this reason, please make sure that the
charging cable is only stowed in the
intended location. X
Opening: Open the tailgates.
X Pull handle :on the inside of the tail-
gate backward.
X Lift up the storage compartment cover.
X Closing: Close storage compartment
cover :.
X Press on the “PRESS” marking in the mid-
dle of storage compartment cover :
until it engages audibly.
X Close the tailgates (Y page 55).Loading instructions
G
WARNING
Transport heavy or hard objects in the
cargo compartment, not in the passenger
compartment.
Always fasten items being carried as
securely as possible using fastening mate- rials appropriate for the weight and size of
the load.
In an accident, during hard braking or sud-
den maneuvers, loose items may be thrown
around inside the vehicle, causing injury
to vehicle occupants. G
WARNING
To help avoid personal injury during a col- lision or sudden maneuver, exercise care
when storing objects in the vehicle. Put
luggage or cargo in the cargo compartment if possible. Do not pile luggage or cargo
higher than the seat backrests.
Keep compartment lids closed. This will
help to prevent stored objects from being
thrown about and injuring vehicle occu-
pants during
R braking
R vehicle maneuvers
R an accident G
WARNING
No racks or loads may be secured to the roof of the vehicle, as
R the panorama roof* may be damaged, thus
injuring persons
R this can have a substantial adverse
effect on the driving dynamics of the
vehicle, thus causing accidents
R the rack and/or the load could detach and
through this cause an accident or other
people could be injured by the load and/
or rack that has fallen off G
WARNING
Do not store any flammable substances
inside the vehicle that could ignite and
start a fire. G
WARNING
The manufacturer has not approved your
vehicle for towing a trailer. A trailer can
permanently impair driving safety.
The gross vehicle weight which is the
weight of the vehicle including tools,
installed accessories, passengers, and
luggage/cargo must never exceed the load
limit and the Gross Vehicle Weight Rating
(GVWR) for your vehicle as specified on the placard located on the driver’s door B‑pil-
lar (Y page 214). In addition, the load must
be distributed in such a way so that the
weight on each axle never exceeds the Gross Axle Weight Rating (GAWR) for the front and
rear axle. The GVWR and GAWR for your vehi-
cle are indicated on the certification 108
Loading and storing>> Controls.
* optional
High-voltage battery
Introduction
The components of the drive system are
indicated by yellow warning labels to make you aware of high voltage.
High-voltage cables are orange-colored. G
WARNING
The drive system is subject to high vol-
tages.
You may be seriously or even fatally injured if you:
R tamper with components or high-voltage
cables in the drive system
R touch components or high-voltage cables
in the drive system on a vehicle which has
been involved in an accident
R touch damaged drive system components
Do not remove any drive system component
covers which are marked with a warning
sticker. Do not tamper with components or
orange high-voltage drive system cables. G
WARNING
The high‑voltage battery of the drive sys-
tem is located under the vehicle’s under-
body. When the pressure inside the
high‑voltage battery exceeds a certain
value, for example in case of a vehicle fire, inflammable gas will escape via a duct. Theinflammable gas escapes to an area under
the vehicle. This prevents the high‑voltage
battery from exploding.
Stay away from this area of the vehicle. The drive system is powered by a high-
voltage battery. The high-voltage battery
stores and releases the energy required for operation of the electric motor.
The electric motor uses the energy that is
stored in the high-voltage battery when
driving off and when accelerating.
When rolling, kinetic energy is converted
into electrical energy by energy recovery
and stored in the high-voltage battery.
The range of the vehicle is reduced when
consumers are switched on, e.g. climate
control.
The high-voltage battery can be charged in
a voltage range from 100 V to 240 V.
The high-voltage battery can be charged
R through energy recovery while the vehi-
cle is rolling or when braking
R Level 1 charging - 110 V / 120 V -
A travel cord will be supplied with the
vehicle. This charging cable can be
plugged into commonly available
110 V / 120 V, 15 A power sources. This
charging method will take longer to
charge your vehicle than a dedicated
level 2 charging source. Therefore it is
not recommended as the primary method
of charging.
R Level 2 charging - 220 V / 240 V -
For the fastest possible charging time, a
dedicated 220 V / 240 V, 20 A circuit is
required. Local electrical code can vary
from town to town. Therefore, it is highly recommended that this service is pro-
fessionally installed. This service
should be installed in a dry area with
easy access to the passenger side of the
vehicle. You will need to obtain a vehicle
charge connector that can be wired
directly to or plugged into the dedicated
220 V / 240 V service. Charge connectors
will be available for purchase through
your authorized electric drive smart
center.
R Level 2 charging - Charging station 112
High-voltage battery>> Operation.
ture range from
Ò4‡(Ò20 ¥) to 104 ‡
(40 ¥) .
When the vehicle is exposed to tempera-
tures below Ò13‡(Ò25 ¥) for longer than
seven days, irreversible damage by frost
can occur.
Terms of use Observe the following notes:
R exclusions of the high-voltage battery
terms of use in the battery rental con-
tract
R exclusions and limitations in the war-
ranty and guarantee documents, as well as
in the Service Booklet
R maintenance notes for the high-voltage
battery in the Service Booklet
Overvoltage protection !
Overvoltage in the on-board powersup-
ply system can damage the vehicle.
The vehicle is therefore equipped with a
protective device against overvoltage in the power supply system. This protective
device can be activated in severe thun-
derstorms, for example, and lead to
security systems being triggered. This
function is used to protect the vehicle.
Once the security system has been reac-
tivated, the charging process continues
automatically.
Reactivate the security system after it has been triggered. Otherwise the charging
process will not continue. The high-volt-
age battery is not being charged, which may result in the vehicle not being ready to
start.
If you have secured other devices using the same security system, they will also be
deactivated after this is triggered. Make
sure that these devices do function after
reactivating the security system. Charging cable and ‑connecter warming Observe the safety notes on (Y
page 112).
Charging cable and ‑connecter can become warmed during charging process when con-
nected to a power source.
This warming is caused by
R high charge currents
R charging time
R transfer resistances at the plug contacts
R resistances of the charging cable
If the infrastructure of the power supply
system and charging cable are in good
order, the charging cable and ‑connecter
will only warm up within admissible
threshold.
Damaged charging cable plug or its con-
tacts may lead to warming above admissi-
ble threshold. In case of this, have the
cable, respectively power socket,
exchanged or disposed by a qualified elec-
trician. Charging at an AC power socket or a
private wallbox
Charging at an AC power socket G
WARNING
If you apply improperly installed power
sockets or adapters, extension cables or
similar to connect the charging cable to
power sockets, this may cause fire or lead
to electric shock. Risk of life!
In order to avoid the risk, please observe
the following:
R Connect the charging cable only to power
sockets which are
- properly installed
- approved by a qualified electrician
R For safety reasons only use charging
cables which have been supplied and
approved for the vehicle.
R Do not use a damaged charging cable. 114
High-voltage battery>> Operation.
R
Do not use:
- extension chords
- cable reels
- multiple sockets
R Do not use power socket adapters to con-
nect the charging cable to the main
socket. Only exception to charge the
high-voltage battery of an electric vehi- cle would be an adapter which has been
certified and approved by the manufac-
turer.
R Observe the manufacturer’s safety
instructions.
Charging at a private wallbox G
WARNING
If you apply an improperly installed wall-
box or adapter, extension cable or similar to connect the charging cable, this may
cause fire or lead to electric shock. Risk of life!
In order to avoid the risk, please observe
the following:
R Connect the charging cable only to a
wallbox which is
- properly installed
- approved by a qualified electrician
R For safety reasons only use charging
cables which have been certified and
approved for the vehicle.
R Do not use a damaged charging cable.
R Do not extend the charging cable.
R Do not use power socket adapters.
R Observe the manufacturer’s safety
instructions.
Charging cable G
WARNING
The drive system is under high voltage.
Only use the charging cable that is sup-
plied with the vehicle or a wallbox charg-
ing cable . Only use these charging cables to charge the vehicle. Do not extend a
charging cable. Do not use a charging cable
if it is damaged.
You could otherwise suffer an electric
shock and be seriously or even fatally
injured.
When charging at a private wallbox or pub- lic charging station (level 2 charging), the
charging cable is non-detachably connec-
ted to the wallbox or charging station.
Storing the charging cable You can store the charging cable in the
vehicle.
R cabrio:
- in a box which is available as a sepa-
rate accessory (part number A 451 810 00
80).
- in the storage compartment in the
tailgate, if available (Y page 107).
In this case, you can not stow the roof
bars of the roof system there.
R coupé: in the storage compartment in the
tailgate, if available (Y page 107). Storage compartment in the tailgate
X Hold charging cable connector ;in your
left hand and power supply connector :
in your right hand.
X Lay spiral section =of the cable into
the rear area of the storage compartment.
X Place the remainder of the charging
cable into the recesses in the storage High-voltage battery
115>> Operation. Z
compartment as shown in the illustra-
tion.
When doing so, observe that the display
and buttons on control element ?both
point upwards.
Control element on the charging cable
(Level 1) G
WARNING
When connected to a power supply socket, a
high electrical load during the charging
process can lead to overheating of the
external power supply. There is a risk of
fire.
Check the maximum permissible charge
current on site before you begin the charg-
ing process. Contact an authorized electric drive smart center should you require
assistance. If necessary, adjust the set-
tings of your vehicle.
! An excessive charge current can blow a
fuse or lead to overheating of the exter-
nal power supply. Check whether the
external power supply is compatible
with the set charge current. If necessary, lower the set charge current or use
another power socket. :
AC status display
; Monitoring and safety system display
= Charge current display
? Set charge current button
If the lights on indicator lamps :and ;
light up, it means the following: Indicator lamp
: : lights up
green The connection to the
external power supply is
OK. The high‑voltage bat-
tery can be charged.
flashes red A malfunction is detected
in the external power sup-
ply. The high‑voltage bat- tery will be charged when
the current signal reachesa normal value. lights up
red There is a malfunction.
The charging cable must
be unplugged from the
power socket and plugged
in again.
Indicator lamp
; ; lights up
green There is no malfunction.
The high‑voltage battery
can be charged.
lights up
red The power supply on the
control element is not
permissible. The
high‑voltage battery can-
not be charged.
i
Information on problems during the
charging process can be found on
(Y page 120).
X To set the charge current: press but-
ton ?repeatedly until the desired set-
ting is selected in display =.
R An LED lights up: minimum setting
R All LEDs light up: maximum setting
i Depending on the country, the value of
the maximum setting may vary.
If you leave the charging cable in the power supply socket after charging, the set value
is used for the next charging process. 116
High-voltage battery>> Operation.
Problems with the charging process
Problem Possible causes/consequences and
M
MSolutions The charge socket flap
does not open. The charge socket flap is not unlocked.
X Unlock the vehicle (Y page 53). The batteries of the key are discharged.
X Unlock the vehicle with the key manually (Y page 177).The charge socket flap is unlocked but the opening mechanism
is jammed.
X Lock and unlock the vehicle again.
If the opening mechanism is still jammed: X Contact an authorized electric drive smart center. The charging cable
cannot be inserted
into the vehicle power
socket. The vehicle power socket is locked.
X Make sure that the gear selector lever is in position P.The charging cable
plug cannot be
removed from the
vehicle power socket. The charging cable plug is not unlocked.
X Press the %button on the key.
The charging cable plug in the vehicle power socket is
released.
X Remove the charging cable plug from the vehicle power
socket. Online access to the vehicle
General G
WARNING
Observe the legal regulations of the coun-
try in which you are currently located when
using the "Vehicle Homepage". If the oper- ation of communications devices while
driving is permitted by law, use such devi-
ces only when traffic conditions permit you to do so safely. You can be distracted from
traffic events. There is a risk of an acci-
dent.
Only use the "Vehicle Homepage" before
and/or after a journey. With the "Vehicle Homepage", you can call
up remote query or remote configuration
functions of your vehicle. Calling up
remotely is possible with every computer
with Internet access and with many modern smart phones.
You can reach the "Vehicle Homepage" via
your web browser under the following
address:
http://vh.smart.com
i In order to use the "Vehicle Homepage",
you must agree to the general terms and
conditions and data protection provi-
sions.
Access to the "Vehicle Homepage" is free of charge for three years beginning with new
vehicle delivery. After expiry of the free 120
High-voltage battery>> Operation.
X
Set the value of the charge current to 12 A
and confirm.
X Press the encryption button on the pow-
erline adapter within three minutes.
When the powerline adapter shows a con-
nection, the connection process was suc- cessful.
i Observe the separate operating
instructions of the powerline adapter.
i Contact an authorized electric drive
smart center if you have any questions.
X Next, set the value of the charge current
to the desired value once again.
As soon as the vehicle establishes an Inter- net connection, you can also use the "Vehi-
cle Homepage" at home during the charging process. Changes you have made via the
"Vehicle Homepage" are adopted after the
charging process is complete. This data
transmission ends after approximately
three days. Intelligent charging management
If you wish to charge economically and with
minimal damage to the battery, you must set a departure time (Y page 90). This option to
optimize the charging process depends on
your electricity contract and the local
power supplier. Your vehicle detects this
option automatically. Depending on the
departure time which is set, the charging
process of the high-voltage battery may not be started immediately or may be inter-
rupted during the process. Front compartment
Service flap
Remove the service flap to check the bat-
tery coolant level, windshield washer res- ervoir level, and brake fluid level. Insert the service flap on the front of the
vehicle so that it does not get damaged or
dirty.
i
The service flap has a strap on the rear
side that ties it to the vehicle body. G
WARNING
Always turn the key to starter switch posi-
tion 0and remove the key from the starter
switch before opening the service flap.
If the windshield wipers should inadver-
tently be switched on, you could be seri-
ously injured by the wiper washer drive,
which is located just below the service
flap. G
WARNING
Make sure the service flap is locked while
driving. Otherwise, the service flap could
become detached and pose a hazard to you or others.
! Check the fill levels at regular inter-
vals.
! Carefully remove ice, snow, and any
other deposits from the air intake
grilles above the service flap to ensure
air intake at all times.
X Park the vehicle on level ground.
X Switch off the ignition.
X Engage the parking brake. Front compartment
123>> Operation. Z
X
Insert both tabs Eon the back of service
flap =completely into openings F.X
Push service flap =down in direction of
arrow G.
X First push both levers ;inward and then
to the rear. X
Press both levers ;into the radiator
grille until they engage. Coolant
G
WARNING
The cooling system is pressurized. There-
fore, do not unscrew the cap before the
drive system has cooled down. Wait for a
cooling period of at least 30 minutes. Oth- erwise, you could be seriously burned if hot coolant escapes.
The coolant is a mixture of water and anti-
corrosion/antifreeze. To check the coolant
level the vehicle must be parked on level
ground and the drive system must have
cooled down. For more information, see
„Coolants“ (Y page 219).
The battery coolant reservoir is located in the front compartment on the driver’s side.
i The coolant expansion tank for the bat-
tery‑ and drive system cooling is located
in the front compartment on the left-hand
side in the direction of travel. Front compartment
125>> Operation. Z