MERCEDES-BENZ E-CLASS SEDAN 2018 Repair Manual

respectiv eSmartK ey.Todos o, deactivat ethe
Sma rtKe yfunctions.
#To deactivate: pressthe& button on the
SmartK eytwice in rapid succession.
The batter ychec klam poft he SmartK ey
fl ashes twic ebrief ly and lightsupo nce.
#To activate: press anybutton on theS mart‐
Ke y.
% When thev ehicle is star tedw itht he Smart‐
Ke yint he stow agec ompartment of thec en‐
te rc onsole, theS martK eyfunctions are
au tomatical lyactivated (
→pag e136).
Removing/insertin gthe mechanical key
#To remo ve:press release knob 1.
Mechanical key2 is pushed out slight ly.
#Pull ou tmechanical key2 until it en gage sin
th ei ntermediat eposition.
% Youc an use thei ntermediat eposition of
mechanical key2 toattac hthe keytoak ey
ri ng.
#Press release knob 1again and fully
re mo vemechanica lkey 2.
#To inser t:press release knob 1.
#Insertmechanical key2 tothei ntermediate
position or full yuntil it engages.
Replacing the SmartK eybattery
&
DANG ER Serious damag etohealth
caused byswallowing batteries
Batteries contain toxic and cor rosiv es ub‐
st ances. Swallowing batte ries ma ycause
serious damag etohealth.
Ther eisar isk offata linjur y.
#Keep batteries out of ther eac hofc hil‐
dren.
#If batteries ar eswallowe d, seek medical
attention immediately.
+ENVIRONMEN TALN OTEEnvironmental
damage causedbyimproper disposal of
batteries
Bat teries conta in pollutants. It is
illegal todispose of them wit hthe household
ru bbish.
#
Dispose of batteries in an
environmen tallyr esponsibl emanner.
Ta ke dischar gedb atteries toaq ualified
specialis tworks hop or toac ollection
pointf or used batteries.
Opening and closing 59

Requirements:RYour equir eaCR2 0323Vc ell batter y.
Mercedes-Benzr ecommendsthat youh ave the
batter yreplaced at aqualified specialis twork‐
shop.
#Re mo vethee mer gency key(→pag e59).
#Press release button 2down full yand slide
co ver1 inthed irection of thea rrow .
#Fold out co ver1 inthed irection of the
ar row and remo ve.
#Re mo vebatter ycompartment 3and take
out thed ischar gedb atter y.
#Inser tthe ne wbatter yintob atter ycompart‐
ment 3.O bservethep ositiv epole marking
in theb atter ycompartmen tand on theb at‐
te ry.
#Push in batter ycompartment 3.
#Re-attac hcove r1 and push it until it
engages.
Problems with theS ma rtKe y
Problem
Possible causes/consequences and MSolutions
Yo uc an no longe rloc koru nlockthe
ve hicle. Po
ssible causes are:
RThe SmartK eybatter yisdischar gedorn early dischar ged.
RTher eisi nterfere nce from apowe rful radio signal source.
60
Openin gand closing

ProblemPossible causes/consequences and MSolutions
RThe SmartKeyis defective.
#Chec kthe batter yusing theb atter ychec klam pand replace if necessar y.
#Usethem echanical keytol ockoru nlock.
#Have theS martK eycheckedataq ualified specialis tworks hop.
Yo uh ave lostaS martK ey.
#Ha ve theS martK eydeactivated at aqualified specialis tworks hop.
#If necessar y,ha ve thel oc ks changed as well.
Opening and closing 61

Doors
Unlocking and opening door sfromt he inside
#Tounlock and open afront door: pulldoor
handle 2.
Locking pin 1pops up whe nthe door is
unloc ked.
#To unlock arear door: pullther ear door
handle.
The locking pin pops up when ther ear door
is unloc ked.
#To open arear door: pullther ear door han‐
dle again.
Centrall ylocking and unlocking thev ehicle
from thei nside
#To unlock :press button 1.
#Tolock: press button 2.
This does no tloc koru nlockthe fuel filler flap.
The vehicle is no tunloc ked:
RIfyo uh ave lockedt he vehicle using the
SmartK ey.
RIfyo uh avel oc kedt he vehicle using KEY‐
LESS-GO.
Locking/unlocking thev ehicle wit hKEY‐
LESS-GO
Requ irements:RThe SmartK eyis outside thev ehicle.
RThe dis tance betwee nthe SmartK eyand the
ve hicle does no texceed 3ft(1m ).
RThe driver's door and thed oor at whic hthe
door handle is used ar eclosed.
62
Openin gand closing

#Tounlock thev ehicle: touc ht he inner sur‐
fa ce of thed oor handle.
#Toloc kthe vehicle: touc hs ensor sur face
1 or2.
#Co nvenience closing: touc hr ecessed sen‐
sor sur face 2 forane xtende dperiod.
% Further information on con venience closing
(
→pa ge 74).
If yo uo pen thet runk lid from outside it is auto‐
maticall yunloc ked.
Problems wit hKEYLESS-GO
Problem
Possible causes/consequences and MSolutions
Yo uc an no longe rloc koru nlockthe
ve hicle using KEYLESS-GO. Po
ssible causes are:
RKEYLESS-GO has been deactivated .
RThe SmartK eybatter yisdischar gedorn earlydischar ged.
RTher eisi nterfere nce from apowe rful radio signal source.
Openin gand closing 63

ProblemPossible causes/consequences and MSolutions
RThe SmartKeyis defective.
#Activat eKEYLESS-GO.
#Chec kthe batter yusing theb atter ychec klam pand replace if necessar y.
#Usethem echanical keytol ockoru nlockthe vehicle .
#Ha ve thev ehicle and SmartK eycheckedataq ualified specialis tworks hop.
Ac tivating/deactivatin gthe automati cloc k‐
ing feature
The vehicle is loc keda utomatically when the
ignition is switched on and thew heels ar eturn‐
ing fast erthan walkin gpace.
#Toactivate: press and hold button 2for
appr oximatel yfives econds until an acoustic
signal sounds.
#To deactivate: press and holdb utton1 for
appr oximatel yfives econds until an acoustic
signal sounds.
Ther eisad anger of being loc kedo ut if thef unc‐
tion is activated:
RWhile thev ehicle is being tows tarted/
pushed.
ROn aroller dynamome ter.
64
Opening and closing

Locking/unlockingthed rive r'sd oor wit hthe
me chanical key
%
Ifyo uw ish toloc kthe vehicle entirely using
th em echanical key,firs tp ress theb utton for
lockin gfromt he inside while thed rive r's
door is open. Then proceed toloc kthe driv‐
er's door using them echanical key.
#Insertthe mechanical keyasf ar as it will go
into opening 1inthec over.
#Pull and hold thed oor handle.
#Pull thec over on them echanical keya s
st ra ight as possible away from thev ehicle
until it releases.
#Re lease thed oor handle.
#Tounlock :tur nthe mechanical keyc ounter -
clo ckwise toposition 1.
#Tolock: turnthe mechanical keyc lock wise
to position 1.
#Carefully press thec ove rontot he loc kcylin‐
der until it engages and is seated firm ly.
Tr unk
Opening thet runk lid
&
WARNING Risk ofexhaus tgas poisoning
Combustio nengines emit poisonous exhaust
ga ses suc hascarbon monoxide. Exhaust
ga ses can enter thev ehicle interior if the
trunk li disopenw hent he engine is running,
especially if thev ehicle is in motion.
#Alw ayss witc hoffthee ngine before
opening thet runk lid.
#Ne verd rive wit hthe trunk lid open.
Opening and closing 65

*NO
TEDama getothet runk lid byobs ta‐
cle sabove thev ehicle
The trunk lid swings upwards when it is
opened.
#Therefore, mak esuret hat ther eiss uffi‐
cient clearance ab ovethet runk lid.
Yo uh ave thef ollowing options toopen the
trunk lid:
#Pull trunk lid remo teoperating switch 1.
#Press and holdthep button on the
SmartK ey.
#Pull thet runk lid handle.
#Ve hicles with HANDS-FREE ACCESS: use
yo ur foot to kickb elow theb umper
(
→pag e69).
#Vehicles with trunk lid co nvenience clos‐
ing feature: withthe trunk lid stopped in an
intermediat eposition, pull it upwards and
re lease as soon as it beginstoo pen.
Wi th th etrunk lid opening limiter switched
on, manuall ypullthes topped trunk lid
upwards.
Ve hicles with trunk lid co nvenience closing:
if an object restricts thet runk lid during the
automatic opening process, theo bstacle de tec‐
tion stops thet runk lid. The obs tacle de tection
function is only an ai dand is no tasubstitute for
yo ur attentiveness.
Closing thet runk lid
&
WARNING Risk of injury from unsecured
items in thev ehicle
If objects, luggag eorloads ar enotsecured
or no tsecured suf ficientl y,they could slip,
tip ove rorbet hrow na roun da nd thereb yhit
ve hicle occupants.
66
Opening and closing

Thereisar isk of inju ry,p articularly in the
ev ent of sudden braking or asudden change
in direction.
#Alw ayss towo bject sins uchaw aythat
th ey canno tbethrow na round.
#Befor ethe journe y,secur eobjects, lug‐
ga ge or loads agains tslipping or tipping
ove r.
&
WARNING Risk of becoming trapped
duri ng au tomatic closing of thet runk lid
Pa rtsoft he body could become trapped dur‐
ing automatic closing of thet runk lid. More‐
ove r,people, e.g. children, ma ybestanding
in thec losing area or ma yenter thec losing
area during thec losing process.
#Mak esuret hat nobody is in thev icinity
of thec losing area during thec losing
process.
#Use one of thef ollowing options tostop
th ec losing process:
RPress thep button on the
SmartK ey.
RPress or pull ther emo teoperating
switc hont he driver's door.
RPress thec losing or locking button
on thet runk lid.
RPull thet runk lid handle.
Ve hicles with HANDS-FREE ACCESS: it is also
possible tostop thec losing process bymoving
yo ur foot inak ickin gmotion under ther ear
bumper.
Yo uh ave thef ollowing options toclose the
trunk lid:
#Pull thet runk lid down using theh andle
re cess and push it closed.
#Ve hicles with HANDS-FREE ACCESS: with
th et runk lid comple tely opened ,kicky our
fo ot belo wthe bumper (
→pag e69).
#Vehicles with trunk lid co nvenience clos‐
ing: pullthet runk lid handle.
#Ve hicles with trunk lid co nvenience clos‐
ing and KEYLESS-GO: withthe trunk lid
comple tely opened, press and hold thep
button on theS martK ey(wit hthe SmartK ey
in thev icinit yoft hevehicle).
#Ve hicles with trunk lid co nvenience clos‐
ing: press trunk lid remo teoperating switch
1.
Opening and closing 67

#Vehicles with trunk lid co nvenience clos‐
ing: press closing button 1inthet runk lid.
#Ve hicles with trunk lid co nvenience clos‐
ing and KEYLESS-GO: press lockingbutton
2 inthet runk lid.
If aS martK eyis de tected outsid ethe vehicle,
th et runk lid closes and thev ehicle is loc ked. Au
tomatic reve rsing function of thet runk lid
If an object restricts thet runk lid during the
automatic closingp rocess, thet runk lid opens
again automaticall y.The automatic reve rsing
function is onl yanaid and is no tasubstitut efor
yo ur attentiveness.
#When closing, mak esuret hat no body parts
ar eint he closing area.
&
WARNING Risk of becoming trapped
despite ther eve rsing function
The reve rsing function does no treact:
Rto soft, light and thin objects, e.g. fingers.
Rove rthe last Óin (8 mm) of thec losing
path.
In these situation sinparticular ,the reve rsing
function canno tpreve nt someone being trap‐
ped.
#Whe nclosing, make surethat no body
parts ar einthe closing area.
#If someone is trapped, use one of the
fo llowing options:
RPress thep button on the
SmartK ey.
RPress ther emo teoperating switch
on thed rive r's door.
RPress thec losing or locking button
on thet runk lid.
RPull thet runk lid handle.
68
Openinga nd closing