ECU MERCEDES-BENZ E-CLASS WAGON 2018 Owner's Manual

must accept any interfere nce, including inter fer‐
ence that may cause undesired operation of the
device."
USA: "Wireless charging sy stem for mobile devi‐
ces (Model: D-WMI20 15A): this device complies
with Part18 ofthe FCC Rules."
The name and address of there sponsible party
is:
Continental Automotive Sy stems US Inc.
24 00 Executive Hills Drive
Au burn Hills, MI 48326-2980
Uni tedSt ates of America
Diagnostics connection
The diagnostics connection is only in tended for
th e connection of diagnostic devices at a quali‐
fi ed specialist workshop.
&
WARNING Risk of accident due tocon‐
necting devices tothe diagnostics con‐
nection
If yo u connect equipment toa diagnostics
connection in theve hicle, it may af fect the
operation of vehicle sy stems.
As a result, the operating saf etyof theve hi‐
cle could be af fected.
#Only connect equipment toa diagnos‐
tics connection in theve hicle which is
appr ovedfo ryo ur vehicle byMercedes-
Benz.
& WARNING Risk of accident due to
objects in the driver's foot we ll
Objects in the driver's foot we ll may impede
pedal tr avel or block a depressed pedal.
This jeopardizes the operating and road
saf etyof theve hicle.
#Stow all objects in theve hicle securely
so that they cannot getinto the driver's
fo ot we ll.
#Alw ays ins tallth efloor mats securely
and as prescribed in order toensure
th at there is alw ays suf ficient room for
th e pedals.
#Do not use loose floor mats and do not
place floor mats on top of one ano ther.
* NO
TEBattery discharging from using
devices connected tothe diagnostics
connection
Using devices at the diagnostics connection
drains the batter y.
#Checkthech arge leve l of the batter y.
#Ifth ech arge leve l is lo w,charge the
batter y,e.g. bydriving a considerable
dis tance.
Connecting equipment tothe diagnostics con‐
nection can lead toemissions monitoring infor‐
mation being reset, forex ample. This may lead
to theve hicle failing tomeet therequ irements of
th e next emissions inspection during the main
inspection.
24 General no tes

If NHTSAreceive s similar complaints, it may
open an in vestigation, and if it finds that a saf ety
defect exists in a groupof vehicles, it may order
a re call and remedy campaign. Ho wever,NHT SA
cannot become in volved in individual problems
between you, your dealer, or Mercedes-Benz
US A,LLC.
To contact NHT SA,yo u may call theVe hicle
Saf etyHotlin eto ll-f ree at 1-888-327-4236
(TT Y:1-800-424-9 153) (inside the USA); go to
http://www.safercar.gov; or write to:Ad minis‐
trator, NHT SA, 400 Se venth Street,SW .,Wa sh‐
ington, DC 20590, US A.
Fu rther information on vehicle saf etycan be
fo und at: http:/ /www.safercar.g ov
LimitedWarranty
* NO
TEDama getotheve hicle arising
from culpable violation of these operat‐
ing instructions.
Damage totheve hicle can arise from culpa‐
ble violation of these operating instructions.
This damage is not co vered either bythe
Mercedes-Benz Limited Warranty or bythe
New Vehicle or Used Vehicle Warrant y.
#Follow the instructions in this manual
on proper operation of your vehicle as
we ll as on possible vehicle damage.
QR codes for the rescue card
The QR code is secured in the fuel filler flap and
on the opposite side on the B-pillar. In theeve nt
of an accident, rescue services can use the QR
code toquickly find the appropriate rescue card
fo ryo ur vehicle. The cur rent rescue card con‐
ta ins the most impor tant information about your
ve hicle in a compact form , e.g. thero uting of the
electric lines.
Fu rther information can be obtained at http://
www.mercedes-benz.de/qr-code.
Ve hicle data storage
Information from electronic control units
Yo ur vehicle is equipped with electronic contro l
units. Some of these are necessary forth e safe
operation of your vehicle, while some assist you
when driving (driver assis tance sy stems). In
addition, your vehicle pr ovides con venience and
enter tainment functions, which are also made
possible byelectronic control units.
Elect ronic control units contain da tamemories
which cantemp orarily or permanently store
te ch nical information about theve hicle's operat‐
ing status, component loads, mainte nance
re qu irements and tech nical events or malfunc‐
tions.
In general, this information documents thest ate
of a component part, a module, a sy stem or the
sur roundings, forex ample:
Roperating statuses of sy stem components
(e.g. fluid leve ls, battery status, tire pressure)
Rstatus messages concerning theve hicle and
its individual components (e.g. number of
wheel revo lutions/speed, decele ration, lat‐
26
General no tes

Depending onthere spective integration type,
th is includes, forex ample:
Rge neral vehicle information
Rposition data
This enables the use of selected smartphone
Apps, e.g. navigation or music playbac k.There is
no fur ther interaction between the smartphone
and theve hicle; in particular, vehicle data is not
directly accessible. The type of fur ther data pro‐
cessing is de term ined bythe pr ovider of the App
used. The respective App and your smartphone's
operating sy stem de term ine whe ther changes
can be made tothe settings and which settings
can be changed.
Service pr oviders
Wire less network connection
If yo ur vehicle has a wireless network connec‐
tion, it enables data tobe exc hanged between
yo ur vehicle and additional sy stems. The wire‐
less network connection is enabled via theve hi‐
cle's transmission and reception unit or via con‐
nected mobile end devices (e.g. smart phones).Online functions can be used via
the wireless
network connection. This includes online serv‐
ices and applications/Apps pr ovided bythe
manufacturer or other pr oviders.
Manufa cturer's se rvices
The manufacturer describes there spective func‐
tions and cor responding legal data pr otection
information when suitable forth e manufacturer's
online services. Personal data may be used for
th e pr ovision of online services. Data is
ex ch anged via a secure connection, e.g. tothe
manufacturer's designated IT sy stems. Personal
data is collected, processed and used via the
pr ov ision of services exclusively on the basis of
legal permissions or with prior consent.
The services and functions (sometimes subject
to afe e) can usually be activated or deactivated.
In some cases, this also applies tothe entire
ve hicle's data connection. This excludes, in par‐
ticular, legally prescribed functions and services.
Third pa rty services
If it is possible touse online services from other
pr ov iders, these services are subject tothe data
pr otection and term s of use of there sponsible pr
ov ider. The man
ufacturer has no influence on
th e conte ntexc hanged.
Please inquire, therefore, about the type, scope
and purpose of the collection and use of per‐
sonal data as part of third party services from
th eir respective pr ovider.
COMAND/mbrace
Ifth eve hicle is equipped with COMAND or
mbrace, additional data about theve hicle's oper‐
ation, the use of theve hicle in cer tain situations,
and the location of theve hicle may be compiled
th ro ugh COMAND or the mbrace sy stem.
Ad ditional information can be found in the multi‐
media sy stem section and/or the mbrace Term s
and Conditions.
Event Data Recorders
This vehicle is equipped with an event da ta
re corder (EDR). The main purp ose of an EDR is
to record, in cer tain crash or near crash-like sit‐
uations, such as an air bag deployment or hitting
a ro ad obstacle, data that will assist in under‐
28
General no tes

Restra int sy stem
Pr otection bythere stra int sy stem
The restra int sy stem includes thefo llowing:
RSeat belt sy stem
RAir bags
RChild restra int sy stem
RChild seat securing sy stem
In theev ent of an accident, there stra int sy stem
can:
RRe duce therisk of vehicle occupants coming
into contact with parts of theve hicle interior.
RRe duce thefo rc es towhich theve hicle occu‐
pants are subjected.
A seat belt can only pr ovide the best le vel of pro‐
te ction if it is worncor rectl y.Depending on the
de tected accident situation, Emergency Tension‐
ing Devices and/or air bags supplement the pro‐
te ction of fere dby a cor rectly wornseat belt.
Emer gency Tensioning Devices and/or air bags
are not depl oyed in everyaccident. So
that there stra int sy stem can pr ovide pr otec‐
tion, each vehicle occupant mus t:
RFasten their seat belt cor rectly.
RSit in an almost up right position with their
back against the seat backrest.
RSit with their feet resting on thefloor, if pos‐
sible.
RAlw ays be secured in an additional restra int
sy stem suitable for Mercedes-Benz vehicles
if th ey are under 5 ft(1.50 m) tall.
Ho wever,no sy stem available today can com‐
ple tely eliminate injuries and fata lities in every
accident situation. In particular, the seat belt
and air bag generally do no t p
r
otect against
objects penetrating theve hicle from the outside.
It is also not possible tocomplet elyrule out the
ri sk of injury caused bythe air bag deploying.
Re duced restra int sy stem pr otection
&
WARNING Risk of injury or death from
modifications tothere stra int sy stem
The restra int sy stem can no longer function
cor rectly af ter alterations ha vebeen made.
The restra int sy stem may then not pr otect
th eve hicle occupants as intended byfailing
in an accident or triggering unexpec tedly, for
ex ample
#Ne ver alter the parts of there stra int
sy stem.
#Ne verta mp er with the wiring or any
electronic component parts or their
software.
RIf it is necessary tomodify theve hicle to
accommodate a person with disabilities, con‐
ta ct an au thorized Mercedes-Benz Center for
de tails.
RUSA only: for de tails, con tact our Cu stomer
Assis tance Center on 1-800-FOR-MERCedes
(1‑800‑367‑63 72).
Occupant saf ety 31

&WARNING Risk of injury or death dueto
incor rectly fastened seat belt
If th e seat belt is not worncor rectly, it can‐
not per form its intended pr otective function.
In addition, an incor rectly fastened seat belt
can also cause injuries, forex ample, in the
ev ent of an accident or when braking or
ch anging direction suddenly .
#Always ensure that all vehicle occu‐
pants ha vetheir seat belts fastened
cor rectly and are sitting prope rly.
RThe seat belt mus t:
-Not be twisted and must fit tightly and
snugl yacross your body .
-Berouted across the center of the
shoulders and as low down towa rdsth e
hips as possible.
RThe shoulder section of the seat belt should
not touch your ne cknor be routed under
yo ur arm or behind your bac k.
RAvoid wearing bulky clo thing, e.g. a winter
coat.
RPush the lap belt down as far as possible
across your hips and pull tight withth e shoul‐
der section of the belt. Ne verro ute the lap
belt across your abdomen.
RNe verro ute the seat belt across sharp, poin‐
te d, abrasive or fragile objects.
ROnly one person should use each seat belt at
any one time. Ne ver all owbabies and chil‐
dren totrave l sitting on the lap of ano ther
ve hicle occupant.
RNe ver secure objects with a seat belt if the
seat belt is also being used byone of the
ve hicle's occupants. Alw ays obser vethe
instructions for loading theve hicle when
securing objects, luggage or loads
(
→page 101).
Th eseat belt son thefo llowing seats are equip‐
ped with a child seat saf etyfe ature:
RFr ont passenger seat
RRe ar seats
The seat belts forth efo lding bench seat in the
cargo compart ment are not equipped with a
ch ild seat saf etyfe ature. Ac
tivate or deacti vate thech ild seat saf etyfe a‐
t

ure of the seat belt (→page 48).
If ch ildren are tra veling in theve hicle, be sure to
obser vethe instructions and saf etyno tes on
"Children in theve hicle" (
→page 46).
Re duced pr otection
&
WARNING Risk of injury or death dueto
incor rect seat position
The seat belt does not of ferth e intended
le ve l of pr otection if you ha venot mo vedth e
seat backrest toan almost vertical position.
When braking or in theeve nt of an accident,
yo u could slide underneath the seat belt and
sus tain abdominal or neck injuries, forex am‐
ple.
#Ad just the seat proper lybefore begin‐
ning your journe y.
#Always ensure that the seat backrest is
in an almost vertical position and that
th e shoulder section of your seat belt is
34
Occupant saf ety

routed across the center of your shoul‐
der.
& WARNING Risk of injury or death when
additional restra int sy stems are not used
fo r persons with a smaller build
Pe rsons under 5 ft(1.50 m) tall cannot wear
th e seat belt cor rectly wi thout a suitable
additional restra int sy stem.
If th e seat belt is not worncor rectly, it can‐
not per form its intended pr otective function.
In addition, an incor rectly fastened seat belt
can also cause injuries, forex ample, in the
ev ent of an accident or when braking or
ch anging direction suddenly .
#Always secure persons under 5 ft
(1.50 m) tall in a suitable restra int sys‐
te m.
&
WARNING Risk of injury or death dueto
bloc ked seat belt buckle or seat belt
anchorage
Objects next tothe front seat that block the
seat belt buckle or the moving seat belt
anchorage on the front seat impair the func‐
tion of the Emer gency Tensioning Devices.
The Emergency Tensioning Devices can,
th en, not function as intended and the seat
belt can no longer pr ovide the intended pro‐
te ction.
#Before starting the journe y,make sure
th at there are no objects around the
seat belt buckle or between the front
seat and door.
& WARNING Risk of injury or death dueto
damaged or modified seat belts
Seat belts cann otprov ide pr otection in the
fo llowing situations:
RIf th e seat belts are damaged, modified,
ex treme lydirty, bleached or dyed
RIfth e seat belt buckle is damaged or
ex treme lydirty
RIfth e Emer gency Tensioning Devices,
seat belt anchorages or seat belt retrac‐
to rs have been modified
Seat belts may be damaged in an accident,
although the damage may not be visible, e.g.
due tosplinters of glass.
Modified or damaged seat belts may tear or
fa il, e.g. in an accident.
Modified Emer gency Tensioning Devices can
accidental lytrig ger or failto function as
intended.
#Ne ver modify the seat belts, Emer gency
Te nsioning Devices, seat belt ancho‐
ra ge s or seat belt retractors.
#Make surethat the seat belts are
undamaged, not wornand clean.
#Alw ays ha vethe seat belts checked
immediately af ter an accident at a
qu alified specialist workshop.
Occupant saf ety 35

&WARNING Risk of injury or death dueto
incor rect seat position
If yo ude viate from the cor rect seat position,
th e air bag cannot perform its intended pro‐
te ctive function and deployment may even
cause fur ther injuries.
To avo id hazardous situations, alw ays make
sure that all vehicle occupants:
RHa ve their seat belt fastened cor rectly,
including pregnant women.
RAre seated properly and that dis tance to
th e air bags is as large as possible.
RObser vethefo llowing information.
#Alw ays make sure that there are no
objects between the air bag and the
ve hicle occupant.
To avo idrisks resulting from the deployment of
th e air bag:
RBefore starting your journe y,adjust your seat
co rrectly ;th e driver's seat and front
passenger seat should be mo ved as far back
as possible. When doing so, alw
ays obser vethe informa‐
tion on the cor rect driver's seat position
(
→page 82).
ROnly hold thesteering wheel bythesteering
wheel rim. This all owsth e air bag tobe fully
deplo yed.
RAlw ays lean against the seat backrest when
th eve hicle is in motion. Do not lean forw ards
or against the door or side windo w.You may
ot herwise be in the deployment area of the
air bags.
RAlw ayske ep your feet on thefloor. Do not
put your feet on the dashboard, forex ample.
Yo ur feet may otherwise be in the deploy‐
ment area of the air bag.
RIfch ildren are tra veling in theve hicle,
obser vethe additional no tes (→page 46).
RAlw aysstow and secure objects cor rectly. Objects in
theve hicle interior may pr event an air
bag from functioning cor rectly. There fore alw ays
ensure that:
RThere are no people, animals or objects
between theve hicle occupants and an air
bag.
RThere are no objects between the seat, door
and door pillar (B-pillar).
RThere are no hard objects, e.g. coat hangers,
hanging on the grab handles or coat hooks.
RThere are no accessory parts, such as cup
holders, attached totheve hicle within the
deployment area of an air bag, e.g. on doors,
side windo wsor side paneling.
RThere are no heavy, sharp-edged or fragile
objects in the poc kets of your clo thing. Store
such objects in a suitable place.
Occupant saf ety 39

Status display
If th e front passenger seat is occupied, ensure,
bo th before and during the journe y,that thest a‐
tus of the front passenger air bag is cor rect for
th e pr evailing situation.
Af ter in stalling a rear wa rd-facing child
re stra int sy stem on the front passenger
seat: PASSENGER AIR BAG OFF must be lit con‐
tinuousl y.
&
WARNING Risk of injury or death from
using a rear wa rd-facing child restra int
sy stem when the front passenger air bag
is enabled
If yo u secure a child in a rear wa rd-facing
ch ild restra int sy stem on the front passenger
seat and thePA SSENGER AIR BAG OFF indi‐
cator lamp is off, the front passenger air bag
can deploy in theev ent of an accident.
The child could be stru ck bythe air bag.
Alw ays ensure that the front passenger air
bag is disabled. The PASSENGER AIR BAG
OFF indicator lamp must be lit.
NEVER use a rear wa rdfacing child restra int
on a seat pr otected byan ACTIVE FRONT AIR
BA G in front of it; DE ATH or SERIOUS INJU RY
to thech ild can occur.
When ins talling a child restra int sy stem on the
front passenger seat, observ eth eve hicle-spe‐
cific information .
Depending on thech ild restra int sy stem and the
st ature of thech ild, thePA SSENGER AIR BAG
OFF indicator lamp may be off. In this case, do
not ins tallth ere ar wa rd-facing child restra int
sy stem on the front passenger seat.
Ins tead, ins tallth ere ar wa rd-facing child
re stra int sy stem on a suitable rear seat.
Af ter in stalling a forw ard-facing child
re stra int sy stem on the front passenger
seat: depending on thech ild restra int sy stem
and thest ature of thech ild, PASSENGER AIR
BA G OFF may be lit continuously or be off.
Alw ays obser vethefo llowing information.
&
WARNING Risk of injury or death dueto
incor rect positioning of thefo rw ard-
fa cing child restra int sy stem
If yo u secure a child in a forw ard-facing child
re stra int sy stem on the front passenger seat
and you position the front passenger seat too
close tothe cockpit, in theeve nt of an acci‐
dent, thech ild could:
RCome into con tact wi th theve hicle inte‐
ri or if thePA SSENGER AIR BAG OFF indi‐
cator lamp is lit, forex ample.
RBe stru ck bythe air bag if the
PA SSENGER AIR BAG OFF indicator lamp
is off.
#Alw ays mo vethe front passenger seat
as far back as possible and fully retract
th e seat cushion length adjustment.
Alw ays make sure that the shoulder belt
st ra p is cor rectly routed from the seat
belt outlet on theve hicle tothe shoul‐
der belt guide on thech ild restra int sys‐
te m. The shoulder belt stra p must be
ro uted forw ards and down wards from
Occupant saf ety 43

#Ifth ech ild restra int sy stem has been
ex posed todirect sunlight, allow it to
cool before securi ng achild into it.
#Ne ver lea vechildren unatte nded inthe
ve hicle.
The use of seat belts and child restra int sy stems
is requ ired bylaw in:
RAll 50 states
RThe U.S. territories
RThe District of Columbia
RAll Canadian pr ovinces
All child restra int sy stems must meet thefo llow‐
ing standards:
RU. S. Federal Mo torVe hicle Saf etySt andards
21 3 and 225
RCanadian Mo torVe hicle Saf etySt andards
21 3 and 210.2
Yo u can obtain fur ther information about the
cor rect child restra int sy stem from any author‐
ized Mercedes-Benz Center. To
impr oveprotection forch ildren younger than
12 years old and under 5 ft(1.50 m) in height,
Mercedes-Benz recommends you observ eth e
fo llowing no tes:
ROnly secure children using a child restra int
sy stem which is suitable and recommended
fo r Mercedes-Benz vehicles, as well as appro‐
priate tothe height, age and weight of the
ch ild. Be sure toobser vethe instructions for
cor rect use of thech ild restra int sy stem.
RAlw ays ins tall a child restra int sy stem on a
re ar seat if possible.
ROnly usethefo llowing securing sy stems for
ch ild restra int sy stems:
-th e seat belt sy stem
-th eLA TC H-type (ISOFIX) mounting
brac ket
-theTo pTe ther anchorages
RThe manufacturer's ins tallation instructions
fo rth ech ild restra int sy stem.
RThe warning labels in theve hicle interior and
on thech ild restra int sy stem.
&
WARNING Risk of injury or death caused
by incor rect ins tallation of thech ild
re stra int sy stem
If th ech ild restra int sy stem is incor rectly
ins talled on a suitable seating position, it
cannot per form its intended pr otective func‐
tion.
The child cannot be restra ined in theeve nt of
an accident, heavy braking or a sudden
ch ange of direction.
#Alw ays comply with the manufacturer's
ins tallation instructions forth ech ild
re stra int sy stem and its cor rect use.
#Make surethat the entire base of the
ch ild restra int sy stem alw aysre sts on
th e sitting sur face of the seat.
#Ne ver place objects under or behind
th ech ild restra int sy stem, e.g. cush‐
ions.
#Alw ays use child restra int sy stems with
th e original co ver designed forth em.
#Alw aysre place damaged co vers with
ge nuine co vers.
Occupant saf ety 47

&WARNING Risk of accident caused by
incor rectly ins talled child restra int sys‐
te ms
If th ech ild restra int sy stem is not cor rectly
ins talled or secured, it could release in the
ev ent of an accident, sudden braking or a
sudden change in direction.
The child restra int sy stem could be flung
around and hit vehicle occupants. This poses
an increased risk of injury or even fata l
injur y.
#Always ins tallch ild restra int sy stems
cor rectl y,eve n when not in use.
#Alw ays comply with thech ild restra int
sy stem manufacturer's ins tallation
instructions.
& WARNING Risk of injury or death caused
by the use of damaged child restra int
sy stems
Child restra int sy stems or their retaining sys‐
te ms that ha vebeen subjec tedto a load in
an accident may then not be able toper form
th eir intended pr otective function.
The child cannot be restra ined in theeve nt of
an accident, heavy braking or a sudden
ch ange of direction.
#Alw aysre place child restra int sy stems
immediately that ha vebeen damaged or
in vo lved in an accident.
#Ha ve the securing sy stems forth ech ild
re stra int sy stems checked at a qualified
specialist workshop before ins talling a
ch ild restra int sy stem again.
A boos ter seat may be necessary toachie ve
proper seat belt positioning forch ildren over
40 lbs (18 kg) in weight until they reach a height
where a thre e-point seat belt can be fitted prop‐
erly wi thout a boos ter seat.
The following no tes must be obser ved:
RWhen ins talling a child restra int sy stem on
th e front passenger seat, the information on
ins talling a child restra int sy stem on the front
passenger seat (
→page 52).
RInstructions and saf etyno tes on the auto‐
matic front passenger airbag shutoff .
RSaf etyno tes on the seat belt (→page 33).
RInformation on the cor rect use of the seat
belt (→page 37).
Ac tivating/deactivating the child seat saf ety
fe ature of the seat belt
&
WARNING Risk of injury or death if a
seat belt is unfas tened while theve hicle
is in motion
If th e seat belt is released while theve hicle is
in motion, thech ild restra int sy stem is no
longer cor rectly secure d. Thechild seat
saf etyfe ature is deactivated and the seat
belt is dr awn in a bit bythe inertia reel.
It is therefore not possible toengage the seat
belt again.
#Pull over and stop theve hicle safely as
soon as possible, paying attention to
ro ad and traf fic conditions.
48
Occupant saf ety