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

Key
Overview of
key functions &
WARNING ‑ Thereis a risk of accident
and injury if you lea vechildren unat ten‐
ded in theve 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.
Moreo ver,th ech ildren could also set the
ve hicle in motion by,fo rex ample:
R releasing the parking brake
R shifting the automatic transmission out of
park position P jor shifting manual
transmission into idle position.
R starting the engine. #
Never lea vechildren or animals unat‐
te nded in theve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Keep theve hicle key out of there ach 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. 58
Opening and closing

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. Ac
tivating/deactivating the acoustic lo cking
ve rification signal Multimedia sy
stem:
, Vehicle .
î Vehicle set-
tings .
Acoustic lock #
Activate Oor deacti vate ª the function. Priming/deactivating
the panic ala rm Re
quirement:
R Ignition switched off. #
Toprime: press button 1for appro ximately
one second.
A visu al 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 If
yo u do not intend touse theve hicle for an
ex tended pe riod of time, you can deactivate the
fo llowing functions on thekey.
R KEYLESS-GO starting function
R KEYLESS-GO Opening and closing
59

#
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.
% When theve hicle is star ted with theke y in
th estow age compartment of the cent recon‐
sole (→ page 142), theke y functions are
automatical lyactivated. Inserting/removing
the emer gency 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
quirement:
R Yourequ ire a CR 2032 3 V cell batter y.60
Opening and closing

Mercedes-Benz
recommends that you ha vethe
battery replaced at a qualified specialist work‐
shop. #
Remo vethe emer gency key ( → page 60). #
Press release button 2down fully and
re mo vecover1. #
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. #
Replace co ver1 sothat 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. Opening and closing
61

Problem
Possible causes/consequences and M
MSolutions #
Check the battery using the battery check lamp and replace if necessary . #
Use the emer gency keyto lock or unlock theve hicle . #
Have theke ych ecked at a qualified specialist workshop.
Yo u ha velost a key. #
Have theke y deacti vated at a qualified specialist workshop. #
If necessar y,ha ve the loc kschanged as well. Doors
Note
s onthe additional door lock The additional door lock is only
available for
ve hicles forth eUni ted Kingdom. &
WARNING Risk of inju ryto persons
inside theve hicle when the additional
door lock is activated
If th e additional door lock is activated, the
doors can no longer be opened from the
inside.
If th ere are persons in theve hicle, they can
no longer le aveth eve hicle, e.g. in hazardous
situations. #
Never lea vepersons unattended in the
ve hicle, particularly children, elderly
persons or persons in need of help. #
Ifth ere are persons in theve hicle, do
not activate the additional door loc k. The additional door lock is automatically activa‐
te d:
R After locking theve hicle with thekey.
R After locking theve hicle using KEYLESS-GO.
% After locking theve hicle, the horn can be
operated for a short time. %
After locking theve hicle, pressing the button
to centrally unlock theve hicle from inside
will trigger an alarm (→ page 63).
If th e additional door lock is activated, the doors
cann otbe opened from the inside.
Yo u can deactivate the additional door lock by
deactivating the interior pr otection (→ page84). Un
locking and opening the doors from the
inside Un
ited Kingdom onl y:obser vethe no tes on the
additional door lock (→ page 62).62
Opening and closing

#
Pull door handle 2.
Locking pin 1pops up when the door is
unloc ked. Locking/unlocking
theve hicle centrally from
th e 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. Un
locking/locking theve hicle via a mobile
phone Re
quirements:
R Vehicle with the "Digital Car Key in the
smartphone" function.
R The "Digital Car Key in the smartphone" func‐
tion is activated via the Mercedes me con‐
nect web app: https://www.mercedes.me.
R Suitable mobile phone with NFC aerial (Near
Field Communication) and Secure Element.
R Suf ficient charge leve l of the mobile
phone. On some mobile phones, the function
is also available when the battery is dis‐
ch arge d.
If th eve hicle has been par kedfo r longer than
two weeks, the NFC aerial in the door handle is
deactivated. Pull the door handle toactivate the
NFC aerial again. Opening and closing
63

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. Switching
the automatic locking feature
on/off The
vehicle is loc ked automatically when the
ignition is switched on and the wheels are turn‐
ing fast erthan walking pace. #
Todeactivate: press and hold button 1for
appr oximately five seconds until an acoustic
signal sounds. #
Toactivate: press and hold button 2for
appr oximately five seconds until an acoustic
signal sounds.
Danger of being loc ked out when the function is
activated:
R Ifth eve hicle is being tow star ted/pushed.
R On a roller dynamome ter. 66
Opening and closing

Driving
Swit
ching on the po wer supp lyor ignition
using thest art/s top button &
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.
Moreo ver,ch ildren could also set theve hicle
in motion by,fo rex ample:
R Releasing the parking brake.
R Shifting the automatic transmission out
of park position jor shifting manual
transmission into idle position.
R Starting the engine. #
Never lea vechildren and animals unat‐
te nded in theve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tomobile phones if the
"Digital Car Key in the smartphone"
function is activated via the Mercedes
me connect web app. #
Keep theve hicle key out of reach of
ch ildren. This also applies tomobile
phones if the "Digital Car Key in the
smartphone" function is activated via
th e Mercedes me connect web app. &
WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases causes poisoning. #
Never lea vethe engine running in an
enclosed space wi thout suf ficient venti‐
lation. &
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 The key is located in theve hicle and thekey
battery is not dischar ged.
R Or if the "Digital Car Key in the smartphone"
function is activated via the Mercedes me
connect web app: the mobile phone is loca‐
te d in theve hicle. 14 0
Driving and pa rking

#
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 The driver's door is open.
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.
R You press but ton1 once. St
arting theve hicle St
arting theve hicle with thest art/s top but‐
ton
Requ irements:
R The key is located in theve hicle and thekey
battery is not dischar ged.
R Or if the "Digital Car Key in the smartphone"
function is activated via the Mercedes me
connect web app: the mobile phone is loca‐
te d in theve hicle. #
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.
St arting theve hicle with a mobile phone
(NFC)
Re quirements:
R The vehicle is equipped with the "Digital Car
Ke y in the smartphone" function.
R The "Digital Car Key in the smartphone" func‐
tion is activated via the Mercedes me con‐
nect web app: http://www.mercedes.me.
R Suitable mobile phone with NFC aerial (Near
Field Communication) and Secure Element. Driving and parking
141

R
Suf ficient 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. #
Place the mobile phone in stowage space 1
so that the NFC aerial areas touch each
ot her. #
Depress the brake pedal and start theve hicle
using thest art/ stop button.
% The key is not needed for any fur ther starts. Any fu
rther starts #
Place the mobile phone in stowage space 1
so that the NFC aerial areas touch each
ot her, and lea veitth ere while driving. #
Depress the brake pedal and start theve hicle
using thest art/ stop button.
The "Digital Car Key in the smartphone" service
can be deactivated in Mercedes me connect on
th e https://www.mercedes.me. The function is
th en deactivated in the smartphone via an online
connection. If connection tothe Internet is not
possible, e.g. af terth e mobile phone has been
st olen, theke y function can be deacti vated at a
Mercedes-Benz Service Centre.
St arting theve hicle in emer gency operation
mode
If th eve hicle cannot be star ted, thePlace the
key in the marked space See Owner's Manual
display message appears in the multifunction
displa y. 14 2
Driving and pa rking