parking brake MERCEDES-BENZ CLA 2018 Owners Manual

Searching for am obil ep hone
(device manager ). .......................... 234
see also Digital Operator's Man-
ua l. ................................................. 229
Telephony ...................................... 233
Brake Assist
see BAS (Brake Assist System)
Brake fluid
Displa ym essage ............................ 197
Note s. ............................................ 318
Brake forc ed istribution
see EBD (electroni cb rake force
distribution)
Brake lamp
Replacing bulb s. ............................ 106
Brake lamps
Displa ym essage ............................ 202
Brakes
ABS .................................................. 61
BAS .................................................. 61
Brake fluid (notes) ......................... 318
Braking assistance appropriate to
the situation ..................................... 63
Displa ym essage ............................ 192
EBD .................................................. 67
Hil ls tart assis t. .............................. 125
HOLD function ............................... 157
Important safety notes .................. 146
Maintenance .................................. 147
Parking brake ................................ 142
Riding tip s. ..................................... 146
Warning lamp ................................. 219
Brakin ga ssistanc ea ppropriate to
the situation
Function/note s. ............................... 63
Breakdown
Where will If ind...? ........................ 269
see Fla tt ire
see Tow-starting
see Towing away
Button sont he steering wheel ......... 177
C
California
Important notice for retail cus-
tomers and lessees .......................... 25 Calling up am alfunction
see Displa ym essages
Car
see Vehicle
Care
Ca rw as h. ....................................... 262
Carpets .......................................... 268
Displa y. .......................................... 266
Exhaus tp ip e. ................................. 266
Exterior lights ................................ 265
Gear or selector lever .................... 267
Interior ........................................... 266
Matte finish ................................... 264
Note s. ............................................ 262
Paint .............................................. 263
Plastic trim .................................... 266
Power washe r. ............................... 263
Rear vie wc amera .......................... 265
Roof lining ...................................... 268
Sea tb el t. ....................................... 267
Sea tc ove r. .................................... 267
Sensors ......................................... 265
Steering whee l. .............................. 267
Tri mp ie ce s. ................................... 267
Washing by hand ........................... 262
Wheel s. .......................................... 264
Window s. ....................................... 264
Wipe rb lade s. ................................. 265
Woode nt rim .................................. 267
Carg oc om partmen te nl argement ... 240
Carg ot ie dow nr ings ......................... 241
CD
see also Digital Operator's Man-
ua l. ................................................. 229
CD player (on-board computer) ........ 183
Cente rc on sole
Lower section .................................. 36
Upper section .................................. 35
Central locking
Automati cl oc king (on-board com-
puter) ............................................. 187
Locking/unlocking (SmartKey ). ....... 70
Chang eofa ddress .............................. 26
Chang eofo wner ship .......................... 26
Changin gaw heel
Wh eels an dt ire s. ........................... 3086
Index

ESP ®
(Electroni cS tability Pro-
gram) ............................................... 64
Important safety information ........... 61
Overview .......................................... 61
STEER CONTROL ............................. 68
Driving system
Distance Pilo tD ISTRONI C. ............ 151
DYNAMIC BODY CONTROL ............ 160
Parking assis tP ARKTRONIC .......... 161
Parking Pilo t. ................................. 164
RAC ES TAR T( Mercedes-AMG
vehicles) ........................................ 158
Start-off assis t. .............................. 158
Drivin gs ystems
AMG adaptive sport suspension
system ........................................... 159
ATTENTIO NA SSIST ........................ 171
Blind Spot Assist ............................ 172
Cruise control ................................ 149
Displa ym essage ............................ 207
HOLD function ............................... 157
Lane Keeping Assist ...................... 174
Lane Tracking packag e. ................. 172
Rear vie wc amera .......................... 167
Drivin gt ips
Automati ct ransmissio n. ................ 133
Brakes ........................................... 146
Break-in perio d. ............................. 121
Checking brake lining thickness .... 147
Distance Pilo tD ISTRONIC ............. 156
Downhil lg radient ........................... 146
Drinking and driving ....................... 144
Driving in winter ............................. 148
Driving on floode dr oads ................ 148
Driving on we tr oads ...................... 148
Exhaus tc heck ............................... 144
Fue l. ............................................... 144
Genera l. ......................................... 144
Hydroplaning ................................. 148
Icy roa ds ur faces ........................... 148
Limite db raking efficiency on sal-
ted roads ....................................... 147
Snow chains .................................. 290
The first 1000 miles (150 0k m) ..... 121
Wet roa ds ur face ........................... 146
DVD video
Operating (on-board computer) ..... 183 see also Digital Operator's Man-
ua l. ................................................. 229
DYNAMI CS ELECT button
Climate control (3-zone automatic
climate control ). ............................ 115
Climate control (air-conditioning
system) .......................................... 112
DYNAMI CS E LECT b
utto n( al lv eh i-
cles except Mercedes-AMG vehi-
cles) .................................................... 128
DYNAMI CS ELECT controller
(Mercedes-AM Gv eh icles) ................. 129
E EBD (electroni cb rake forc ed istri-
bution)
Displa ym essage ............................ 194
Function/note s. ............................... 67
EC Od isplay
Function/note s. ............................ 145
On-board compute r. ...................... 180
EC Os tart/sto pf unction
Automati ce ngine start .................. 126
Automati ce ngine switch-off .......... 126
Deactivating/activating ................. 127
Genera li nformation ....................... 126
Important safety notes .................. 126
Introduction ................................... 125
Electronic Stability Program
see ESP ®
(Electronic Stability Program)
Emergency
Automati cm easures afte rana cci-
dent ................................................. 54
Emergenc yr elease
Driver's doo r. ................................... 77
Vehicl e. ............................................ 77
Emergenc yT ensionin gD ev ices
Activation ......................................... 52
Emission sc on trol
Service and warranty information .... 25
Engine
Check Engine warning lamp ........... 224
Displa ym essage ............................ 205
ECO start/stop function ................ 125
Engine number ............................... 315
Irregula rr unning ............................ 127
Jump-starting ................................. 278 Index 9

Grade (gasoline) ............................ 316
Importan ts afety note s. ................ .3 16
Problem (malfunction) .................. .1 40
Refueling ........................................ 138
Tank content/reserve fuel ............. 316
Fue lf iller flap
Opening ......................................... 139
Fue ll evel
Calling up the range (on-board
computer) ...................................... 180
Fue lt ank
Capacity ........................................ 316
Problem (malfunction) ................... 140
Fuses
Allocation chart ............................ .2 85
Before changing ............................ .2 84
Fuse box in the engine compart-
ment .............................................. 285
Fuse box in the front-passenger
footwell .......................................... 285
Important safety notes .................. 284
G Garage door opener
Clearing the memory ..................... 254
General notes ................................ 252
Important safety notes .................. 252
Opening/closing the garage door .. 254
Problems whe np rogramming ....... .2 54
Programming (button in the rear-
view mirror) ................................... 252
Synchronizing the rolling code ....... 253
Gasoline ............................................. 316
Gear indicator (on-board com-
puter, Mercedes-AMG vehicles) ....... 188
Genuine parts ...................................... 24
Glove box .......................................... .2 38
Google ™L oc al Search
see also Digita lO perator's Man-
ua l. ................................................ .2 29
H
Handbrake
see Parking brake
HANDS-FRE EA CCES S .......................... 79 Hazard warning lamps
Display message ............................ 216
Switching on/off ........................... 102
Head restraints
Adjusting ......................................... 92
Adjusting (manually ). ....................... 93
Adjusting (rear) ................................ 93
Headlamps
Fogging up ..................................... 103
see Automatic headlamp mode
Heating
see Climate control
High beam flasher ............................ .1 01
High-beam headlamps
Adaptive Highbeam Assist ............. 102
Display message ............................ 203
Replacing bulbs ............................ .1 06
Switching on/off ........................... 101
Hill start assist .................................. 125
HOLD function
Activating ....................................... 157
Activatio nc onditions ..................... 157
Deactivating ................................... 157
Display message ............................ 207
Function/notes ............................ .1 57
Home address
see also Digita lO perator's Man-
ua l. ................................................ .2 29
Hood
Closing .......................................... .2 58
Display message ............................ 215
Important safety notes .................. 257
Opening ......................................... 257
Horn ...................................................... 32
Hydroplaning ..................................... 148
I
Ignitio nl ock
see Key positions
Immobilizer .......................................... 68
Indicator lamp
Replacing bulbs (rear) .................... 106
Indicator lamps
see Warning and indicator lamps
Indicators
see Turn signals Index 11

Introduction to the restraint sys-
tem .................................................. 40
Occupant Classification System
(OCS) ............................................... 47
PASSENGER AIR BAG indicator
lamp s. .............................................. 41
Pets in the vehicle ........................... 60
Restraint system warning lamp ........ 41
Seat belt .......................................... 41
OCS
Conditions ....................................... 48
Faults ............................................... 51
Operation ........................................ .4 8
System self-test ............................... 50
Odometer ........................................... 180
On-board computer
AMG menu ..................................... 188
Assistance graphi cm enu ............... 185
Assistance menu ........................... 184
Audio menu ................................... 182
Convenience submenu .................. 188
Displa ym essages .......................... 190
Displaying as ervice message ........ 261
Factory settings ............................. 188
Important safety notes .................. 176
Instrument cluster submenu .......... 186
Lighting submenu .......................... 187
Menu overview .............................. 179
Message memory .......................... 191
Navigation menu ............................ 181
Operation ....................................... 177
RACETIMER ................................... 189
Service menu ................................. 186
Setting sm enu ............................... 186
Standard display ............................ 180
Telephone menu ............................ 183
Tri pm enu ...................................... 180
Vehicl es ub menu ........................... 187
Video DVD operation ..................... 183
Opening and closin gt he side trim
panels ................................................. 106
Operatin gs afety
Declaration of conformity ................ 27
Important safety notes .................... 27
Operatin gs ystem
see On-board computer
Operation
Digital Operator's Manua l. ............... 23 Operator's Manual
Vehicl ee quipment ........................... 25
Outside temperature display ........... 176
Overhead contro lp anel ...................... 39
Override feature
Rear side w indow s. .......................... 60
P Paint code number ............................ 314
Paintwork (cleaning instructions) ... 263
Panic alarm .......................................... 40
Panorama roo fw it hp ower tilt/
sliding panel
Important safety notes .................... 85
Operating ......................................... 86
Operating the rolle rs un blind sf or
the sliding sunroo f. .......................... 87
Problem (malfunction) ..................... 89
Reversing feature ............................. 86
Parking
Important safety notes .................. 141
Parking brake ................................ 142
Parking position for the exterior
mirror on the front-passenger
side .................................................. 98
Rear vie wc amera .......................... 167
Parking aid
see Exterior mirrors
see Rear vie wc amera
Parking Assist PARKTRONIC
Deactivating/activating ................. 163
Driving system ............................... 161
Function/note s. ............................ 161
Important safety notes .................. 161
Problems (malfunctions ). ............... 163
Senso rr ang e. ................................ 161
Warning display ............................. 162
Parking assistance
see Parking Assist PARKTRONIC
Parking brake
Applying automaticall y. .................. 143
Applying or releasing manually ...... 142
Displa ym essage ............................ 194
Electric parking brake .................... 142
Emergency braking ........................ 143
Genera ln otes ................................ 142
Releasing automaticall y. ................ 14314
Index

Lowering ........................................ 311
Maintenance .................................... 26
Parking for al ong perio d. ............... 143
Pulling awa y. .................................. 125
Raising ........................................... 309
Reporting problems ......................... 28
Securing from rolling away ............ 309
Transporting .................................. 283
Unlocking (i nane mergency) ........... 77
Unlocking (SmartKey ). ..................... 70
Vehicl ed at a. .................................. 320
Vehicl ed ata
Roof load (maximum) ..................... 320
Trunk load (maximum) ................... 320
Vehicl ed imensions ........................... 320
Vehicl ee mergenc yl oc king ................ 77
Vehicl ei dentificatio nn umber
see VIN
Vehicl ei dentificatio np late .............. 314
Vehicl et oo lk it .................................. 270
Ventilation
Setting the vents ........................... 120
Video
Operating the DVD ......................... 183
see also Digital Operator's Man-
ua l. ................................................. 229
VIN
Sea t. .............................................. 315
Type plate ...................................... 314
W
Warning and indicator lamps
ABS ................................................ 220
Active Brake Assist ........................ 227
Brakes ........................................... 219
Check Engine ................................. 224
Coolant .......................................... 225
Distance warning ........................... 227
ESP ®
.............................................. 221
ESP ®
OFF ....................................... 222
Fue lt ank ........................................ 224
Overview .......................................... 33
PASSENGER AIR BAG ...................... 41
Reserve fue l. .................................. 224
Restraint system ............................ 224
Sea tb el t. ....................................... 218
SPOR Th an dling mod e. .................. 222 Tire pressure monitor .................... 228
Warning triangle ................................ 270
Warranty .............................................. 25
Washer fluid
Displa ym essage ............................ 216
Weather display (COMAND)
see also Digital Operator's Man-
ua l. ................................................. 229
Wheel and tire combinations
Tires ............................................... 312
Wheel bolt tightenin gt orque ........... 311
Wheel chock ...................................... 309
Wheels
Changing aw heel .......................... 307
Checking ........................................ 287
Cleaning ......................................... 264
Important safety notes .................. 287
Information on driving .................... 287
Interchanging/changing ................ 307
Mounting an ew whee l. .................. 310
Removing aw heel .......................... 310
Storing ........................................... 308
Tightening torque ........................... 311
Wheel size/tire size ....................... 312
Wheel sa nd tires
Changing aw heel .......................... 308
Window curtai na ir bag
Displa ym essage ............................ 199
Operation ......................................... 47
Windows
see Sid ew in dows
Windshield
Defrosting ...................................... 117
Windshiel dw asher system
Adding washe rf luid ....................... 260
Important safety notes .................. 319
Windshiel dw ip ers
Displa ym essage ............................ 216
Problem (malfunction) ................... 109
Replacing the wipe rb lade s. ........... 108
Switching on/of f. .......................... 107
Winter driving
Slippery roa ds ur faces ................... 148
Snow chains .................................. 290
Winter operation
Genera ln otes ................................ 289
Wi n
ter tires
M+S tire s. ...................................... 289Index 21

G WARNING
If you leave children unsupervised in the vehi-
cle, they coul ds et it in motion by, for example:R
release the parking brake. R
shift the automatic transmission out of the
parking position P .R
start the engine.
In addition, they may operate vehicl ee quip-
ment and become trapped. There is ar isk of
an accident and injury.
When leaving the vehicle, alway st ake the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
G WARNING
If persons, particularl yc hildren are subjected
to prolonged exposure to extreme hea to r
cold, there is ar isk of injury ,p ossibly even
fatal .N ever leave children unattended in the
vehicle.
G WARNING
If the child restraint system is subjected to
direct sunlight, parts may get very hot. Chil-
dren may burn themselves on these parts,
particularl yont he metal parts of the child
restraint system. There is ar isk of injury.
If you leave the vehicle, taking the child with
you ,a lway se nsure that the child restraint
system is not expose dtod irect sunlight. Pro-
tect it with ab lanket, for example. If the child
restraint system has been expose dtod irect
sunlight, let it cool dow nb efore securing the
child in it. Never leave children unattended in
the vehicle.
Always ensure that all vehicl eo ccupants have
their seat belts fastened correctly and are sitting
properly .P articular attention must be pai dt o
children.
Observe the safety notes on the seat belt
( Y
pag e4 2) and the notes on correct use of seat
belts ( Y
pag e4 3).
Ab ooster seat may be necessary to achieve
prope rs eat bel tp ositioning for children over
41 lbs (18 kg )u ntil they reach ah eight where a three-point seat bel tc an be properly fastened
without ab ooster seat.
Special seatbelt retractor
G WARNING
If the seat bel tisr eleased while driving, the
child restraint system wil lnol onger be
secure dp roperly .T he special seat bel tr etrac-
tor is disable da nd the inertia real draw sina
portion of the seat belt. The seat bel tc annot
be immediatel yr efastened. There is an
increased risk of injury ,p ossibly even fatal.
Stop the vehicl ei mmediately, paying atten-
tion to road and traffic conditions. Reactivate
the special seat bel tr etractor and secure the
child restraint system properly.
All seat belts in the vehicle, except the driver's
seat belt, are equipped with as pecial seat belt
retractor. When activated, the special seat belt
retractor ensure st hat the seat bel tc annot
slacken once the child seat is secured.
Installing ac hild restraint system: X
Make sure you observe the child restraint
system manufacturer's installation instruc-
tions. X
Pul lt he seat bel ts moothly from the bel to ut-
let. X
Engage seat bel tt ongue in bel tb uckle.
Activating the special seat bel tr etractor:X
Pul lt he seat bel to ut full ya nd let the inertia
reel retract it again.
Whil et he seat bel tisr etracting, you should
hear ar atcheting sound .T he special seat belt
retractor is enabled. X
Push the child restraint system dow nsot hat
the seat bel tist ight and does not loosen.
Removing the child restraint system and deac-
tivating the special seat bel tr etractor:X
Make sure you observe the child restraint
system manufacturer's installation instruc-
tions. X
Press the release button of the seat belt
buckle and guide the seat bel tt ongue back
toward st he bel ts ash guide.
The special seat bel tr etractor is deactivated.Children in the vehicle 55
Safety Z

Rearward-facin gc hild restraint systemIf it is absolutely necessary to install ar earward-
facing child restraint system on the front-
passenger seat, always make sure that the
front-passenger front ai rb ag is deactivated.
Only if the PASSENGER AIR BAG OFF indicator
lamp is permanently li t( Y
page 41 )i st he front-
passenger front ai rb ag deactivated.
Alway so bserve the child restraint system man-
ufacturer's installation and operating instruc-
tions.
Forward-facing child restraint system If it is absolutely necessary to install af orward-
facing child restraint system on the front-
passenger seat, always move the front-
passenger sea ta sf ar back as possible .F ully
retract the sea tc ushio nl en gth. The entir eb as e
of the child restraint system mus ta lway sr es to n
the sea tc ushio noft he front-passenger seat.
The backrest of the child restraint system must
li easf la ta sp ossible against the backrest of the
front-passenger seat. The child restraint system
mus tn ot touch the roo forbes ub jecte dtoal oa d
by the hea dr estraint. Adjust the angle of the
sea tb ac krest and the hea dr estraint position
accordingly .A lway sm ake sure that the shoul-
der bel ts tra pisc orrectly routed from the vehi-
cle bel to ut let to the shoulder bel tg uide on the
child restraint system. The shoulder bel ts trap
mus tb er outed forward and dow nf rom the vehi-
cle bel to ut let. If necessary, adjust the vehicle
bel to ut let and the front-passenger sea ta ccord-
ingly.
Alway so bserve the child restraint system man-
ufacturer's installation and operating instruc-
tions. Child-proof locks
Important safety notes
G WARNING
If children are traveling in the vehicle, they
could: R
ope nd oors, thu se ndangering othe rp eople
or roa du se rs R
exi tt he vehicl ea nd be caught by oncoming
traffic R
operate vehicl ee quipment and become
trapped
There is ar is kofana ccident and injury.
Alway sa ctivate the child-proof locks and
overrid ef eature if children are traveling in the
vehicle. Whe nl ea ving the vehicle, always take
the key with yo ua nd lock the vehicle. Never
leave children unattende dint he vehicle.
Overrid ef eature for: R
the rea rd oors ( Y
page 60) R
the rea rs id ew in dow s( Y
page 60)
G WARNING
If yo ul ea ve children unsupervised in the vehi-
cle ,t hey could set it in motion by ,f or example:R
release the parking brake. R
shift the automatic transmissio no ut of the
parking position P . R
star tt he engine.
In addition, they may operate vehicl ee quip-
ment and become trapped .T here is ar is ko f
an accident and injury.
Whe nl ea ving the vehicle, always take the
SmartKey with yo ua nd lock the vehicle. Never
leave children unsupervised in the vehicle.
G WARNING
If persons ,p ar ticularly children are subjected
to prolonged exposure to extreme hea to r
cold, there is ar is kofi njury, possibly even
fatal. Neve rl ea ve children unattende dint he
vehicle.Childre nint he vehicle 59
Safety Z

Important safety notes
i Observ et he "Importan ts afet yn otes "s ec -
tion ( Y
page 61).
G WARNIN G
If BA Sism alfunctioning ,t he braking distanc e
in an emergenc yb raking situation is
increased. Ther eisar is kofana ccident.
In an emergenc yb raking situation ,d epress
th eb rak ep edal wit hf ull force .A BS prevents
th ew heels from locking.
Braking X
Kee pt he brak ep edal firmly depressed until
th ee mergenc yb raking situation is over.
AB Sp revents th ew heels from locking.
The brakes will function as usual once you
release th eb rak ep edal .B AS is deactivated.
Active Brak eA ssist
General information
i Observ et he "Importan ts afet yn otes "s ec -
tion ( Y
page 61).
Active Brake Assist consist sofad istanc ew arn -
ing function wit hana utonomous braking func-
tion and situation-dependen tb raking assis-
tance
Active Brake Assist can help you to minimiz et he
ris kofac ol lision wit ht he vehicl et ra veling in
fron torr educe th ee ffects of suc hac ol lision .
If Active Brake Assist detects that there is ar is k
of collision ,y ou will be warned visually and
acoustically. If you do no tr eac ttot he visual and
audible collision warning ,a utonomous braking
can be initiate dinc riti cal situations. If you apply
th eb rak ey ourself in ac riti cal situation ,A da p-
tive Brake Assist support sy ou wit hs ituation -
dependen tb raking assistance.
Important safety notes
Detection of hazardous situation sc an be par-
ticularly impaired if: R
there is dirt on th es ensor sora nythin ge lse
covering th es ensor sR
there is snow or heav yr ainR
there is interferenc ebyo th er radar source s R
there are stron gr adar reflections, for exam-
ple in parking garages R
an arrow vehicl eist ra veling in front, e.g. a
motorbike R
av ehicl eist ra veling in fron tonad ifferen tl in eR
you are driving an ew vehicl eors ervicing on
th eA ctiv eB ra ke Assist system has jus tb een
carrie do ut
Observ et he important safet yn otes in th e
"Breaking-in notes" section ( Y
page 121).
Followin gd amag etot he fron te nd of th ev ehicle,
hav et he configuration and operation of th e
radar sensor checke dataq ualified specialist
workshop. This also applie stoc ol lision satl ow
speeds wher enov isible damag etot he fron to f
th ev ehicl eisa pparent.
Activating/deactivating Active Brake Assist is active after every ignition
cycle.
You can activat eord eactivat eA ctiv eB ra ke
Assist ( Y
page 185) in th eo n-bo ard computer.
When deactivated, th ed istanc ew arning func-
tion and th ea utonomous braking function are
also deactivated.
If Active Brake Assist is deactivated, th e

SmartKey
Important safety notes
G WARNING
If children are left unsupervised in the vehicle,
they could: R
open the doors, thus endangering other
people or road users. R
get out and disrupt traffic. R
operate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they: R
release the parking brake. R
shifting the automatic transmission out of
park position PR
Start the engine.
There is ar isk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.
G WARNING
If you attach heavy or large object stot he
SmartKey, the SmartKey could be uninten-
tionally turned in the ignition lock. This could
cause the engine to be switched off. There is a
risk of an accident.
Do not attach any heavy or large object stot he
SmartKey. Remove any bulky key rings before
insertin gt he SmartKey into the ignition lock.
! Keep the SmartKey away from stron gm ag-
netic fields. Otherwise, the remote control
function could be affected.
Strong magnetic fields can occur in the vicin-
ity of powerful electrical installations.
Do not keep the SmartKey: R
with electronic devices, e.g. am obile phone
or another SmartKey. R
with metallic objects, e.g. coins or metal foil. R
inside metallic objects, e.g. am etal case
Vehicles with KEYLESS-GO star tf unction: do
not keep the SmartKey in the trunk .O therwise, the SmartKey may not be detected, e.g. when
startin gt he engine using the Start/Stop button.
SmartKey functions
C
7 To lock the vehicleD
T To open the trunk lid

! Do not warm up the engine with the vehicle
stationary. Drive off immediately .A void high
engine speeds and driving at full throttle until
the engine has reached its operating temper-
ature.
Only shift the automatic transmission to the
desired drive position when the vehicle is sta-
tionary.
Where possible ,a void spinning the drive
wheels when pulling awa yons lippery roads.
You could otherwise damage the drive train.
! Mercedes-AMG vehicles: avoid full-load
operation and engine speeds greater than
5000 rpm when the engine is cold. This helps
to protect the engine and avoids uncomfort-
able driving.
Key positions
SmartKey
Z
To remove the SmartKey
(shift the transmission to position ] )G
Power suppl yf or some consumers, such as
the windshiel dw ipersH
Ignition (power suppl yf or all consumers)
and drive position
I
To start the engine
i The SmartKey can be turned in the ignition
lock even if it is not the correct SmartKey for
the vehicle. The ignition is not switched on.
The engine cannot be started. Start/Stop button General notes Vehicles with KEYLESS-GO are equipped with
SmartKeys featuring the integrated KEYLESS-
GO function and ad etachable Start/Stop but-
ton.
Ac heck which periodically establishes ar adio
connection between the vehicle and the Smart-
Key determines whether av alid SmartKey is in
the vehicle. This occurs, for example, when
starting the engine.
When you insert the Start/Stop button into the
ignition lock, the system needs approximately
two seconds recognition time. You can then use
the Start/Stop button.
Pressing the Start/Stop button several times in
succession corresponds to the different Smart-
Key positions in the ignition lock. This is only the
case if you are not depressing the brake pedal.
If you depress the brake pedal and press the
Start/Stop button, the engine starts immedi-
ately.
To start the vehicle without actively using the
SmartKey: R
the Start/Stop button must be inserted in the
ignition lock R
the SmartKey must be in the vehicle R
the vehicle must not be locked with the
SmartKey or KEYLESS-GO ( Y
page 71)
Do not keep the KEYLESS-GO key: R
with electronic devices, e.g. am obile phone
or another SmartKey. R
with metallic objects, e.g. coins or metal foil. R
inside metallic objects, e.g. am etal case.
This can affect the functionality of KEYLESS-GO.
If you lock the vehicle with the SmartKey remote
control or with KEYLESS-GO, after as hort time:R
you will not be able to switch on the ignition
with the Start/Stop button. R
you will no longer be able to start the engine
with the Start/Stop button until the vehicle is
unlocked again.
If you lock the vehicle centrally using the button
on the front door ( Y
page 76), you can continue
to start the engine with the Start/Stop button.
The engine can be switched off while the vehicle
is in motion by pressing and holding the Start/
Stop button for three seconds. This function122
Driving
Driving and parking