31 At a glance
Instrument cluster
ItemPage
1Coolant temperature gauge403
2Fuel gauge with:
Fuel tank reserve warning
lamp
AHigh beam headlamp
indicator lamp
-ABS indicator lamp
=SRS indicator lamp
573
367
566
575
3Parktronic*/Park Assist*
warning indicator for left
front area 433,
437
4Multifunction display with:
Speedometer
0
USA only
!
Canada onlyElectronic
parking brake
warning or indi-
cator lamps568
ItemPage
;
USA only
3
Canada onlyBrake warning
lamp567
pressure*/TPMS mal-
function telltale*576
LLeft turn signal
indicator lamp382
KRight turn signal
indicator lamp382
vESP® warning lamp572
lDistance warning
lamp*174,
414,
572
1Vehicles without DISTRONIC Plus*: Warning lamp
without function. It illuminates when the ignition is
on. It should go out when the engine is running.
ItemPage
5Parktronic*/Park Assist*
warning indicator for right
front area 433,
437
6Gear position/range indica-
tor 398
7Tachometer with:
±Engine malfunction
indicator lamp570
8Selected program mode indi-
cator 399
9Main menu for control sys-
tem, multifunction display256
aOutside temperature 404
bDisplay with:
Additional speedometer271
:PRE-SAFE® Brake*
indicator268
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40 Safety and Security
Occupant safety
In this section you will learn the most im-
portant facts about the restraint systems
of the vehicle.
The restraint systems are
Seat belts (page 52)
Child restraints (page 57)
Lower Anchors and Tethers for
CHildren (LATCH) (
page 61)
Additional protection potential provide
Supplemental Restraint System (SRS)
with
Air bags (page 42)
Air bag control unit (with crash
sensors)
Emergency Tensioning Device
(ETD) for seat belts (
page 55)
Seat belt force limiter (page 55)
Preventive occupant safety
(PRE-SAFE®) (page 56)Air bag system components with
Front passenger front air bag off indica-
tor lamp (
page 50)
Front passenger seat with Occupant
Classification System (OCS)
(
page 47)
Although independent systems, their pro-
tective functions work in conjunction with
each other.The SRS system conducts a self-test when
the ignition is switched on and in regular
intervals while the engine is running. This
facilitates early detection of malfunctions.
The =indicator lamp in the instrument
cluster (
page 30) comes on when the
ignition is switched on and goes out no lat-
er than a few seconds after the engine has
been started.
The SRS components are in operational
readiness when the =indicator lamp is
not lit when the engine is running.
A malfunction in the system has been
detected if the =indicator lamp:
fails to go out after approximately
4 seconds after the engine was started
does not come on at all
comes on after the engine was started
or while driving
iFor information on infants and children trav-
eling with you in the vehicle and restraint sys-
tems for infants and children, see “Children in
the vehicle” (
page 57).
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64 Safety and Security
Driving safety systems
This section contains information about
Adaptive Brake Lights as well as the follow-
ing driving safety systems:
ABS (Antilock Brake System)
Adaptive Brake
BAS (Brake Assist System)
BAS Plus* (Brake Assist System Plus)
EBP (Electronic Brake Proportioning)
ESP® (Electronic Stability Program)
PRE-SAFE® Brake* (Preventive Occu-
pant Safe
ty Brake)
ABS
The Antilock Brake System (ABS) regulates
the brake pressure so that the wheels do
not lock during braking. This allows you to
maintain the ability to steer your vehicle.
The ABS is functional above a speed of ap-
proximately 5 mph (8 km/h) independent
of road surface conditions.
On slippery road surfaces, the ABS will re-
spond even to light brake pressure.
The - indicator lamp in the instrument
cluster (
page 30) comes on when you
switch on the ignition (
page 336). It goes
out when the engine is running.
Warning!G
The following factors increase the risk of ac-
cidents:
Excessive speed, especially in turns
Wet and slippery road surfaces
Following another vehicle too closely
The driving safety systems described in this
section cannot reduce these risks or pre-
vent the natural laws of physics from acting
on the vehicle.
Always adapt your driving style to the pre-
vailing road and weather conditions and
keep a safe distance to other road users and
objects on the street.
iIn winter operation, the maximum effective-
ness of the ABS, Adaptive Brake, BAS,
BAS Plus*, EBP and ESP
® only achieved with
winter tires (
page 549), or snow chains as re-
quired.
Warning!G
Do not pump the brake pedal. Use firm,
steady brake pedal pressure instead. Pump-
ing the brake pedal defeats the purpose of
the ABS and significantly reduces braking
effectiveness.
ProCarManuals.com
69 Safety and Security
Driving safety systems
After a hard collision or damage to the
front of the vehicle from an accident, have
the adjustment and operation of the radar
sensors checked by an authorized
Mercedes-Benz Center.
If BAS Plus is not available due to a radar
sensor malfunction, the braking system
will continue to function normally with full
brake boost and full standard BAS
function.EBP
The Electronic Brake Proportioning (EBP)
enhances braking effectiveness by allow-
ing the rear brakes to supply a greater pro-
portion of the braking effort in straight line
braking without a loss of vehicle stability.ESP®
The Electronic Stability Program (ESP®) is
operational as soon as the engine is run-
ning and monitors the vehicle’s traction
(force of adhesive friction between the
tires and the road surface) and handling.
The ESP
® recognizes when a wheel is spin-
ning or if the vehicle starts to skid. By ap-
plying brakes to the appropriate wheel and
by limiting the engine output, the ESP
®
works to stabilize the vehicle. The ESP® is
especially useful while driving off and on
wet or slippery road surfaces. The ESP
®
also stabilizes the vehicle during braking
and steering maneuvers.
The ESP
® warning lamp v in the instru-
ment cluster flashes when the ESP® is en-
gaged.
The ESP
® warning lamp v in the instru-
ment cluster comes on when you switch on
the ignition (
page 336). It goes out when
the engine is running.
Warning!G
When the EBP is malfunctioning, the ABS,
BAS, BAS Plus* and ESP® are also switched
off.
If the EBP is malfunctioning, the brake sys-
tem will still function with full brake boost.
However, the rear wheels could lock up dur-
ing emergency braking situations, for exam-
ple. You could lose control of the vehicle and
cause an accident. Adapt your driving style
to the changed driving characteristics.
ProCarManuals.com
70 Safety and Security
Driving safety systems
For more information, see “Practical hints”
section (
page 572) and (page 580).
Warning!G
Never switch off the ESP® when you see the
ESP® warning lamp v flashing in the in-
strument cluster. In this case proceed as fol-
lows:
While driving off, apply as little throttle
as possible.
While driving, ease up on the accelera-
tor.
Adapt your speed and driving style to
the prevailing road conditions.
Failure to observe these guidelines could
cause the vehicle to skid.
The ESP
® cannot prevent accidents result-
ing from excessive speed.
Warning!G
The ESP® cannot prevent the natural laws of
physics from acting on the vehicle, nor can
it increase the traction afforded. The ESP
®
cannot prevent accidents, including those
resulting from excessive speed in turns, or
hydroplaning. Only a safe, attentive, and
skillful driver can prevent accidents. The ca-
pabilities of an ESP
® equipped vehicle must
never be exploited in a reckless or danger-
ous manner which could jeopardize the us-
er’s safety or the safety of others.
iDISTRONIC Plus* and cruise control are
switched off when the ESP® engages.
iThe ESP® will only function properly if you
use wheels of the recommended tire size
(
page 678).
!Because the ESP® operates automatically,
the engine and ignition must be shut off
(SmartKey in starter switch position0 or1 or
KEYLESS-GO start/stop button* in position0
or1) when
the electronic parking brake is being tested
on a brake test dynamometer
the vehicle is being towed with the
front/rear axle raised
Active braking action through the ESP
® may oth-
erwise seriously damage the brake system.
ProCarManuals.com
77 Safety and Security
Anti-theft systems
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
With the SmartKey: Remove the
SmartKey from the starter switch.
With the KEYLESS-GO*: Turn off the
engine (
page 337) and open the driv-
er’s door.
Deactivating
Switch on the ignition (page 336).
Anti-theft alarm system
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens:
a door
the trunk
the hood
The alarm will stay on even if the activating
element (a door, for example) is immedi-
ately closed.
The alarm system will also be triggered
when
the vehicle is raised (only vehicles with
tow-away alarm)
the vehicle is opened with the
mechanical key
a door is opened from the inside
To cancel the alarm after it has been trig-
gered, see “Canceling the alarm”
(
page 78).1Indicator lamp
Arming: Lock your vehicle with the
SmartKey or KEYLESS-GO*.
The turn signal lamps flash three times
to indicate that the vehicle is locked.
The indicator lamp1 flashes to indi-
cate that the alarm system is armed.
iStarting the engine will also deactivate the
immobilizer.
In case the engine cannot be started (yet the ve-
hicle’s battery is charged), the system is not op-
erational. Contact an authorized Mercedes-Benz
Center or call 1-800-FOR-MERCedes (in the
USA), or 1-800-387-0100 (in Canada).
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 482) provided Tele Aid service was sub-
scribed to and properly activated, and that nec-
essary mobile phone, power supply and GPS
coverage are available.
ProCarManuals.com
91 Control systems
COMAND introduction
Main menus of COMAND
Sound
Muting: Press the F shortcut but-
ton in the center console (
page 82).
The sound of the current audio source
is switched on or is muted.Switching off navigation announce-
ments entirely
Canceling navigation message:
Briefly press F shortcut button dur-
ing an announcement.
Switching off navigation messages:
Press and hold F during an an-
nouncement until the announcement is
switched off.
You will see the message “The driving
instructions have been muted.” for a
short while.Adjusting volume
1Thumbwheel
Adjusting: Turn, thumbwheel.
The volume of the currently selected
audio source changes.
iThe components and operating principles of
COMAND can be found on (
page 81).
iWhen the sound is muted, you will see the
symbol
F in the status line. When you
change the audio source, the sound is automati-
cally switched on. You will be able to hear an-
nouncements from the navigation system even
when the sound is muted.
iThe announcements remain switched off
even if you start a new route guidance or if
COMAND is switched off/on with theo but-
ton.
If you switch COMAND off by removing the
SmartKey from the starter switch and then
switch the ignition back on after more than
3 minutes, the announcements are automatical-
ly switched back on.
ProCarManuals.com
202 Control systems
COMAND navigation system (route guidance)
Navigation announcements
Route guidance is already active.Calling up a current announcement:
Select “Navi” 6.
or
Press P favorite button if the button
has been programmed with this func-
tion (
page 231).
Canceling navigation message:
Briefly press F shortcut button dur-
ing an announcement.
Switching off navigation messages:
Press and hold F during an an-
nouncement until the announcement is
switched off.
You will see the message “The driving
instructions have been muted.” for a
short while.
Switching navigation announce-
ments back on manually:
Select “Navi” 6.
Adjusting volume of the messages:
Adjust the volume during an automatic
announcement (
page 91).
or
Call up an announcement manually us-
ing “Navi” 6 and adjust the vol-
ume (
page 91).
Warning!G
Navigation announcements are intended to
direct you while driving without diverting
your attention from the road and driving.
Please always use this feature instead of
consulting the map display for directions.
Consulting the symbols or map display for
directions may cause you to divert your at-
tention from driving and increase your risk
of an accident.
iIf Russian or Chinese is set as the system
language, the navigation announcements are in
English. You will find how to set the system lan-
guage on (
page 231).
Navigation announcements are muted during
telephone calls. You can, however, call up a cur-
rent announcement at any time. You can also
call up a current announcement at any time if
you have missed an announcement.
iYou will find the button programming on
(
page 231).
iThe announcements remain switched off
even if you start a new route guidance or if
COMAND is switched off/on with theo but-
ton.
If you switch COMAND off by removing the
SmartKey from the starter switch and then
switch the ignition back on after more than
3 minutes, the announcements are automatical-
ly switched back on.
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