key battery MERCEDES-BENZ E-CLASS SALOON 2017 Owners Manual

Key
Overview of
key functions &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If ch ildren are left unat tended in theve hicle,
th ey could:
R open doo rs,th ereby endangering other
persons or road users.
R get out of theve hicle and be hit by
oncoming traf fic.
R ope rate ve hicle equipment and become
trapped, forex ample.
In addition, children could also set theve hi‐
cle in motion, forex ample, by:
R releasing the parking brake.
R shifting the automatic transmission out of
park position jor shifting manual trans‐
mission into neutral.
R starting the engine. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Never lea vechildren and animals unat‐
te nded in theve hicle. #
Keep theve hicle key out of reach of
ch ildren. *
NO
TEDama getotheke y caused by
magnetic fields #
Keep theke yaw ay from strong mag‐
netic fields. 1
Locks
2 Battery check lamp
3 Unloc ks
4 Opens/closes the boot lid
The key loc ksand unlo cksth efo llowing compo‐
nents:
R The doors
R The boot lid
R The fuel filler flap
If yo u do not open theve hicle within appr ox‐
imately 40 seconds af ter unlocking:
R The vehicle is loc ked again Opening and closing
67

R
Anti-theft pr otection is reactivated
Do not keep theke yto get her with electronic
devices or me tal objects. This can af fect the
ke y's functionalit y.
% If battery check lamp 2does not light up
af te r pressing the% or& button, the
battery is dischar ged.
Changing theke y bat tery ( →page 69). Ac
tivating/deactivating the acoustic lo cking
ve rification signal Multimedia sy
stem:
, Vehicle .
Vehicle settings .
Acoustic
lock feedback #
Activate Oor deacti vate ª the function. Ac
tivating/deactivating the panic alarm Re
quirements:
% The panic alarm function is only available in
cer tain countries.
R The ignition is switched off. #
Toactivate: press button 1for appro x‐
ima tely one second.
A visual and audible alarm is triggered. #
Todeactivate: briefly press but ton1 again.
or #
Press thest art/ stop button on the cockpit
(the key is inside theve hicle). Changing
the unlocking settings Po
ssible unlocking functions of theke y:
R Central unlocking
R Unlocking the driver's door and fuel filler flap #
Toswitch between settings: pressthe
% and& buttons simultaneously for
appr oximately six seconds until the battery
ch eck lamp flashes twice.
If th e unlocking function forth e driver's door
and fuel filler flap has been selec ted:
R Pressing the% button a second time cen‐
trally unloc kstheve hicle.
R Vehicles with KEYLESS-GO: ifyo uto uch
th e inner sur face of the door handle on the
driver's door, only the driver's door and fuel
fi ller flap are unlo cked. Re
ducing the energy consu mption of the key All
vehicles: ifyo u do not use theve hicle or a
ke yfo r an extended pe riod of time, you can
re duce the energy consum ption of there spec‐
tive key. Todo so, deactivate theke y functions. #
Todeactivate: pressthe& button on the
ke y twice in rapid succession.
The battery check lamp of theke yflashes
twice brief lyand lights up once. #
Toactivate: press any button on thekey. 68
Opening and closing

%
When theve hicle is star ted with theke y in
th estow age compartment of the cent recon‐
sole, theke y functions are automatical ly
activated (→ page162). Re
moving/inserting the eme rgency key #
Toremo ve:press release knob 1.
Emer gency key2 is pushed out slight ly.#
Pull out emer gency key2 until it en gage s in
th e intermediate position.
% You can use the intermediate position of
emer gency key2 toattach theke yto akey
ri ng. #
Press release knob 1again and fully
re mo veemer gency key2. #
Toinser t:press release knob 1. #
Insert emer gency key2 tothe intermediate
position or fully until it engages. Re
placing the key battery &
DANG ER Serious damage tohealth
caused byswallowing batteries
Batteries contain toxic and cor rosive sub‐
st ances. Swallowing bat teries may cause
serious damage tohealth.
There is a risk of fata l injur y. #
Keep batteries out of there ach of chil‐
dren. #
If batteries are swallo wed, seek medical
attention immediately. +
ENVIRONMEN
TALNO TEEnvironmental
dama gedue toimproper disposal of bat‐
te ries Batteries conta
in pollutants. It is
illegal todispose of them with the household
ru bbish. #
Dispose of batteries in an
environmen tally responsible manner.
Ta ke dischar ged batteries toaqu alified
specialist workshop or toa collection
point for used batteries. Re
quirements:
R Yourequ ire a CR 2032 3 V cell batter y.
Mercedes-Benz recommends that you ha vethe
battery replaced at a qualified specialist work‐
shop. Opening and closing
69

#
Remo vethe emer gency key ( → page 69). #
Press release button 2down fully and slide
co ver1 inthe direction of the ar row. #
Fold out co ver1 inthe direction of the
ar row and remo ve. #
Remo vebattery compartment 3and take
out the dischar ged batter y. #
Insert the new battery into battery compart‐
ment 3. Obser vethe positive pole marking
in the battery compartment and on the bat‐
te ry. #
Push in battery compartment 3. #
Re-attach co ver1 and push it until it
engages. Problems with
thekey Problem
Possible causes/consequences and M MSolutions
Yo u can no lon ger lock or unlock the
ve hicle. Po
ssible causes:
R The key bat tery is dischar ged or nearly dischar ged.
R There is inter fere nce from a po werful radio signal source.
R The key is faulty. #
Check the battery using the battery check lamp and replace if necessary . #
Use the emer gency keyto lock or unlock . 70
Opening and closing

#
Pull door handle 2.
Locking pin 1pops up when the door is
unloc ked. Centrally locking and unlocking
theve hicle
from the inside #
Tounlo ck:press button 1. #
Tolock: press button 2.
This does not lock or unlock the fuel filler flap.
The vehicle is not unloc ked:
R Ifyo u ha veloc kedth eve hicle using thekey. R
Ifyo u ha veloc kedth eve hicle using KEY‐
LESS-GO. Locking and unlocking
theve hicle with the
mo bile phone (NFC) Re
quirements:
R The vehicle is equipped with the "digital vehi‐
cle key" function.
R The "digital vehicle key" function is activated
via the Mercedes me connect web app:
http://www.mercedes.me.
R A suitable mobile phone with NFC aerial
(Near Field Communication) and Secure Ele‐
ment.
R A suf ficient charge status on the mobile
phone. On some mobile phones, the function
is also available when the battery is dis‐
ch arge d.
% You can check the suitability of your mobile
phone byentering the phone number at
http://www.mercedes.me. 72
Opening and closing

Problem
Possible causes/consequences and M
MSolutions
R The key is faulty. #
Activate KEYLESS-GO . #
Check the battery using the battery check lamp and replace if necessary . #
Use the emer gency keyto lock or unlock theve hicle . #
Have theve hicle and keych ecked at a qualified specialist workshop. Ac
tivating/deactivating the automatic lo ck‐
ing feature The
vehicle is loc ked automatically when the
ignition is switched on and the wheels are turn‐
ing fast erthan walking pace. #
Toactivate: press and hold button 2for
appr oximately five seconds until an acoustic
signal sounds. #
Todeactivate: press and hold button 1for
appr oximately five seconds until an acoustic
signal sounds.
There is a danger of being loc ked out if the func‐
tion is activated:
R While theve hicle is being tow star ted/
pushed.
R On a roller dynamome ter. Opening and closing
75

Problem
Possible causes/consequences and M
MSolutions #
Make sure that no parts of the body are in the closing area. #
Tostop the closing process, release the button or press the button again toreopen the side win‐
do w. If a side window is obstructed during closing and
reopens again slightly: #
Immediately af terth e window bloc ks, pull the cor responding button again until the side window has
closed, and hold the button for an additional second.
The side window is closed with increased forc e.
If a side window is obstructed again during closing and reopens again slightly: #
Repeat the pr evious step.
The side window is closed without the automatic reve rsing function.
The side windo wscannot be opened or
closed using the con venience opening
fe ature. The
key bat tery is dischar ged or nearly dischar ged. #
Check the battery using the battery check lamp and replace if necessary . Sliding sunroof
Opening and closing
the sliding sunroof %
The term "sliding sun roof" also refers to the
panoramic sliding sunroof. 86
Opening and closing

&
WARNING Risk offire caused byflam‐
mable material on theex haust sy stem
Flammable materials brought in byeither ani‐
mals or environmen tal influences may ignite
if th ey come into contact wi thhot parts of
th e engine or exhaust sy stem. #
Therefore, check regularly that there
are no flammable materials in the
engine compartment or on theex haust
sy stem. Re
quirements:
R theke y is located in theve hicle and thekey
battery is not dischar ged.
R or, if the "Digital Vehicle Key" function is acti‐
va ted via the Mercedes me connect web app:
th e mobile phone is in the mar ked space
(→ page 161). #
Toswitch on the po wer supp ly:press but‐
to n1 once.
Yo u can activate the windscreen wiper, for
ex ample.
The po wer supp lyis switched off again if thefo l‐
lowing conditions are me t:
R you open the driver's door.
R you press but ton1 twice. #
Toswitch on the ignition: press button 1
twice.
The indicator lamps in the instrument clus ter
light up.
The ignition is switched off again if one of the
fo llowing conditions is me t:
R you do not start theve hicle within
15 minutes.
Ve hicles with automatic transmission: the
transmission is in position j.
or
The electric pa rking brake is applied.
R you press but ton1 once. St
arting the vehicle St
arting the vehicle with thest art/s top but‐
ton
Requ irements:
R theke y is located in theve hicle and thekey
battery is not dischar ged.
R or, if the "Digital Vehicle Key" function is acti‐
va ted via the Mercedes me connect web app: 16 0
Driving and pa rking

th
e mobile phone is in the mar ked space
(→ page 161). #
Vehicles with manual transmission:
depress the clutch pedal. #
Vehicles with automatic transmission:
shift the transmission toposition jori. #
Depress the brake pedal and push button 1
once. #
Ifth eve hicle does not star t:switch off non-
essential consumers and press button 1
once. #
Ifth eve hicle still does not start and the
Place the key in the marked space See Own-
er's Manual display message also appears in
th e multifunction display: start theve hicle in
emer gency operation mode.
Yo u can swit choff the engine while driving by
pressing button 1for about thre e seconds. Be
sure toobser vethe saf ety no tes under "Driving
instructions". St
arting a vehicle using a mobile phone
Re quirements:
R theve hicle is equipped with the "Digital Car
Ke y" function.
R the "Digital Car Key" function is activated via
th e Mercedes me connect web app: http://
www.mercedes.me.
R suitable mobile phone with NFC aerial (Near
Field Communication) and Secure Element.
R sufficient charge leve l of the mobile
phone. On some mobile phones, the function
is also available when the battery is dis‐
ch arge d.
% You can check the suitability of your mobile
phone byentering the phone number at
http://www.mercedes.me.
Information about suitable mobile phones
can be obtained from your Mercedes-Benz
service centre or at http://www.mercedes-
benz.com/connect.
% Mercedes-Benz recommends that you car ry
th e emer gency key in case of function
re strictions. %
The function is only available in combination
with Mercedes me connect and on lyin cer‐
ta in countries.
% Protective cases around the mobile phone
can impair the functionality. #
Make sure that thech arge leve l of the mobile
phone is suf ficient. If necessar y,ch arge the
mobile phone before starting the journe y.
St arting theve hicle for the firs t time af ter
activating the function #
Make sure that there is a valid vehicle key in
th eve hicle. Driving and parking
161

%
The electric parking brake is only securely
applied if the indicator lamp is lit continu‐
ously.
Re leasing #
Swit chthe ignition on. #
Pull handle 1.
The ! indicator lamp in the instrument
clus ter goes out.
Emer gency braking #
Press and hold handle 1.
When theve hicle has been braked to a
st andstill, the electric parking brake is
applied. The !indicator lamp appears in
th e instrument clus ter. Information on de
tecting dama geon a
pa rked vehicle If a collision is de
tected when theto w- aw ay pro‐
te ction is acti vated on a loc kedve hicle, you will
re cei venotification:
R onyour smartphone R
inthe multimedia sy stem when you swit ch
on the ignition
Yo u will recei veinformation about thefo llowing:
R the area of theve hicle that may ha vebeen
damaged
R thefo rc e of the impact
The following situations can lead toinadver tent
acti vation:
R the par kedve hicle is mo ved, e.g. in a double-
dec kerga rage
% Deactivate tow- aw ay protection in order to
pr eve nt inadver tent acti vation. If you deacti‐
va te tow- aw ay protection, damage de tection
will also be deactivated.
Sy stem limitations
De tection may be restricted in thefo llowing sit‐
uations:
R theve hicle is damaged without impact, e.g. if
an outside mir ror is torn off or the paint is
damaged byakey
R an impact occurs at low speed R
the electric parking brake is not applied
Information on Mercedes me connect and other
services: http://www.mercedes.me. Note
s on parking up theve hicle If
yo u lea vetheve hicle par ked up for longer than
fo ur we eks, the disconnected battery may be
damaged bydeep dischar ge.
If yo u lea vetheve hicle par ked up for longer than
six weeks, it may suf fer dama geas a result of
lack of use.
% Further information can be obtained at a
qu alified specialist workshop. St
andby mode (extension of the star ter bat‐
te ry 's period out of use) St
andby mode function
Ve hicles without a 48 V electrical sy stem
(EQ Boost technology):
If standby mode is activated, theve hicle can be
par kedfo r an extended pe riod of time without
losing po wer. Driving and pa
rking 18 9