For information on infants and children
traveling with you in the vehicle restraint
systems for infants and children, see
"Children in the vehicle" (Y page 58).40
Occupant safetySafety

SRS (Supplemental Restraint System)
Introduction SRS consists of:
R
The 001E SRS warning lamp
R Air bags
R Air bag control unit (with crash sensors)
R Emergency Tensioning Devices
R Belt force limiters
SRS reduces the risk of occupants coming
into contact with the vehicle's interior in the
event of an accident. It can also reduce the
effect of the forces to which occupants are
subjected during an accident.
SRS warning lamp SRS functions are checked regularly when
you switch on the ignition and when the
engine is running. Therefore, malfunctions
can be detected in good time.
The 001E SRS warning lamp in the instrument
cluster lights up when the ignition is switched
on. It goes out no later than a few seconds
after the engine is started.
The SRS components are in operational
readiness when the 001ESRS warning lamp
goes out while the engine is running. G
WARNING
The SRS self-chec khas detected a
malfunction if the 001ESRS indicator lamp:
R does no tlight up at all
R does not go out after approximately four
seconds after the engine is started
R comes on after the engine was started or
while driving.
For your safety, Mercedes-Ben zstrongly
recommends tha tyou have the system
checked as soon as possible at an authorized
Mercedes-Benz Center. SRS may otherwise
fail to activate when it is needed in the event
of an accident, which could lead to serious or
fatal injuries. SRS might also be activated unexpectedly and unnecessarily, which could
also result in injury.
In addition, work carried out improperly on
SRS may render SRS inoperative or cause
unintended air bag deployment. Work on the
SRS system should only be carried out by
qualified specialist personnel. Consult an
authorized Mercedes-Benz Center.
If it is necessary to modify an air bag system
to accommodate a person with disabilities,
contact an authorized Mercedes-Benz Center
for details. USA only: for further information
contact our Customer Assistance center at
1-800-FOR-MERCedes (1-800-367-6372).
Safety guidelines for seat belts,
Emergency Tensioning Devices (ETDs)
and air bags G
WARNING
R Damaged seat belts or seat belts that have
been subjected to stress in an accident
must be replaced. Their anchoring points
must also be checked. Only use seat belts
installed or supplied by an authorized
Mercedes-Benz Center.
R Air bags and pyrotechnic Emergency
Tensioning Devices (ETDs) contain
perchlorate material, which may require
special handling and regard for the
environment.C heck your national disposal
guidelines. California residents, see
www.dtsc.ca.gov/HazardousWaste/
Perchlorate/index.cfm.
R Air bags and ETDs are designed to function
on a one-time-only basis. An air bag or ETD
that has deployed must be replaced.
R Do not pass seat belts over sharp edges.
They could tear.
R Do not make any modification that could
change the effectiveness of the seat belts.
R Do not bleach or dye seat belts as this may
severely weaken them. In a crash they may
not be able to provide adequate protection.
R No modifications of any kind may be made
to any components or wiring of the SRS. Occupant safety
41Safety
Z

It is important to yours
afety and that of your
passenger to have deployed air bags replaced
and to have any malfunctioning air bags
repaired. This will help to make sure the air
bags will continue to provide supplemental
crash protection for occupants .
Front air bags The fron
tair bags increase protection for the
driver's and front-passenger's head and
chest. Driver's air bag
0002deploys in front of the
steering wheel; front-passenger front air
bag 0003deploys in front of and above the glove
box.
They are deployed:
R in the event of certain frontal impacts
R if the system determines that air bag
deploymen tcan offer additional protection
to that provided by the seat belt
R if the seat belt is fastened
R independently of other air bags in the
vehicle
Your vehicle has adaptive, two-stage fron tair
bags. In the even tofacollision, the ai rbag
control unit evaluates the vehicle
deceleration. In the first deploymen tstage,
the front ai rbag is filled with enough
propellan tgas to reduce th erisk of injuries.
The front air bag is fully deployed if a second
deploymen tthreshold is exceeded within a
few milliseconds.
The deployment of the front-passenger front
air bag is also influenced by the weight category of the front passenger, which is
determined by the Occupant Classification
System (OCS) (Y
page 46).
The lighter the passenger-side occupant, the
higher the vehicle deceleration rate required
(predicted at the start of the impact) for
second stage inflation of the front-passenger
front air bag. In the second stage, the front
air bags are inflated with the maximum
amount of propellant gas available.
The front air bags are not deployed in
situations where a low impact severity is
predicted. You will then be protected by the
fastened seat belt.
The front-passenger front air bag will only be
deployed if:
R the system, based on the OCS weight
sensor readings, detects that the front-
passenger seat is occupied
R the 0019001B indicator lamp on the center
console is not lit (Y page 46)
R the air bag control unit predicts a high-
impact severity.
Driver's knee bag Driver's knee bag
0002increases the driver's
protection against:
R knee injuries
R thigh injuries
R lower leg injuries
Driver's knee bag 0002deploys under the
steering column. If, during a frontal collision,
the system determines that air bag
deployment can offer additional protection to 44
Occupant safetySafety