Driving
electrical equipment such as exterior lights
will switch off as well when that happens.
Switching engine off
Applies to veh icles: w ith Conven ience key
~ Bring your vehicle to a complete stop.
~ Move the selector lever to the P or N position.
~ Press the I START ENGIN E STOPI button
¢page 87, fig. 10 2.
Steering lock
The steering locks when you turn the engine off
using the
!START ENGINE STOP ! button and
open the driver 's door. The locked steering helps
prevent vehicle theft.
Emergency off
If necessary, the engine can be switched off with
the s ele ctor lever in the R or D/S position. The
engine stops if you press and hold the
!START ENGINE STOP! button at speeds below
6 mph (10 km/h) and press the brake pedal.
A WARNING
- Never turn off the engine before the vehicle
has come to a complete stop. The full func
t ion of the brake booster and the power
steering is not guaranteed. You must use
more force to turn or brake if necessary. Be
cause you cannot steer and brake as you
usually would, this could lead to crashes
and serious injuries.
- For safety reasons, you should always park
your vehicle with the selector lever in P.
Otherwise, the vehicle could inadvertently
roll away .
- The radiator fan can continue to run for up
to 10 minutes even after you have turned
off the engine and removed the ignition key.
The radiator fan can also turn on again if the
engine coolant heats up because of intense
sunlight or heat build-up in the engine com
partment.
- Always take the key with you whenever you
leave your vehicle. Otherwise, the engine
could be started or electrical equipment
88
such as the power windows could be operat
ed. This can lead to serious injury.
- Never leave children or persons requiring as
sistance unattended in the vehicle. The
doors can be locked using the remote trans
mitter, preventing people from escaping
from the vehicle on their own in the event of
an emergency. Depending on the time of
year, people inside the vehicle can be ex
posed to very high or very low tempera
tures.
0 Note
If the engine has been under heavy load for
an extended period, heat builds up in the en
gine compartment after the engine is switch
ed off -there is a risk of damaging the engine.
Allow the engine to run at idle for about two
minutes before switching it off.
Driver messages
Ignition is on
This message appears and a warning tone sounds
if you open the driver 's door when the ignition is
switched on.
No key identified
This message appears when the
ISTART E NGIN E STOP !* button is pressed if there
is no master key inside the vehicle or if the sys
tem does not recognize it. For example, the mas
ter key cannot be recognized if it is covered by an
object (e .g . aluminum brief case) which
screens
the radio s ignal. Electronic devices such as cell
phones can also interfere with the radio signal.
Press brake pedal to start engine
This message appears if you do not press the
brake pedal to start the engine .
Shift to N or P to start engine
This message appears when attempting to start
the engine if the selector lever for the automatic
transmission is not in the P or N position. The en
gine can only be started with the selector in
these positions.
ll-
..... N
co ~ CX)
..... I.Cl U"I
..... I.Cl .....
!I Is the ke y in the vehicle ?
This message appears in a veh icle w ith Conven
ience key* if the master key is removed from the
ve hicle w ith the engine r unning.
If the master
key is no longer in the vehicle, you cannot switch
on the ignition after stopping the engine and you
also cannot start the eng ine again. Moreover, you
cannot lock the veh icle from the outside with the
key.
Shift to P othe rwis e vehicle c an roll away . Doors
do not l ock if lever i s not in
P.
This message appears for safe ty reasons a long
with a warning s ignal.
It appears i f the selector
lever for the automatic transmission is not in the
P posit ion when switching
off the ignition. Move
the selector lever to the P posit ion, otherwise the
vehicle is not secured aga inst rolling away . You
also cannot lock the vehicle using the locking button* on the door handle or using the remote
key .
Turn off ignit io n befo re lea ving car
Th is message appears if the driver's door is
opened while the ignition is switched on . Always
switch
off the ignition if you are leaving the vehi
cle . See also
c:;, page 93.
Turn off ignit ion befo re lea ving car. Batte ry is
dis charging
This message appears if the d river's door is
ope ned while the ignition is switched on. Always
switch
off the ignition if you are leaving the vehi
cle . See a lso
c:;, page 93.
Shift to P and turn off ignition, otherwi se vehi
cle can roll awa y
This message appears if the driver 's door is
opened while the igni tion is sw itched on and t he
selec to r lever is not in t he P posit ion. Shift the
se lector lever into the P pos ition and switch of f
the ignition when you exit the vehicle . Otherwise
the vehicle cou ld roll . See also
c:;, page 93.
Con venien ce k ey defe cti ve ! Use igniti on lo ck
This message appears if the engine must be
started or stopped using the ignit ion key and not
the
! S TAR T ENGINE ST OPI* button .
Electromechanical
parking brake
Operation D
rivi ng
The electromechanical parking brake replaces
the hand brake.
F ig. 103 Center co nsole : P ark ing brake
.,. Pull on the switch Wl c:;, fig. 103 to apply the
parking brake. The indicator lights in the switch
and . (USA models)/ . (Canada models) in
the inst rument cluster illuminate .
.,. With the ignition switched on, step o n the
brake pedal or the accelerator pedal and press
t he swit ch(® at the same time to re lease the
parking brake . The indicator lights in the switch
and . (USA mode ls)/ . (Canada models) in
the instrument cluster go out.
You r vehicle is equ ipped wi th an electromechan i
ca l parking brake . The parking brake is designed
to prevent the vehicle from ro lling unintentional
ly and replaces the hand brake.
In add ition to the normal functions of a trad i
t iona l han d brake, the electromechanical parking
brake provides va rious convenience and safety
funct ions .
When starting from rest
-The integra l sta rting assist he lps yo u when
driving by automati cally releas ing the pa rking
brake
c:;, page 90, Starting from res t.
-When start ing on incline s, t he s tart ing assist
prevents the vehicle from uninten tionally ro ll
ing back . The braking force of the parking brake
is not re leased unti l sufficient driving force has
been built up at the wheels. .,.
89
,....,
N
co
er::
co
,....,
that you are developing enough driving force at
the wheels by depressing the accelerator .
Depending on the weight of the r ig (vehi cle and
tra iler) and the severity of the incline, you may
ro ll backwards as you start . You can prevent roll
ing backwards by holding the parking brake
switch pulled out and accelerating -just as you
wou ld when starting on a hill with a conventiona l
h and brake .
Emergency braking
In the event that the conven tional brake system
fails or locks .
~ In an emergency, pull the sw itch and cont inue
to pull it to slow your veh icle down with the
parking b rake.
~ As soon as you release the switch or accelerate,
the b raking process stops .
If you pull the sw itch and hold it above a speed of
about 5 mph (8 km/h) , the eme rgency braking
function is in it iated . The vehicle is braked at all
four wheels by activating the hydraulic brake sys
te m. T he b rake perfo rman ce is sim ila r t o making
an em ergen cy sto p ~ ,& .
In o rder not to activate the emergency brak ing by
mista ke, an audib le wa rn ing tone (buzze r)
sounds w hen the sw itch is p ulled. As soon as t he
sw itch is rele ased, or the acce le ra to r p edal is de
p ressed, eme rgency bra king stops.
A WARNING
Emergency bra king should only be use d in an
emergency, w hen the normal foot brake has
fai led or the bra ke pedal is obstructed . Using
the par king b rake to perfo rm emergency
brak ing will slow your vehicle down as if you
had made a full bra ke ap plication . The laws of
physics cannot be suspended even wi th ESC
a n d its associated components (A BS, ASR,
E DS). In c orn ers and when road or weath er
c ondi tions are bad, a full brake ap plication
c an ca use the vehicle to sk id or the rear end to
break away· r isking an accident .
Driving
Driver messages in the instrument cluster
Caution: Vehicle parked too steep
T h is message appears when the pa rking bra ke is
applie d on an in cl in e that exceeds about 30%.
In this case the braki ng power o f the pa rking
brake may not be adequate to prevent the ve hi
cle from roll ing uninten tionally.
Press b rake pedal to release park ing brake
This dr iver message appears when the sw itch to
re lease the par king brake was pressed. The park
ing brake can only be released if you step o n the
brake pedal and at the same time press the
switch or you automatica lly re lease the park ing
bra ke w ith the sta rting ass ist ~
page 90 .
r.lJ Parking brake malfunction!
This dr iver message appears together w ith the
yellow
rlJ symbol whe n there is a parki ng brake
malfu nction .
Start/Stop system
Description
Applies to vehicles: wit h Start-Stop-Syste m
The Start -Stop -System can he lp increase f uel
economy and reduce CO2 emissions.
In the Start -S top -mode, the engine sh uts off au
tomat ica lly when the vehicle is stoppe d, such as
at a t raff ic light. The ignition remains switched
on d uring this stop phase. The eng ine will be a u
tomat ically restarted when needed.
T he last Start-Stop -System setting (on/off usin g
the b utton
10~ 1) will be restored when the ign i
t ion is turned on. The LED in the
10'" 1 button turns
on when the Start-Stop-System is switched off
manua lly .
Ba sic requirements for the Start-Stop mode
- The d river 's door is closed.
- The driver 's sea t belt is latc hed.
- The hood is closed.
- The vehicle must have bee n driven fast er than
2.5 mph (4 km/h) s in ce the last s top.
- A t railer is not hitched to the vehicle . .,.
91
Driving
_& WARNING
-Ne ver turn off the engine before the veh icle
has come to a comp lete stop . The f ull func
t ion of the brake booster and the power
steering is not guaranteed. Yo u must use
more force to turn or brake if necessary . Be
ca use you cannot steer and b rake as you
us ually wou ld, this could lead to crashes
and serious injur ies.
- To reduce the risk of inju ries, make s ure that
t h e S tart -Stop-System is turned off whe n
wor king in the eng ine compart ment
9page 93 .
(D Note
Always sw itch off the Start-Stop-System
when dr iv ing th rough water
9 page 93 .
Starting/stopping the engine
Applies to veh icles: w ith Start -Stop -System
F ig . 104 In strum ent cluste r: En gin e sw itc hed off (stop
phase}
• Slow the vehicle to a s top using the brake and
k eep pressing the bra ke pe dal. The engine w ill
switc h off . The
[I] ind icator light appears in the
i nst rument cluste r display and -also
appears in the t rip computer.
• When you take yo ur foot off the b rake peda l,
the engine restarts . The ind icator light tu rns
off .
Add itional informat ion
The eng ine wi ll switch off in the P, D/S and N po
sitions as we ll as in manua l mode. In the P pos i
tion, the eng ine will a lso remain off if you take
your foot off the brake pedal. The engine starts
92
again w hen you select another se lecto r lever po
sition and take your foot off the brake pedal.
If you se lect t he R posit io n dur ing a Stop phase,
the e ngine will sta rt ag ain.
Sh ift from D/S to P qu ic kl y to prevent the eng ine
from starting uni ntent io na lly when sh if ti ng
th rough R.
You can determine for yourself if t he engine w ill
stop o r not by re duc ing or inc reasing the amount
of force you use to p ress the b rake pedal. Fo r ex
amp le, if yo u only ligh tly press o n the brake ped
a l in s top- and and-go traffic or when turning, the
engine will not switch off when the veh icle is sta
tiona ry. As soon as you press the brake down
h arder, the engine will switch off .
{i) Tips
-Press the brake peda l during a stop phase to
keep the vehicle from rolling.
- The igni tio n wi ll turn off if y ou press the
! START ENGINE STOPI * button dur ing a
stop p hase .
- Th e image in the displ ay is s ligh tly d ifferent
in some models.
General information
Applies to vehicles: with Start-Stop-System
The standard Start-S top-mode can be can celled
for different system -related reasons .
Fig. 1 05 In str um ent cl uste r: E ngi ne-Stop te mpo rari ly un
ava ilab le
Engine will not switch off
.... .., .... 0
~ m
Befo re each sto p phase, t he system checks if cer
ta in conditions have been met. For example, t he .,.
..... N
co ~ CX)
..... I.Cl U"I
..... I.Cl .....
engine will no t be switched off in the following
situations:
- The eng ine has not reached the m in imum re
quired temperature for Start-Stop-mode.
- T he interior temperature selected by the A/C
system has not been reached.
- The outs ide temperatu re is ext remely h igh/low.
- The w indshield is being defrosted
¢ page 82.
-The parking system* is switched on.
- The battery charge level is too low.
- The steering whee l is sharply turned or there is
a steering movement.
- After engaging the reverse gear.
- On sharp inclines .
IIJ appears in the instrument cluster display and
§ii;Ff&Ff ~lso appears in the tr ip comp ute r.
Engine automatically re starts
The stop phase is interrupted in the following sit
uations, for example . The eng ine restarts without
any action by the driver .
- The interior temperature varies from the tem
perature se lected in the A/C system .
- The windshield is beeing defrosted
¢ page 82.
- The brake pedal is pressed several times in a
row.
- The battery charge level becomes too low.
- High power cons umption .
IIJ appears in the instrument cluster display and
H§;Ff&Fii ~lso appears in the tr ip comp ute r.
Switching the ignition off autom atically
To prevent the battery from draining, the ignition
will switch off
automati cally when all of the fol
lowing cond itions have been met:
- The veh icle has already been driven.
- The eng ine has been turned off by the Start-
Stop-System .
- The driver's door is opened .
- T he dr iver's seat bel t is removed.
- The brake pedal is not pressed down.
- T he veh icle is stationary .
In this case, the activated low beam will be re
placed by the s ide marker lights . The side marker
D rivi ng
lights will switch of f after approximate ly 30 m i
nutes or when you lock the veh icle.
If t he Start-S top-System has not turned off the
engine or if you have swi tched the S tart -Stop
System off manually, the ignition will
not be au
tomatica lly switched off and the eng ine wi ll con
t in u e to run¢& .
A WARNING <= -
Never allow the engine to run in confined
spaces -danger of asphyx iation.
(D Tips
If you shift into the 0/S or N positions after
shifting into reverse, the vehicle must be dr iv
en faster than 6 mph (10 km/h) in order for
the engine to switch off again .
Switching the Start-Stop -System on /off
manually
App lies to vehicles: wi th Start -S top-Syste m
If you do not wish to use the system, you can
switch it off manually.
= , __ (A)Off _ --"'-- f'~-.::a-----
Fig . 10 6 Cen ter co nsole: S ta rt -Stop -System button
.. To switch the Start -Stop-System on/off man
ually, press the
I CAJ ,,.I button. The LED in the b ut
ton turns on when the system is switched off .
In vehicles without the M MI*, the
!CA.> "'! button is
found underneath the se lector lever.
(D Tips
If y ou swit ch the system off d uring a stop
phase, the engine will st art aga in automati
ca lly.
93
Driving
Messages in the instrument cluster display
Applies to vehicles: with Start-Stop-System
Start-stop system: deactivated. Please
restart engine manually
This message appears when specific conditions
are not met during a stop phase and the Start
Stop -System wi ll
not be able to restart the en
gine. The engine must be started with the key or
with the
! START ENGINE STOPI* button .
Start-stop system: system fault. Function
unavailable
There is a malfunction in the Start-Stop-System .
Drive the vehicle to an authorized repair facility
for servicing as soon as possible to correct the malfunction.
Transmission: Car may roll! Shift to pa rk!
This message appears if the selector lever is not
in the
P position when the driver's door is
opened. You will also hear a warning tone. Shift
the selector lever to the
P position. Otherwise,
the vehicle could roll.
Speed warning system
Overview
The speed warning system helps you to keep your
driving speed below a set speed limit.
The speed warning system warns if the driver ex
ceeds a prev ious ly stored maximum speed. A
warn ing tone w ill sound as soon as the vehicle
speed exceeds the set speed by about
3 mph
(3 km/h). At the same time, a wa rning symbo l
appears in the display. The symbol's appearance
might be different in some models.
The speed warning system has
two warning
thresholds that function independently of each
other and that have somewhat different purpos
es:
Speed warning 1
You can use speed warning 1 to set the maximum
speed while yo u are driving. This setting will re
main in effect unti l yo u turn off the ignition, as-
94
suming that you have not changed or reset the
setting .
The speed warning symbol. (USA models)/ .
(Canada models) in the warning 1 disp lay ap
pears when you exceed the maxim um speed. It
goes out when the speed falls below the stored
max imum speed .
The speed warning symbol will also go out if the
speed
exceeds the stored maximum speed by
more than about 2S mph (40 km/h) for at least
10 seconds . The stored maximum speed is delet
ed.
Setting speed warning 1
¢page 95.
Speed warning 2
Storing warning 2 is recommended if you always
want to be reminded of a ce rtain speed, for ex
amp le when you are traveling in a country that
has a genera l maximum speed limit, or if you do
not want to exceed a specified speed for winter
tires.
The speed warning 2 symbol ,. (USA mode ls)/
• (Canada models) appears in the display when
you exceed the stored speed limit. Unlike warn
ing 1, it will not go out until the vehicle speed
drops below the stored speed limit.
Setting speed wa rning 2
¢page 95.
(D Tips
Even though your vehicle is eq uipped with a
speed warning system, you should still watch
the speedometer to make sure you are not
driving faster than the speed limit.
Hybrid
Starting the vehicle
Applies to vehicles: with hybrid drive
The vehicle is started and turned off either with
the ignition key~
page 84 or w it h the
I S T AR T ENG INE S TOPI button* ¢ page 87 in the
same way as a conven tional vehicle .
When start ing the veh icle, the needles in the in
s trumen t clus ter move upward briefly . When the
veh icle enters drive ready mode, the status mes
sage
hybrid ready appears briefly in the instru
ment cluster display and the needle in the power
meter points to
READ Y¢ page 98 .
Depending on the operation mode of the hybrid
system, there are two possible drive ready modes
after the vehicle has been started:
Driv e re ady mode with combustion engine
If the operat ing req uirements ¢page l00for
elec tric drive mode are n ot met, the combust ion
Power meter overview
Applies to vehicles: with hybrid drive
engine starts the vehicle as usual. You can start
driving as usual.
Drive ready mod e with the el ectric motor
If the operating requirements ¢ page 100 for
the e lec tric dr ive mode are met, the comb ustion
engine rema ins off after starting the vehicle .
(D Tips
To prevent the 12 volt batte ry from discharg
i ng , never leave the vehicle parked in t he d rive
r eady mode . Remove the key from the igni
tion or press the
I S TAR T ENGINE STOP ! but
ton* . When leaving the ve hicle always take
the key with you.
The power meter shows the hybrid drive condition and the availability of the hybrid system.
Fi g. 11 0 Power meter overv iew
An economica l driv ing and recuperation range is
shown in g reen. A driving range that is not eco
nom ical is shown in o range. In addition , the bat
tery status provides informat ion a bout the h igh
voltage battery charge stat us.
98
@ Fuel efficient dr iv ing within the
combust io n eng ine's pa rtial load
r an ge
@ System lim its for electr ic driving in
the EV mode
@ El ectr ic dr iving o r driving with the
combustio n eng ine ( EFFICIENCY)
© Vehicle drive ready (READY)
® H igh voltage battery charge status
@ Recupe ration (CHARG E)
(J) Driving within the combustion en
g ine's full load range
@ 100% combust ion engine
® Boosting - the elect ric engine as
sists the combustion engine (BOOST)
@ E ngaging the conve ntiona l brakes
with recuperat ion
@ Vehicle not drive ready (OFF)
@ EV mode act ive
The need le remains at
OFF whe n the ignition is
turned on. When the veh icle enters drive ready
mode, the status message
hybrid ready appears
briefly in the instrument cluster d isplay and the
needle in the powe r meter poi nts to
READY .
Indicator lights and messages
Applies to vehicles: with hybrid drive
The indica to r li gh ts in the inst rument cluste r
b link or tur n on. They indicate functions or mal
f u nctions .
W ith some ind icator lights, messages may ap
pear and a warning tone may sou nd . A lso note
the ind icator lights in
<=:> page 2 7.
Press brake pedal to start vehicle
This message appears if you do not press the
b rake pedal whe n starting the vehicle.
Shift to N or P to start vehicle
This message appea rs if the selecto r leve r fo r the
automatic transm iss ion is not in the Nor P posi
tions whe n starting the vehicle .
-Hybrid drive: System fault! Power
brakes , steering malfunction pos sible
If the indicator lig ht turns on and th is message
appears, there is a malfunction in the hybrid sys
tem. The brake booster and the power steeri ng
~ may stop working . Stop the vehicle in a safe loca -
co g:; tion as soon as possible.
Hybrid
You may con tinue dr iving i f the indicator light
tu rns off after sta rt ing the ve hicl e several times .
Drive to an authorized repa ir facility immed iate ly
to have the malfunction cor rected .
f#iifj:j;jj,j Hybrid drive: System fault! Contact
dealer
If the indicator light turns on and this message
appea rs, there is a ma lfunction in the hybrid sys
tem. Drive to an autho rized repair fac ility imme
diately to have the malfunct io n corrected.
(II Hybrid system : Performance rest ricted .
Please contact dealer
If the indicator light turns on and this message
appears, there is an eng ine control malfunction .
The
[Ia i ndica to r li ght in the ins trument clus te r
also t urns on. The engine ou tput is red uced .
Dr ive to your authori zed A udi dealer or qualified
r ep air fa cility i mme diate ly to h ave the m alfu n c
t io n corre cte d.
Hybrid drive deactivated. Please restart
engine manually.
T h is m ess age appe ars if t he high vo lt a ge b attery
c h arge leve l h as fallen below a cer tain range or i f
t h e ig nition key is no longer i nsid e the veh icle for
vehicles with the convenience key* .
Start the engi ne w it h eithe r th e ig nitio n key
<=:> page 84 o r wi th the !START ENGI NE STOPI
button* <=:> page 87.
Hybrid battery: Low battery charge. Battery
will be charged while driving.
T h is mess age app ea rs if the high vo lt a ge b att ery
c h arge leve l has fallen be low a certa in range . If
t hi s message turns off afte r a litt le while, the
high voltage battery cha rged enoug h while driv
ing .
If the message does not turn off, have an au thor
ized repair facility cor rect the ma lf u nction as
soon as possib le .
EV mode is currently unavailable.
Th is me ssa ge appears if the con ditions
<=:> page 10 0 for enhanced ele ctric drivi ng ar e not
met. Try aga in at a late r time .
99