2016 MERCEDES-BENZ E-Class SEDAN key

lights up once, then KEYLESS-GO is deac-
tivated.
XTo activate:press any button on the
SmartKey or insert the SmartKey into the
ignition lock.
KEYLESS-GO and all of its associated fea-
tures are available again.
Changing the settings of the locking
system
You can find information about this in the
Digital Operator's Manual.
Mechanical key
General notes
If the vehicle can no longer be locked or
unlocked with the SmartKey, use the
mechanical key.
If you use the mechanical key to unlock and
open the driver's door or the trunk lid/tail-
gate, the anti-theft alarm system will be trig-
gered (
Ypage 87).
There are several ways to turn off the alarm:
XTo deactivate the alarm with the Smart-
Key: press the %or& button on the
SmartKey.
or
XInsert the SmartKey into the ignition lock.
or
XTo deactivate the alarm with KEYLESS-
GO: press the Start/Stop button in the igni-
tion lock. The SmartKey must be in the
vehicle.
or
XLock or unlock the vehicle using KEYLESS-
GO. The SmartKey must be outside the
vehicle. If you unlock the vehicle using the mechanical
key, the fuel filler flap will not be unlocked
automatically.
XTo unlock the fuel filler flap:
insert the
SmartKey into the ignition lock.
Removing the mechanical key
XPush release catch :in the direction of
the arrow and at the same time remove
mechanical key ;from the SmartKey.
For further information about:
Runlocking the driver's door (Ypage 96)
Runlocking the trunk (Ypage 103)
Runlocking the tailgate (Ypage 103)
Rlocking the vehicle (Ypage 96)
Inserting the mechanical key
XPush mechanical key ;completely into
the SmartKey until it engages and release
catch :is back in its basic position.
92SmartKey
Opening and closing

SmartKey battery
Checking the battery
XPress the &or% button.
The battery is working properly if battery
check lamp :lights up briefly.
The battery is discharged if battery check
lamp :does not light up briefly.
XChange the battery (Ypage 93).
iIf the SmartKey battery is checked within
the signal reception range of the vehicle,
pressing the &or% button:
Rlocks or
Runlocks the vehicle
iYou can get a battery at any qualified spe-
cialist workshop.
Replacing the battery
You require a CR 2025 3 V cell battery.
XTake the mechanical key out of the Smart-
Key (
Ypage 92).
XPress mechanical key ;into the opening
in the SmartKey in the direction of the
arrow until battery compartment cover :
opens. Do not hold battery compartment
cover :closed while doing so.
XRemove battery compartment cover :.
XRepeatedly tap the SmartKey against your
palm until battery=falls out.
XInsert the new battery with the positive ter-
minal facing upwards. Use a lint-free cloth
to do so.
XMake sure that the surface of the battery is
free of lint, grease and other contaminants.
XInsert the front tabs of battery compart-
ment cover :into the housing and then
press to close it.
XInsert mechanical key ;into the Smart-
Key.
XCheck the function of all SmartKey buttons
on the vehicle.
SmartKey93
Opening and closing
Z

Problems with the SmartKey
ProblemPossible causes/consequences andMSolutions
You can no longer lock
or unlock the vehicle
using the SmartKey.The SmartKey battery is discharged or nearly discharged.
XCheck the SmartKey battery (Ypage 93) and replace it if nec-
essary (
Ypage 93).
If this does not work:
XUnlock (Ypage 96) or lock (Ypage 96) the vehicle using the
mechanical key.
The SmartKey is faulty.
XUnlock (Ypage 96) or lock (Ypage 96) the vehicle using the
mechanical key.
XHave the SmartKey checked at a qualified specialist workshop.
You can no longer lock
or unlock the vehicle
using KEYLESS-GO.The SmartKey battery is discharged or nearly discharged.
XCheck the SmartKey battery (Ypage 93) and replace it if nec-
essary (
Ypage 93).
If this does not work:
XUnlock (Ypage 96) or lock (Ypage 96) the vehicle using the
mechanical key.
There is interference from a powerful source of radio waves.
XUnlock (Ypage 96) or lock (Ypage 96) the vehicle using the
mechanical key.
KEYLESS-GO is malfunctioning.
XLock/unlock the vehicle using the remote control function of
the SmartKey.
XHave the vehicle and SmartKey checked at a qualified specialist
workshop.
If the vehicle can also not be locked/unlocked using the remote
control function:
XUnlock (Ypage 96) or lock (Ypage 96) the vehicle using the
mechanical key.
XHave the vehicle and SmartKey checked at a qualified specialist
workshop.
You have lost a Smart-
Key.XHave the SmartKey deactivated at a qualified specialist work-
shop.
XReport the loss immediately to the vehicle insurers.
XIf necessary, have the locks changed as well.
94SmartKey
Opening and closing

ProblemPossible causes/consequences andMSolutions
You have lost the
mechanical key.XReport the loss immediately to the vehicle insurers.
XIf necessary, have the locks changed as well.
The engine cannot be
started using the
SmartKey.the on-board voltage is too low.
XSwitch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
XCheck the starter battery and charge it if necessary
(
Ypage 278).
or
XJump-start the vehicle (Ypage 279).
or
XConsult a qualified specialist workshop.
The engine cannot be
started using KEYLESS-
GO. The SmartKey is in
the vehicle.The vehicle is locked.
XUnlock the vehicle and try to start the vehicle again.
There is interference from a powerful source of radio waves.
XStart your vehicle with the SmartKey in the ignition lock.
Doors
Important safety notes
GWARNING
If children are left unsupervised in the vehicle,
they could:
Ropen the doors, thus endangering other
people or road users.
Rget out and disrupt traffic.
Roperate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
Rrelease the parking brake.
Rshifting the automatic transmission out of
park position P
RStart the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.
Ideally, place luggage or loads in the trunk/
cargo compartment. Observe the loading
guidelines (
Ypage 238).
Information in the Digital Operator's
Manual
In the Digital Operator's Manual you will find
information on the following topics:
RUnlocking and opening doors from the
inside
RCentrally locking and unlocking the vehicle
from the inside
RAutomatic locking feature
Doors95
Opening and closing
Z

Unlocking the driver's door (mechan-
ical key)
If the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
XTake the mechanical key out of the Smart-
Key (
Ypage 92).
XInsert the mechanical key into the lock of
the driver's door as far as it will go.
XTurn the mechanical key counter-clockwise
to position1.
The door is unlocked.
XTurn the mechanical key back and remove
it.
XInsert the mechanical key into the Smart-
Key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be triggered (
Ypage 87).
Locking the vehicle (mechanical key)
If the vehicle can no longer be locked with the
SmartKey, use the mechanical key.
XOpen the driver's door.
XClose the front-passenger door, the rear
doors and the trunk lid/tailgate.
XPress the locking button (Ypage 95).
XCheck whether the locking knobs on the
front-passenger door and the rear doors
are still visible. Press down the locking
knobs by hand, if necessary.
XClose the driver's door.
XTake the mechanical key out of the Smart-
Key (
Ypage 92).
XInsert the mechanical key into the lock of
the driver's door as far as it will go.
XTurn the mechanical key clockwise to posi-
tion 1.
The door is unlocked.
XTurn the mechanical key back and remove
it.
XMake sure that the doors and the trunk lid/
tailgate are locked.
XInsert the mechanical key into the Smart-
Key.
Trunk/cargo compartment
Important safety notes
GWARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Exhaust
gases can enter the vehicle interior if the
trunk lid/tailgate is open when the engine is
running, especially if the vehicle is in motion.
There is a risk of poisoning.
Always switch off the engine before opening
the trunk lid/tailgate. Never drive with the
trunk lid/tailgate open.
!The trunk lid/tailgate swings upwards
and to the rear when opened. Therefore,
make sure that there is sufficient clearance
above and behind the trunk lid/tailgate.
96Trunk/cargo compartment
Opening and closing

Ideally, place luggage or loads in the trunk/
cargo compartment. Observe the loading
guidelines (
Ypage 238).
Do not leave the SmartKey in the trunk/cargo compartment. You could otherwise lock your-
self out.
Sedan without the trunk lid convenience
closing feature: the trunk lid can be:
Ropened and closed manually from outside
Ropened automatically from outside
Ropened automatically from inside
Rlocked separately
Ropened with the emergency release button
Runlocked with the mechanical key
Sedan with the trunk lid convenience
closing feature: the trunk lid can be:
Ropened and closed manually from outside
Ropened and closed automatically from out-
side
Ropened and closed automatically from
inside
Rlocked separately
Ropened with the emergency release button
Runlocked with the mechanical key
Wagon: you can:
Ropen and close the tailgate manually from
outside
Ropen the tailgate manually from inside
(Wagon with a folding bench seat)
Ropen and close the tailgate automatically
from outside
Ropen and close the tailgate automatically
from inside
Rlimit the opening angle of the tailgate
Runlock the tailgate using the mechanical
key
Trunk lid/tailgate reversing feature
The trunk lid/tailgate is equipped with an
automatic reversing feature. It reacts if a solid
object obstructs or restricts the trunk lid/
tailgate during the closing procedure. The trunk lid/tailgate opens again automatically.
The automatic reversing feature is only an aid
and is not a substitute for your attentiveness to the trunk lid/tailgate while it is closing.
GWARNING
The reversing feature does not react:
Rto soft, light and thin objects, e.g. small fin-
gers
Rover the last 1/3 in (8 mm) of the closing
movement
This means that the reversing feature cannot
prevent someone being trapped in these sit-
uations. There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure.
If somebody becomes trapped:
Rpress the Fbutton on the SmartKey, or
Rpull or press the remote operating switch
on the driver's door or
Rpress the closing or locking button on the
trunk lid/tailgate, or
Rpull the handle on the trunk lid/tailgate
Opening/closing from outside
Opening
Handle (example: Sedan)
XPress the %button on the SmartKey.
XSedan: pull handle :.
XRaise the trunk lid.
Wagon: if you pull handle :and keep it in
this position, you can open the tailgate man-
Trunk/cargo compartment97
Opening and closing
Z

ually.Ifyou release the handle, the tailgate
opens automatically.
Closing
Recess (example: Sedan )
XPull the trunk lid/tailgate downusing
recess :.
XWagon: let the tailgate drop and engage in
the lock.
XIf necessary, lock the vehicle with the &
button on the SmartKey (
Ypage 90) or with
KEYLESS -GO (
Ypage 91).
XIfnecessary, lock the vehicle with the &
button on the SmartKey (
Ypage 90) or with
KEYLESS -GO (
Ypage 91).
XIfnecessary, lock the vehicle with the &
button on the SmartKey (
Ypage 90).
iIfa KEYLESS -GO keyisdetected in the
trunk /cargo compartment, the trunk lid/
tailgate willnot lock.
Sedan: the trunk lid then opens again.
Opening/closing automatically from
outside
Important safety notes
GWARNIN G
Part sof th ebody could become trapped dur-
ing automatic closin gof th etrunk lid/tailgate.
Moreover, people, e.g. children ,may be
standing in th eclosin garea or may ente rth e
closin garea durin gth eclosin gprocess. Ther e
is aris kof injury.
Mak esure that nobody is in th evicinity of th e
closin garea durin gth eclosin gprocess.
Use on eof th efollowin goption sto stop th e
closin gprocess:
Rpress th eF buttonon th eSmartKey.
Rpull or press th eremot eoperating switch
on th edriver' sdoor .
Rpress th eclosin gor lockin gbutto non th e
trunk lid/tailgate.
Rpull th ehandle on th etrunk lid/tailgat e
GWARNING
Combustion engines emit poisonous exhaust
gase ssuc has carbon monoxide. Exhaust
gase scan ente rth evehicl einterio rif th e
trunk lid/tailgat eis open when th eengin eis
running, especially if th evehicl eis in motion .
Ther eis aris kof poisoning .
Always switch off th eengin ebefore opening
th etrunk lid/tailgate. Never driv ewit hth e
trunk lid/tailgat eopen .
!The trunk lid/tailgate swings upwards
and to the rear when opened. Therefore,
make sure that there issufficient clearance
above and behind the trunk lid/tailgate.
Opening
You can open the trunk lid/tailgate automat-
ical ly wit h the SmartKey or the handle inthe
trunk lid/tailgate.
XPress and hold the Fbutton on the
Sm artKey unt ilthe trunk lid/tailgate
opens.
or
XIf the trunk lid/tailgate isunlocked, pullthe
trunk lid/tailgate handle and let itgo again
immediately.(
Ypage 97)(Ypage 97)
98Trunk/cargo compartment
Opening and closing

Closing
Closingbutto nand lockin gbutto n(example :
Sedan)
Sedan: on vehicles with the trunk lid remote
closing feature, you can close the trunk lid
automatically. For vehicles with trunk lid
remote closing feature and KEYLESS-GO: you
can simultaneously close the trunk lid and
lock the vehicle.
Wagon: for vehicles with KEYLESS-GO, you
can simultaneously close the tailgate and
lock the vehicle.
XTo close: press closing button :in the
trunk lid/tailgate.
XTo simultaneously close the trunk lid/
tailgate and lock the vehicle:
Press closing button ;in the trunk lid/
tailgate. The KEYLESS-GO key must be in
the rear detection range of the vehicle.
The trunk lid/tailgate closes.
If all the doors are closed, the vehicle locks.
iIf KEYLESS-GO detects a SmartKey in the
trunk/cargo compartment, the trunk lid/
tailgate opens again after it is closed.
If KEYLESS-GO detects a second SmartKey
outside the vehicle, the trunk lid/tailgate
remains closed.
HANDS-FREE ACCESS
Important safety notes
GWARNING
The vehicle's exhaust system may be very hot. You could burn yourself by touching the
exhaust system if you use HANDS-FREE
ACCESS. There is a risk of injury. Always
ensure that you only make the kicking move-
ment within the detection range of sensors.
!If the key is within the rear detection
range of KEYLESS-GO, situations such as
the following could lead to the uninten-
tional opening of the trunk lid/tailgate:
Rusing a car wash
Rusing a power washer
Make sure that the SmartKey is at least
10 ft (3 m) away from the vehicle.
General notes
Sedan: with KEYLESS-GO and HANDS-FREE
ACCESS, you can open or close the trunk lid
or stop the closing procedure without using
your hands.
Wagon: with KEYLESS-GO and HANDS-FREE
ACCESS, you can open or close the tailgate or
stop the procedure without using your hands.
This is useful if you have your hands full. To do
this, make a kicking movement under the
bumper with your foot.
Observe the following points:
RCarry your KEYLESS-GO key about your
person. The KEYLESS-GO key must be in
the rear detection range of the vehicle.
RWhen making the kicking movement, make
sure that you are standing firmly on the
ground and that there is sufficient clear-
ance to the rear of the vehicle. You could
otherwise lose your balance e.g. on ice.
Trunk/cargo compartment99
Opening and closing
Z