key battery MERCEDES-BENZ E-CLASS ESTATE 2015 Owners Manual

Activating/deactivating (o
nthe
centre console) .............................. 169
Display message ............................ 327
Important safety note s.................. 168
Setting ........................................... 293
Auxiliary heating/ventilation
Problem (displa ymessage) ............ 173
Remote control .............................. 169
Setting the departur etime ............. 170
Auxiliary ventilation
Activating/deactivating ................. 168
Activating/deactivating (o nthe
centre console ).............................. 169
Axle load, permissibl e(traile rtow-
ing) ...................................................... 489 B
Ball coupling Folding in ....................................... 270
Folding ou t..................................... 268
BAS (Brake Assist System) ................. 78
BAS PLUS (Brake Assist System
PLUS) with Cross-Traffi cAssist
Function/note s................................ 78
Important safety notes .................... 79
Battery (key)
Checking .......................................... 97
Replacing ......................................... 97
Battery (vehicle)
Charging ........................................ 404
Displa ymessage ............................ 312
Important safety notes .................. 401
Jump starting ................................. 405
Belt
see Sea tbelts
Bel ttensioner
Activation ......................................... 53
Blind Spo tAssist
Activating/deactivating (on-
board computer) ............................ 288
Displa ymessage ............................ 317
Notes/function .............................. 257
Trailer towing ................................. 259
see Active Blind Spot Assist
BlueTEC (AdBlue ®
) ............................. 477 Bonnet
Active bonne t(pede strian protec-
tion) ............................................... 378
Closing ........................................... 380
Displa ymessage ............................ 326
Important safety notes .................. 378
Opening ......................................... 380
Boot
Emergency release ........................ 109
Important safety notes .................. 103
Opening/closing (automatically
from inside )................................... 108
Opening/closing (automatically
from outside) ................................. 105
Opening/closing (fro mthe out-
side, HANDS-FREE ACCESS) .......... 106
Opening/closing (manuall yfrom
outside) ......................................... 104
Boo tlid
Displa ymessage ............................ 326
Opening dimensions ...................... 481
Boo tloa d( maximum) ........................ 481
Bottl eholders .................................... 362
Box (boot) ........................................... 354
Brake Assist
see BAS (Brake Assist System)
Brake fluid
Displa ymessage ............................ 303
Note s............................................. 479
Brake forc edistribution
see EBD (electroni cbrake force
distribution)
Brake lamps
Adaptive ........................................... 83
Displa ymessage ............................ 308
Brakes
ABS .................................................. 77
Adaptive Brake Assist ...................... 82
BAS .................................................. 78
BAS PLU SwithC ross-Traffic
Assist ............................................... 78
Brake fluid (notes) ......................... 479
Displa ymessage ............................ 300
Driving tip s.................................... 209
High-performance brake system .... 210
HOLD function ............................... 228
Important safety notes .................. 209
Parking brake ................................ 207 6
Index

Adjusting (manually) ...................... 125
Adjusting (rear
).............................. 126
Fitting/removing (rear ).................. 127
Luxury ............................................ 126
see NECK-PR Oheadr estraints
see NECK-PR Oluxury hea drestraints
Headbag
Displa ymessage ............................ 307
Headlamps
Misting up ...................................... 148
see Automati cheadlamp mode
Heating
see Climate control
High-pressure cleaners .................... 387
Hil lstart assist .................................. 183
HOL Dfunction
Activating ....................................... 229
Deactivating ................................... 229
Displa ymessage ............................ 316
Function/note s............................. 228
Horn ...................................................... 32 I
IC Sp added play table
Fitting .............................................. 64
Important safety notes .................... 63
Ignitio nlock
see Key positions
Immobiliser .......................................... 89
Indicator and warnin glamp
Restraint system ............................ 335
Indicator and warnin glamps
COLLISION PREVENTION ASSIST
PLU S.............................................. 338
Coolant .......................................... 336
Engine diagnostics ......................... 336
SPOR Thandling mod e................... 334
Indicator lamps
Displa ymessage ............................ 308
see Warning and indicator lamps
Indicators
see Turn signals
Insect protection on the radiator .... 380
Instrument cluster
Overview .......................................... 34
Setting s......................................... 289
Warning and indicator lamps ........... 35 Instrument cluste
rlighting .............. 290
Integrated child seat
Folding in ......................................... 63
Folding ou t....................................... 63
IC Sp adde dplayt able ...................... 63
Important safety guideline s............. 62
Sid eheadr estraints ......................... 65
Intelligent Light System
Activating/deactivating ................. 290
Displa ymessage ............................ 309
Overview ........................................ 145
Setting the dipped-beam head-
lamps for driving on the right/left .. 291
Interior lighting
Automati ccontrol system .............. 149
Delayed switch-off (on-board
computer) ...................................... 292
Emergency lighting ........................ 149
Manua lcontrol ............................... 149
Overview ........................................ 148
Reading lamp ................................. 148
Setting brightness for display/
switche s(on -board computer) ....... 290
Setting the ambient lighting
brightness (on-board computer) .... 291
Setting the ambient lighting col-
ou r(on -board computer) ................ 291
Interior motion sensor
Deactivating ..................................... 91
Function ........................................... 91
Priming ............................................ 91
Switching off .................................... 91
ISOFIX child seat securing system .... 59 J
Jack Storage location ............................ 395
Using ............................................. 427
Jump starting (engine) ...................... 405 K
Key Changing the battery ....................... 97
Checking the battery ....................... 97
Convenience closing feature .......... 112
Convenience opening feature ........ 111 Index
13

Example: Saloon
X To unloc kthe boot lid/tailgate: pull the
handl eont he boot lid/tailgate.
The vehicl eonlyu nlocks the boot lid/tail-
gate.
Deactivatin gand activating If yo
udon ot intend to us eakey for an exten-
de dp eriodoft ime,you can deactivate the
KEYLESS-GO functio nofthe key .The key will
then us everyl ittle power, thereb yconserving
battery power. For the purposes of activa-
tion/deactivation, the vehicl edoesn ot have
to be nearby.
X To deactivate: press the&button on
the key twice in rapi dsuccession.
The battery check lamp of the key
(Y page 97 )flashe stwice briefl yand
lights up once ,then KEYLESS-GO is deac-
tivated.
X To activate: press any button on the key or
insert the key into the ignition lock.
KEYLESS-GO and al lofits associate dfea-
tures ar eavailable again. Changin
gthe settings of the locking
system
Yo uc an change the settings of the locking
system .Thism eans tha tonlyt he driver's door
and the fuel fille rflapa reunlocke dwhent he
vehicl eisunlocked. Thi sisusefulify oufre-
quentl ytravel alone. X
To chang ethe setting: simultaneously
press the %and& buttons on the
key for approximatel ysixsecond suntilthe
battery check lamp flashe stwice
(Y page 97).
i If the setting of the locking system is
change dwithi nt he signa lran ge of the vehi-
cle ,pressing the &or% button:
R locks or
R unlocks the vehicle
The key now functions as follows:
X To unloc kthe driver' sdoor: press the
% button once.
X To unloc kcentrally: press the %but-
ton twice.
X To lock centrally: press the&button.
The KEYLESS-GO functio nisc hange dasfol-
lows:
X To unloc kthe driver' sdoor: touch the
inne rsurface of the door handl eonthe
driver's door.
X To unloc kcentrally: touch the inne rsur-
face of the door handl eonthe front-
passenge rdoorort he rea rdoor.
X To lock centrally: touch the outer sensor
surface on one of the door handles.
X To restore the factory settings: press
and hol ddownthe % and& buttons
simultaneously for approximatel ysixsec-
ond suntilthe battery check lamp flashes
twice (Y page 97). Emergenc
ykeyelement
General notes If the vehicl
ecan no longe rbelocked or
unlocke dwitht he key ,use the emergency
key element.
If yo uusethe emergency key element to
unlock and open the driver's door or the boot
lid/tailgate, the anti-thef talarm system will
be triggered (Y page 89).96
KeyOpening and closing

There are several ways to deactivate the
alarm:
X To deactivat ethe alarmw ith the key:
press the %or& button on the key.
or
X Insert the key into the ignition lock.
or X To deactivat ethe alarmw ith KEYLESS-
GO: press the Start/Stop button in the igni-
tion lock. The key must be in the vehicle.
or
X Lock or unlock the vehicle using KEYLESS-
GO. The key must be outside the vehicle.
If you unlock the vehicle using the emergency
key element, the fuel filler flap will not be
unlocked automatically.
X To unlock the fuel filler flap: insert the
key into the ignition lock.
Removing the emergency key element X
Push release catch :in the direction of
the arrow and, at the same time, remove
emergenc ykey element ;from the key.
Further information about: R unlockin gthe driver's door (Y page 102)
R unlockin gthe boot (Y page 109)
R unlockin gthe tailgate (Y page 110)
R lockin gthe vehicle (Y page 103) Inserting the emergency key element X
Push emergenc ykey element ;fully into
the key until it engages and release
catch :return stoits basic position. Battery of the key
Checking the battery X
Press the &or% button.
The battery is working properly if battery
check lamp :lights up briefly.
The battery is discharged if battery check
lamp :does not light up briefly.
X Replace the battery (Y page 97).
i If the battery of the key is checked within
the signal reception range of the vehicle,
pressing the &or% button:
R locks or
R unlocks the vehicle
i You can obtain
abattery from any quali-
fied specialist workshop.
Replacing the battery You require
aCR20253Vc ell battery.
X Take the emergenc ykey element out of the
key (Y page 97). Key
97Opening and closing Z

X
Press emergenc ykey element ;into the
opening in the key in the direction of the
arrow until batter ycompartment cover :
opens. When doing so, do not hold battery
compartment cover :shut.
X Remove batter ycompartment cover :.X
Repeatedly tap the key against your palm
until battery =falls out.
X Inser tthe new batter ywith the positive ter-
minal facing upwards. Use alint-free cloth
to do so.
X Make sure that the surface of the batter yis
free of lint, grease and other contamina-
tion.
X Inser tthe frontt abs of batter ycompart-
ment cover :into the housing and then
press to close it.
X Inser temergenc ykey element ;into the
key.
X Check the function of all key button sonthe
vehicle. 98
KeyOpening and closing

Problems with the key
Problem
Possible causes/consequences and
M
MSolutions You can no longer lock
or unlock the vehicle
using the key. The key battery is discharged or nearly discharged.
X Check the key battery (Y page 97) and replace it if necessary
(Y page 97).
If this does not work: X Lock (Y page 102) or unlock (Y page 103) the vehicle using the
emergency key element. The key is faulty.
X Lock (Y page 102) or unlock (Y page 103) the vehicle using the
emergency key element.
X Have the key checked at aqualified specialist workshop. You can no longer lock
or unlock the vehicle
using KEYLESS-GO. The key battery is discharged or nearly discharged.
X Check the key battery (Y page 97) and replace it if necessary
(Y page 97).
If this does not work: X Lock (Y page 102) or unlock (Y page 103) the vehicle using the
emergency key element. There is interference from
apowerful source of radio waves.
X Lock (Y page 102) or unlock (Y page 103) the vehicle using the
emergency key element. There is
afault with KEYLESS-GO.
X Lock/unlock the vehicle using the remote control function of
the key.
X Have the vehicle and key checked at aqualified specialist work-
shop.
If the vehicle can also not be locked/unlocked using the remote
control function:
X Lock (Y page 102) or unlock (Y page 103) the vehicle using the
emergency key element.
X Have the vehicle and key checked at aqualified specialist work-
shop. You have lost
akey. X
Have the key deactivated at aqualified specialist workshop.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. You have lost the emer-
gency key element. X
Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. Key
99Opening and closing Z

Problem
Possible causes/consequences and
M
MSolutions The engine cannot be
started using the key. The on-board voltage is too low.
X Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
X Check the starter battery and charge it if necessary
(Y page 404).
or
X Jump-start the vehicle (Y page 405).
or
X Consult aqualified specialist workshop. Only for vehicles with
manual transmission:
The engine cannot be
started using the key. The steering lock is mechanically blocked.
X Remove the key and reinsert it into the ignition lock. While doing
this, turn the steering wheel in both directions. The engine cannot be
started using KEYLESS-
GO. The key is in the
vehicle. The vehicle is locked.
X Unlock the vehicle and try to start the vehicle again. There is interference from
apowerful source of radio waves.
X Start your vehicle with the key in the ignition lock. Doors
Important safety notes
United Kingdom only: G
WARNING
When the double locks are activated, the
doors can no longer be opened from the
inside. People in the vehicle can no longer get out, e.g. in hazardous situations. There is a
risk of injury.
Therefore, do not leave any people unsuper-
vised in the vehicle, particularly children, eld-
erly people or people in need of special assis-
tance. Do not activate the double lock when
people are in the vehicle.
If the vehicle has been locked from the out-
side, the double lock function is activated as
standard. It is then not possible to open the
doors from inside the vehicle. You can deac- tivate the double lock function by deactivat-
ing the interior motion sensor (Y page 91).
The doors can then be opened from the inside after the vehicle has been locked from the
outside.
The anti-theft alarm system is triggered if thedoor is opened from the inside. Switch off the
alarm (Y page 89).
All countries: G
WARNING
If children are left unsupervised in the vehicle, they could:
R open doors, thereby endangering other per-
sons or road users
R get out and be struck by oncomingt raffic
R operate vehicle equipment and become
trapped, for example 100
DoorsOpening and closing

X
Turn the key to position 1or 2in the ignition
lock (Y page 179).
X To switch on: press button:repeatedly
until the desired heating level is set.
X To switch off: press button:repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
heating may switch off. Seats
131Seats, steering wheel and mirrors Z

Problems with the seat heating
Problem
Possible causes/consequences and
M
MSolutions The seat heating has
switched off prema-
turely or cannot be
switched on. The on-board voltage is too low because too many electrical con-
sumers are switched on.
X Switch off electrical consumers that you do not need, such as
the rear window heating or interior lighting.
Once the battery is sufficiently charged, the seat heating will
switch back on automatically. Switching the seat ventilation on/off
Switching on/off Driver's and front-passenger seat
The three blue indicator lamps in the buttons
indicate the ventilation level you have selec-
ted.
X Turn the key to position 1or 2in the ignition
(Y page 179).
X To switch on: press button:repeatedly
until the desired ventilation level is set.
X To switch off: press button:repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
ventilation may switch off.
i You can open the side windows and the
sliding sunroof using the convenience
opening feature (Y page 111). The seat
ventilation of the driver's seat automati-
cally switches to the highest level. 132
SeatsSeats, steering wheela
nd mirrors

Problems with the seat ventilation
Problem
Possible causes/consequences and
M
MSolutions The seat ventilation has
switched off prema-
turely or cannot be
switched on. The on-board voltage is too low because too many electrical con-
sumers are switched on.
X Switch off electrical consumers that you do not need, such as
the rear window heating or interior lighting.
Once the battery is sufficiently charged, the seat ventilation will
switch back on automatically. Steering wheel
Important safety notes
G
WARNING
You could lose control of the vehicle while
driving if you:
R adjust the driver's seat, steering wheel or
mirrors
R fasten the seat belt
There is arisk of an accident.
Adjust the driver's seat, head restraint ,steer-
ing wheel and mirrors and fasten your seat
belt before startingt he engine. G
WARNING
Children could become trapped by the steer-
ing wheel if they adjust it. There is arisk of
injury.
When leaving the vehicle, always take the key with you and lock the vehicle. Never leave
children unattended in the vehicle.
The electrically adjustable steering wheel can
still be adjusted when there is no key in the
ignition lock. Adjusting the steering wheel man-
ually
G
WARNING
The steering wheel may move unexpectedly if you adjust it while driving. This could cause you to lose control of the vehicle. There is a
risk of an accident.
Make sure that the steering wheel is locked
before driving off. Never unlock the steering
wheel when the vehicle is in motion.
:
Release lever
; To adjust the steering wheel height
= To adjust the steering wheel position
(fore-and-aft adjustment)
X Push release lever :down completely.
The steering column is unlocked.
X Adjust the steering wheel to the desired
position.
X Push release lever :up completely.
The steering column is locked.
X Check if the steering column is locked.
When doing so, try to push the steering
wheel up or down or try to move it in the
fore-and-aft direction. Steering wheel
133Seats, steering wheela nd mirrors Z