key battery MERCEDES-BENZ E-CLASS ESTATE 2020 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 unsupervised in theve hi‐
cle, they could, in pa rticular:
R open doors, thereby endangering other
persons or road users.
R get out and be stru ck byoncoming traf‐
fi c.
R ope rate ve hicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion, forex ample by:
R releasing the parking brake.
R changing the transmission position.
R starting theve hicle. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Keep theke y out of reach of children. This also applies
tothe Digital Vehicle Key
st icke r.
* NO
TEDama getotheke y caused by
magnetic fields #
Keep theke yaw ay from strong mag‐
netic fields. 1
Locks
2 Indicator lamp 3
Unloc ks
4 Opens/closes theta ilgate
% If indicator lamp 2does not light up af ter
pressing theÜ orß button, the bat‐
te ry iswe ak or possibly dischar ged. Re place
th e battery as soon as possible.
Re placing theke y bat tery ( / page 73).
The key loc ksand unlo cksth efo llowing compo‐
nents:
R the doors
R the fuel filler flap
R theta ilgate
If th eve hicle is not opened within appr oximately
40 seconds af ter unlocking, it loc ksagain. Anti-
th eft pr otection is primed again.
Do not keep theke yto ge ther with electronic
devices or me tal objects. This can af fect the
ke y's functionalit y. Opening and closing
71

#
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. #
Press release knob 1again and fully
re mo veemer gency key2.
Inserting the emer gency key #
Press release knob 1. #
Insert emer gency key2 tothe intermediate
position or fully until it engages.
% You can use the intermediate position of
emer gency key2 toattach theke yto akey
ri ng. 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 of 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. #
Remo vethe emer gency key ( / page 72). #
Press release knob 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. Opening and closing
73

#
Insert the new battery into battery compart‐
ment 3. Obser vethe positive pole marking
in the battery compartment and on the bat‐
te ry when doing this. #
Push in battery compartment 3.#
Re-attach co ver1 and push it until it
engages. Problems with
thekey Yo
u can no lon ger lo ckor unlock theve hicle
Po ssible causes:
R The key bat tery iswe ak or dischar ged.
R The key is faulty. #
Check the battery using the indicator lamp
(/ page 71). #
Replace theke y bat tery, if necessary
(/ page 73). #
Use the emer gency keyto lock or unlock
(/ page 72). #
Have theke ych ecked at a qualified specialist
wo rkshop. There is inter
fere nce from a po werful radio
signal source
The key function is impaired by,fo rex ample:
R high voltage po wer lines
R mobile phones
R electronic devices (No tebooks, Tablets)
R shielding due tome tal objects or induction
loops for electrical gatesystems or auto‐
matic bar riers #
Make sure that there is a suf ficient di stance
between theke y and the po tential sou rce of
inter fere nce.
Yo u ha velost a key #
Have theke y deacti vated at a qualified spe‐
cialist workshop. #
If necessar y,ha ve the mechanical lock
re placed 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. #
Never lea vepersons, in particular chil‐
dren, unat tended in theve hicle. #
Ifth ere are persons in theve hicle, do
not activate the additional door loc k. The additional door lock is automatically activa‐
te d in thefo llowing situations:
R The vehicle is loc ked using thekey.
R The vehicle is loc ked using KEYLESS-GO. 74
Opening and closing

#
Tounlo cktheve hicle: touch the inner sur‐
fa ce of the door handle. #
Tolock theve hicle: touch sensor sur face
1 or2. #
Convenience closing: touch recessed sen‐
sor su rface 2until the closing process has
been comple ted.
% Further information on con venience closing
(/ page 87).
If yo u open theta ilgate from outside, it is auto‐
matically unloc ked. Problems with KEYLESS-GO
Yo
u can no lon ger lo ckor unlock theve hicle
using KEYLESS-GO.
Po ssible causes:
R The key functions ha vebeen deactivated.
R The key bat tery iswe ak or dischar ged.
R The key is faulty. #
Activate theke y functions (/ page72). #
Check the battery using the indicator lamp
(/ page 71). #
Replace theke y bat tery, if necessary
(/ page 73). #
Use the emer gency keyto lock or unlock
(/ page 78). #
Have theve hicle and keych ecked at a quali‐
fi ed specialist workshop.
There is inter fere nce from a po werful radio
signal source
The KEYLESS-GO function is impaired by,for
ex ample:
R high voltage po wer lines
R mobile phones
R electronic devices (No tebooks, Tablets)
R shielding due tome tal objects or induction
loops for electrical gate systems or auto‐
matic bar riers #
Make sure that there is a suf ficient di stance
between theke y and the po tential sou rce of
inter fere nce. 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. Opening and closing
77

A side wind
owcann otbe closed and you can‐
not see the cause. #
Check tosee whe ther any objects are in the
window guide. #
Adjust the side windo ws.
Ad justing the side windo ws
If a side window is obstructed during closing and
re opens again immediately: #
Immediately af terth is, pull and hold the cor‐
re sponding button again until the side win‐
dow has closed and hold the button for at
least one more second (re-adjustment).
The side window will be closed without the
automatic reve rsing function.
If th e side window is obstructed again and
re opens again immediately: #
Immediately af terth is, pull and hold the cor‐
re sponding button again until the side win‐
dow has closed and hold the button for at least
one more second (follo w-up adjust‐
ment).
The side wind owwill be closed without the
automatic reve rsing function.
The side windo wscann otbe opened or
closed using the con venience opening fea‐
ture.
Po ssible cause:
R The key bat tery iswe ak or dischar ged. #
Check the battery using the indicator lamp
(/ page 71). #
Replace theke y bat tery, if necessary
(/ page 73). Sliding sunroof
Opening and closing
the sliding sunroof %
The term "sliding sun roof" also refers to the
panorama sliding sunroof. &
WARNING Risk of becoming trapped
when the sliding sunroof is being opened
and closed
Body parts may become trapped in thera nge
of mo vement. #
During opening and closing, make sure
th at no body parts are in thera nge of
mo vement. #
Release the button immediately if
somebody becomes trapped.
or #
Brief lypress the button in any direction
during automatic operation.
The opening or closing process will be
st opped. &
WARNING Risk of entrapment if the slid‐
ing sunroof is operated bychildren
Children operating the sliding sunroof could
get caught in the moving parts, particularly if
unattended. 88
Opening and closing

Key
Display messages
Possible causes/consequences and M
MSolutions
À Replace key See Owner's
Manual *O
nly a few or no authorisations remain forst arting the engine. #
Order a new digital vehicle keyst icke r from a Mercedes-Benz service centre.
Á
Replace key *T
hekey needs tobe replaced. #
Consult a qualified specialist workshop.
Á Change key batteries *T
hekey bat tery is dischar ged. #
Replace the battery (/ page73). Display messages and
warning/indicator lamps 383

Au
tomatic engine stop (ECO start/
sto p function) .......................................... 17 0
Au tomatic front passen ger front air‐
bag deacti vation sy stem
see Automatic front passenger front
airbag shutoff
Au tomatic front passen ger front air‐
bag shu toff .......................................... 44, 46
Fu nction of the automatic front
passenger front airbag deactivation
sy stem ................................................... 44
PA SSENGER AIR BAG indicator lamp .... .46
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .150
Au tomatic seat adjustment
Setting ................................................. 104
Au tomatic transmission
DIRECT SELECT le ver ........................... 176
Drive program display .......................... 175
Drive programs .................................... 174
DY NA MIC SELECT switch ..................... 174
Engaging drive position ........................ 178
Engaging neutral .................................. 17 7
Engaging pa rkposition ........................ 178Engaging
reve rsege ar ........................ .177
Kickdown ............................................. 17 9
Manual gear changing .......................... 178
St eering wheel gearshift paddles ........ .178
Tr ansmission position display .............. 176
Tr ansmission positions ........................ .176
Axle load Perm issible .......................................... 363
Tr ailer operation .................................. 378 B
Bag hook .................................................. 12 5
Ball ne ck
Extending/r etra cting ........................... 24 9
Extending/r etra cting (MBUX multi‐
media sy stem) .....................................2 51
BA S (Brake Assist Sy stem) .................... .195
Battery Key ........................................................ 73
Re mo tecontrol (s tationary heater) ...... 15 9
Battery see Battery (vehicle) Battery (vehicle)
...................................... 336
Charging .............................................. 335
Charging (Remo teOnline) .................... 16 5
No tes ................................................... 331
No tes (s tarting assis tance and
ch arging) ............................................ .333
Re placing ............................................ 336
St arting assis tance .............................. 335
Belt see Seat belt
Bic ycle rack
Load capacity ...................................... 378
Tr ailer operation .................................. 254
Blind Spot Assist .................................... .243
Ac tivating/deactivating ...................... .245
Fu nction .............................................. 24 3
Sy stem limitations ...............................2 43
Blo wer
see Climate control
BlueTEC see AdBlue ®
Bonn et
Re setting (active bonnet) .................... 309 454
Index

Jack ......................................................
.27
TIREFIT kit ............................................. 28
Wi reless vehicle components ................24
Decorative foil (cleaning instructions) ..318
DeNOx agent see AdBlue ®
De stination entry .................................... 280
En tering a POI or address .................... 280
De tecting inat tentiveness
see ATTENTION ASSIST
Diagnostics connection ............................29
Diesel Low outside temp eratures ...................3 68
No tes .................................................. 368
Digital Owner's Manual .............................18
Digital Vehicle Keyst icker
Locking theve hicle ................................ 76
St arting theve hicle ............................. 16 4
Unlocking theve hicle ............................76
Dinghy towing
see Tow- bar sy stem Dipped beam
Setting .................................................1 41
DIRECT SELECT le ver............................... 176
Engaging drive position ........................ 178
Engaging neutral .................................. 17 7
Engaging pa rkposition ........................ 178
Engaging pa rkposition automatically .. 178
Engaging reve rsege ar ........................ .177
Fu nction ............................................... 176
Display (care) .......................................... .321
Display (MBUX multimedia sy stem)
Home screen ...................................... .266
Display (multimedia sy stem) .................. 267
Operating ............................................ 267
Display (on-boa rdcompu ter)
Displ ays on the multifunction display .. 261
Display message .....................................3 79
Calling up (on-boa rdcompu ter) .......... .379
No tes ................................................... 379
Display messages ¯ - - - km/h .................................. .404
ç - - - km/h ................................... 405
È - - - km/h ................................... 404 #
12V battery See Owner's Man‐
ual ....................................................... 423
Û 48 V battery See Owner's Man‐
ual ....................................................... 424
: Active Light Sy stem inopera‐
tive ...................................................... 386
¯ AdBlue sy stem fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km .............................................. .432
¯ AdBlue sy stem fault Emer‐
ge ncy op. in XXX miles See Owner's
Manual ................................................ 432
¯ AdBlue sy stem fault Engine
st art not possible ................................ 433
¯ AdBlue sy stem fault See Own‐
er's Manual ........................................ .432
5 Add 1 litre engine oil when
next refuelling .................................... .434
é ATTENTION ASSIST inoperative ..412 458
Index

é
ATTENTION ASSIS T:Take a
break! .................................................. 412
: Automatic driving lights inoper‐
ative .................................................... 385
Á Change key bat teries ................. 383
J Check brake fluid le vel.............. .403
# Checkbrake pads See Owner's
Manual ................................................ 403
5 Check eng. oil le v.when next
re fuelling ............................................. 433
ï Checktrailer hitch lo ck.............. 390
h Check tyre(s) .............................. 427
! Clean the fuel filter .................... .396
É Compressor is cooling ................41 0
ÿ Coolant Stop vehicle Switch
engine off ............................................ 395
_ Currently una vailable Camera
view restricted ..................................... 416
ç Currently una vailable Radar
sensors dirty ........................................ 41 5!
currently una vailable See Own‐
er's Manual .......................................... 41 8
÷ currently una vailable See Own‐
er's Manual .......................................... 419
5 Engine oil le vel cannot be
measured ............................................ 436
5 Engine oil le velRe duce oil le vel
............................................................. 434
5 Engine oil le velSt op vehicle
Switch engine off ................................ 434
5 Engine oil pressure Stop
Switch off engine ................................ 435
ä Fault Drive at max. 80 km/h ...... 408
6 Front left malfunction Consult
wo rkshop (e xample)............................ 380
& inoperative Battery low .............. 388
& inoperative Refuel vehicle ..........3 88
& inoperative See Owner's Man. ... 388
! inoperative See Owner's Man‐
ual ....................................................... .419 ÷
inoperative See Owner's Man‐
ual ....................................................... 420
T inoperative See Owner's Man‐
ual ....................................................... 421
G Inoperati ve................................. 422
î inoperati ve.................................. 416
: Intellige nt Light Sy stem inoper‐
ative ....................................................3 86
Á Key not de tected (red displ ay
messa ge).............................................3 84
Á Key not de tected (white displ ay
messa ge).............................................3 84
: Left dipped beam (e xamp le) ...... .385
6 Left wind owbag malfunction
Consult workshop (e xample).............. .380
¢ Lowe ring .................................... 409
: Malfunction See Owner's Man‐
ual ....................................................... 385
É Max. speed 35 km/h (red dis‐
pl ay messa ge)...................................... 411 Index
459

É
Max. speed 35 km/h (white
display message) ..................................4 11
î Max. speed 40 km/h ..................417
ð Maximum speed exceeded ......... 406
î Notpossible in cur rent drive
program ............................................... 417
Ø ................................................... 431
ç Off.............................................. 405
ë Off.............................................. 408
ï Operation only possible in
transmission position P .......................389
! Parking brake See Owner's
Manual ................................................ 399
É Please reduce speed ...........410,411
Ý Please wait 48 V battery charg‐
ing ...................................................... .425
_ Rear left seat backrest not
loc ked (Example) .................................3 93
h Rectify tyre pressure .................. 427 Ø
Refill Ad Blue See Owne r’s
Manual ................................................ 430
! Release parking brake ................ 402
¸ Replace air cleaner .....................396
À Replace key See Owner's Man‐
ual ...................................................... .383
Á Replace key ................................ 383
8 Reser vefuel le vel...................... .396
6 Restra int sys. malfunction Con‐
sult workshop ...................................... 380
# See Owner's Manual .................. 423
Ù Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual .... 391
Ù Steering malfunction Stop
immediately See Owner's Manual .......392
# Stop vehicle Lea veengine run‐
ning ..................................................... 424
# Stop vehicle See Owner's Man‐
ual .......................................................4 24
É Stop vehicle Vehicle too low .......4 09 ç
suspended ................................. 405
: Switch off lights ......................... 386
: Switch on headla mps................. 386
Ø Top up AdBlue Emergency op.
in XXX miles See Owner's Manual ....... 431
+ Top up coolant See Owner ’s
Manual ................................................ 394
¥ Top up washer fluid .................... 394
ï Trailer coupling extending… ........ 389
! Turn on the ignition torelease
th e parking brake ................................ 403
d Vehicle is operational Switch
off ignition before exiting .................... 389
É Vehicle rising Please wait.......... .410
É Vehicle rising .............................. 41 0
h Warning tyre defect .................... 428
h Wheel sensor(s) missing ............ 426
Ø XX,X l Top up AdBlue Switch on
ignition, wait 60 sec. or eng. start
not poss. .............................................. 431 460
Index