battery MERCEDES-BENZ C CLASS 2016 Owner's Guide

Page 170 of 398

Problems with fuel and the fuel tank Problem
Possible causes/consequences and P Solutions
Fuel is leaking from the
vehicle.
G WARNING
The fuel line or the fuel tank is faulty.
Risk of explosion or fire. X
Apply the electric parking brake. X
Switch off the engine. X
Remove the SmartKey from the ignition lock.
or, in vehicles with KEYLESS-GO start-function or KEYLESS ‑ GOX
Open the driver's door.
The on-board electronics now have status 0 . This is the same as the
SmartKey having been removed. X
Do not restart the engine under any circumstances. X
Consult a qualified specialist workshop.
The fuel filler flap cannot
be opened. The fuel filler flap is not unlocked. X
Unlock the vehicle ( Y
page 81).X
PLUG-IN HYBRID Vehicles: depressurize the fuel tank
( Y
page 165).
The SmartKey battery is discharged or nearly discharged. X
Unlock the vehicle using the mechanical key ( Y
page 83).
The fuel filler flap is unlocked, but the opening mechanism is jammed. X
Consult a qualified specialist workshop.
Charging the high-voltage battery
(PLUG-IN HYBRID vehicles)
Important safety notes
G DANGER
The vehicle's high-voltage electrical system is
under high voltage. If you modify components
in the vehicle's high-voltage electrical system
or touch damaged components, you may be
electrocuted. The components in the vehi-
cle's high-voltage electrical system may be
damaged in an accident, although the damage
is not visible. There is a risk of fatal injury.
Following an accident, do not touch any high-
voltage components and never modify the
vehicle's high-voltage electrical system. Have
the vehicle towed away after an accident and the vehicle's high-voltage electrical system
checked by a qualified specialist workshop.
G WARNING
In the event of a vehicle fire, the internal pres-
sure of the high-voltage battery can exceed a
critical value. In this case flammable gas
escapes through a ventilation valve on the
underbody. The gas can ignite. There is a risk
of injury.
Leave the danger zone immediately. Secure
the danger area at a suitable distance, whilst
observing legal requirements.
G DANGER
If you use incorrectly installed mains sockets
or adapters, extension cables or similar to
connect the charging cable to a mains socket,168
Charging the high-voltage battery (PLUG-IN HYBRID vehicles)
Driving and parking

Page 171 of 398

this could lead to fires or an electric shock.
There is a risk of fatal injury.
To avoid hazardous situations, observe the
following: R
Only connect the charging cable to mains
sockets that: -
are installed correctly and -
have been approved by an electrical spe-
cialist. R
For safety reasons, only use the charging
cables supplied with the vehicle, or charg-
ing cables which have been approved for
use with this vehicle. R
Never use a damaged charging cable. R
Do not use:-
Extension cables -
Cable drums -
Multiple sockets R
Do not use a socket adapter to connect the
charging cable to the mains socket. The
only exception is if the adapter has been
tested and approved by the manufacturer
for charging the high-voltage battery in an
electric vehicle. R
Always observe the safety notes in the
socket adapter's operating instructions.
G DANGER
Connecting the charging cable to the wallbox
via an incorrectly installed wallbox or adapter,
extension cable or similar could cause a fire or
an electric shock. There is a risk of fatal injury.
To avoid hazardous situations, observe the
following: R
Only connect the charging cable to a wall-
box that: -
is installed correctly and -
has been approved by an electrical spe-
cialist. R
For safety reasons, only use charging
cables that have been tested and approved
by the manufacturer for charging the high-
voltage battery in an electric vehicle. R
Never use damaged charging cables. R
Do not extend the charging cable. R
Do not use an adapter. R
Always observe the safety notes in the wall-
box's operating instructions.
The vehicle's high voltage electrical system is
under high voltage. R
Do not tamper with the high-voltage compo-
nents or the orange cables of the high-voltage
electrical system. R
Do not touch high-voltage components or the
orange cables of the high-voltage electrical
system when a vehicle has been involved in a
crash. R
Never touch damaged components or the
damaged orange cables of the high-voltage
electrical system. R
Do not remove the covers of the high-voltage
electrical system components that are
marked with a warning sticker.
General notes
Method of operation The vehicle is equipped with a high-voltage bat-
tery for driving. The high-voltage battery stores
the energy needed to operate the electric motor
and releases it again.
The electric motor uses energy that has been
stored in the high-voltage battery when pulling
away, accelerating and during the journey.
In overrun mode, kinetic energy is converted by
means of energy recuperation into electrical
energy and stored in the high-voltage battery.
Information on overrun mode ( Y
page 232).
The high-voltage battery can be charged as fol-
lows: R
through energy recuperation while the vehicle
is in motion R
through the combustion engine while driving
in CHARGE operating mode ( Y
page 226)R
with the relevant charging cable at an electri-
cal outlet while the vehicle is stationary R
with the relevant charging cable at a wallbox
while the vehicle is stationary R
with the relevant charging cable at a charging
station while the vehicle is stationaryCharging the high-voltage battery (PLUG-IN HYBRID vehicles) 169
Driving an d parking Z

Page 172 of 398

The high-voltage battery can be charged in a
nominal voltage range from 100 V to 240 V.
You can view the condition of charge of the high-
voltage battery in the multifunction display. You
can find information in "PLUG-IN HYBRID oper-
ation", section "Menus and submenus" under
"Energy flow display" ( Y
page 227).
High and low outside temperatures Low outside temperatures
At very low outside temperatures the maximum
power output of the high-voltage battery may be
reduced. The high-voltage battery is then no
longer able to provide the normal electrical
power output.
High outside temperatures
To prevent damage to the high-voltage battery
due to very high outside temperatures, the max-
imum power output of the high-voltage battery
is reduced by the vehicle.
Energy consumption and electrical
range The maximum electrical range is generally
reduced by: R
high and low outside temperatures R
operating the climate control system R
switching on consumers
The battery's physical characteristics are such
that leaving the vehicle parked for long periods
at low outdoor temperatures without charging it
can lead to: R
a reduction in battery performance R
longer charge times
Notes on battery care Avoid storing or transporting the vehicle at
excessively high or low temperatures over a long
period.
If you park the vehicle and leave it stationary for
long periods: R
check the condition of charge of the high-
voltage battery more often R
connect the vehicle to a power supply
This prevents self-discharge and damage to the
high-voltage battery. Terms of use Please note the information on exceptions and
limitations in warranty documentation and in
the Maintenance Booklet.
Handling the charging cable and charg-
ing cable controls Do not leave the charging cable controls
( Y
page 171) hanging loose from an electrical
outlet. Otherwise, this could result in a poor
contact with the electrical outlet and malfunc-
tions when charging the vehicle.
To ensure that the brackets within the charging
cable controls are not subjected to incorrect
loads, observe the following: R
Never lift or carry the controls by the charging
cable connector or the mains plug. R
To transport the charging cable, the coiled
part can be: -
wrapped around the controls or -
secured to the housing of the controls
Heat generated by the charging cable
and charging cable connector Pay attention to the "Important safety notes"
( Y
page 168).
During the charging process, the charging cable
and charging cable connector may heat up.
The charging cable and charging cable connec-
tor will only heat up within the permissible lim-
iting values, provided that: R
the power supply and the charging cable are
not damaged R
the instructions for handling the charging
cable and controls on the charging cable are
observed
If the charging cable or plug get too hot, have the
mains power supply checked.
Protection device against overvoltage
! Overvoltage in the mains supply may dam-
age the vehicle. For this reason, the vehicle is
equipped with a protection device against
overvoltage in the mains supply. This device
may be triggered during severe thunder-
storms, for example, and may lead to the buil-
ding's fuse being tripped and an interruption
in the power supply. These functions protect
the vehicle. After the building fuse is switched170
Charging the high-voltage battery (PLUG-IN HYBRID vehicles)
Driving and parking

Page 173 of 398

on again, the charging process resumes auto-
matically. Following an interruption in the
power supply or tripping of the building's fuse,
it may take up to 10 minutes for charging to
resume automatically.
Switch on the building protection system again
after it has been triggered. Otherwise, the
charging process cannot be continued.
General information about the charging
procedure Pay attention to the "Important safety notes"
( Y
page 168).
The vehicle socket is located in the rear bumper
on the right below the tail lamp.
The charge socket flap and the vehicle are cen-
trally locked or unlocked simultaneously.
Charging the high-voltage battery via
the electrical outlet
Charging cable for electrical outlets
Important safety notes
! Only use the charging cable to charge the
high-voltage battery. Do not use the charging
cable for other purposes. It may otherwise be
damaged.
A charging cable for connection to the electrical
outlet is included with the vehicle. Only use the
charging cable included with the vehicle or
charging cables that have been approved for the
vehicle.
i If you use the supplied 12 A charging cable
to charge a high-voltage battery: R
the charge time increases considerably R
electrical consumption increases consider-
ably
Where possible, charge the high-voltage bat-
tery at a charging station ( Y
page 174). Only
then can certified electrical energy consump-
tion levels be reached.
i The charging process can vary depending on
the power supply. Therefore, always observe
the local information.
Information about charging from a wallbox
( Y
page 173). Information on charging at a charging station
( Y
page 174).
Stowing the charging cable The charging cable can be stowed in the bag
supplied in the trunk/cargo compartment of the
vehicle and held in place with the Velcro fas-
tener.
Controls on the charging cable
C
Alternating current status indicator D
Control/protection system indicator

Page 174 of 398

Display D
Light s up
green There are no malfunctions.
The high-voltage battery can
be charged.
Light s up red An impermissible curren t is
bein g supplied to th e control
unit. The high-voltage battery
canno t be charged.
i Fo r information on problem s relating to th e
charging process, see ( Y
page 175).
Setting th e maximum charg e curren t
G WARNIN G
If th e charg e curren t draw via a main s socke t
is to o high during th e charging process, th e
external electrical system may overheat.
There is a ris k of fire.
Befor e beginning th e charging process, chec k
th e maximum permissibl e charg e curren t
locally. Consult a qualified exper t to do so
wher e necessary.
If necessary, adjust your vehicle's settings.
! An excessive charg e curren t can blow a fus e
or lead to overheating of th e external powe r
supply. Chec k whether th e external powe r
supply is compatible wit h th e set charg e cur -
rent. If necessary, lower th e set charg e cur -
ren t or use another powe r socket.
You can set a limi t for th e value s of th e charg e
curren t used in charging th e high-voltage bat -
tery. This act s as a mean s of preventing th e
powe r supply from overloading. You can set this
limi t by usin g th e control s on th e charging cable
or in th e on-boar d computer' s menu. Only set
th e maximum charg e curren t in th e on-boar d
computer men u if there are no charg e curren t
setting s on th e charging cable.
The default standard value in th e vehicl e corre-
spond s to th e maximum charg e curren t value .
The default standard value on th e cha rging cable
i
s th e minimum charg e curren t setting . This cor-
responds to th e minimum available charg e cur -
ren t from th e powe r supply. The value on th e
charging cable can be increased and is descri-
bed in th e followin g section . i The value of th e maximum setting and th e
adjustmen t value may var y depending on th e
country.
Befor e charging th e high-voltage battery, chec k
th e maximum permissibl e charg e curren t for th e
relevan t powe r socket. X
To adjust th e setting: press butto n

Page 175 of 398

Indicator
lamp
Lights up
orange A charging break for the high-
voltage battery is taking
place.
The indicator lamp goes out
after approximately
90 seconds.
Lights up
green The high-voltage battery is
fully charged.
The indicator lamp goes out
after approximately
90 seconds.
i If the indicator lamp is off, lock or unlock the
vehicle. The indicator lamp then displays the
current status of the charging process again.
Connecting the charging cable
X
Shift the transmission to position P .X
Switch the ignition off. X
Press the charge socket flap in the direction
of arrow C .
The charge socket flap swings up. X
Press fastener D to the left.
Socket cap

Page 177 of 398

Problems with the charging process Problem
Possible causes/consequences and P Solutions
The charge socket flap
cannot be opened. The charge socket flap is not unlocked. X
Unlock the vehicle ( Y
page 81).
If the key battery is discharged: X
Unlock the driver's door using the mechanical key ( Y
page 83).
or X
Unlock the vehicle centrally from the inside ( Y
page 88).
The charge socket flap is unlocked, but the opening mechanism is
jammed. X
Lock the vehicle and unlock it again.
If, after that, the opening mechanism is still jammed: X
Consult a qualified specialist workshop.
The high-voltage battery
is not being charged. The indicator lamp on the vehicle socket does not light up or flashes
red.
A malfunction has occurred during the initialization of the charging
process or during charging. X
Disconnect the charging cable connector from the vehicle socket
and plug it back into the vehicle socket.
If the problem persists: X
Use a different charging station.
or X
Consult a qualified specialist workshop.
The high-voltage battery
is not charged during the
charging process when
connected to a power
socket. The electrical outlet is faulty. X
Have the electrical outlet checked to test if it is functioning prop-
erly.
or X
Use a different electrical outlet.
The charging cable con-
nector cannot be
removed from the vehi-
cle socket. The snap fastener on the charging cable connector is locked. X
Press and hold the button on the charging cable connector. The
snap fastener on the vehicle socket is unlocked. X
Remove the charging cable connector from the vehicle socket.
If the snap fastener on the charging cable connector is locked: X
Press and hold the button on the charging cable connector and try
to release the lock.Charging the high-voltage battery (PLUG-IN HYBRID vehicles) 175
Driving and parking Z

Page 178 of 398

Online access to the vehicle
General information
G WARNING
If you operate information systems and com-
munication equipment integrated in the vehi-
cle while driving, you will be distracted from
traffic conditions. You could also lose control
of the vehicle. There is a risk of an accident.
Only operate the equipment when the traffic
situation permits. If you are not sure that this
is possible, park the vehicle paying attention
to traffic conditions and operate the equip-
ment when the vehicle is stationary.
i Operation of integrated information sys-
tems and communications equipment in
the vehicle: you must observe the legal
requirements for the country in which you are
currently driving.
You can call up remote query and remote con-
figuration functions for your vehicle using online
access to the vehicle. This is possible from an
Internet-enabled computer, as well as many
modern smartphones.
Please call the Mercedes-Benz Customer Assis-
tance Center (USA) at the hotline number
1-800-FOR-MERCedes (1-800-367-6372) to
obtain the relevant Internet address.
Online access to the vehicle is restricted to the
contractual periods of mbrace. Activated
access to the mbrace emergency call system is
required for use.
In order to be able to use online access to the
vehicle, you must agree to the local terms of
use.
Further information on supported devices, avail-
able languages and contractual periods can be
obtained from any authorized Mercedes-Benz
Center.
In order to be able to call up online access to the
vehicle, the vehicle must be connected to the
Internet ( Y
page 176).
Notes on data protection
Remember that online access to the vehicle
offers access to your data.
i Prevent unauthorized persons from
accessing this data. Every person who has access to the informa-
tion stated can use the functions of the online
access to the vehicle.
i Information when selling a vehicle or
buying a used vehicle: R
If you sell your vehicle, you are obliged to
delete the vehicle from your personal area
on the online access to the vehicle. R
If you have bought a used vehicle, it is pos-
sible that the previous owner still has
access to the online access to the vehicle.
Calling up functions The online access to the vehicle allows you
access to your vehicle's information and func-
tions using remote query and remote configu-
ration.
The following functions can be accessed: R
request the current condition of charge of the
high-voltage battery R
program the departure time ( Y
page 249)R
set or activate the "Pre-entry climate control
at departure time" function (see the Digital
Operator's Manual)
Information on additional functions and operat-
ing instructions can be found within the online
access to the vehicle.
Connecting the vehicle to the Internet
i This function is not available in all countries
and requires activated access to the mbrace
emergency call system.
You can use the online access to the vehicle if
the vehicle has a connection to the Internet via a
mobile phone network. The necessary data is
transmitted by radio. The vehicle automatically
recognizes whether a connection to the Internet
is possible or not. No presets are necessary.
i Restrictions in reception are possible if the
vehicle is in an underground car park, for
example. Restrictions may also occur in areas
with poor mobile network coverage.176
Charging the high-voltage battery (PLUG-IN HYBRID vehicles)
Driving and parking

Page 181 of 398

The electric parking brake is also engaged auto-
matically if: R
DISTRONIC PLUS brings the vehicle to a
standstill or R
the HOLD function is keeping the vehicle sta-
tionary R
Active Parking Assist is keeping the vehicle
stationary
In addition, at least one of the following condi-
tions must be fulfilled: R
the engine is switched off R
the driver is not wearing a seat belt and the
driver's door is opened R
there is a system malfunction R
the power supply is insufficient R
the vehicle is stationary for a lengthy period
The red I (USA only) or $ (Canada only)
indicator lamp in the instrument cluster goes
out.
The electric parking brake is not automatically
engaged if the engine is switched off by the ECO
start/stop function.
Releasing automatically Your vehicle's electric parking brake is auto-
matically released if all of the following condi-
tions are met: R
the engine is running. R
the transmission is in position D or R .R
the seat belt has been fastened. R
you depress the accelerator pedal.
If the transmission is in position R , the trunk lid
must be closed.
If your seat belt is not fastened, the following
conditions must be fulfilled to automatically
release the electric parking brake: R
the driver's door is closed. R
you have shifted out of transmission position
P or you have previously driven faster than
2 mph (3 km/h).
Ensure that you do not depress the accelerator
pedal unintentionally. Otherwise the parking
brake will be released and the vehicle will start
to move. Emergency braking The vehicle can also be braked during an emer-
gency by using the electric parking brake. X
While driving, push handle C of the electric
parking brake ( Y
page 178).
The vehicle is braked as long as you keep
handle C of the electric parking brake
depressed. The longer electric parking brake
handle C is depressed, the greater the brak-
ing force.
During braking: R
a warning tone sounds R
the Please Release Parking Brake mes-
sage appears R
the red I (USA only) or $ (Canada
only) indicator lamp in the instrument cluster
flashes
When the vehicle has been braked to a stand-
still, the electric parking brake is engaged.
Parking the vehicle for a long period If you leave the vehicle parked for longer than
four weeks, the battery may be damaged by
exhaustive discharging.
If you leave the vehicle parked for longer than six
weeks, the vehicle may suffer damage as a
result of lack of use. X
Visit a qualified specialist workshop and seek
advice.
i You can obtain information about trickle
chargers from a qualified specialist work-
shop.
PLUG-IN HYBRID vehicles: observe the impor-
tant safety notes for the high-voltage battery
( Y
page 349).
Driving tips
General driving tips
Important safety notes
G WARNING
If you switch off the ignition while driving,
safety-relevant functions are only available
with limitations, or not at all. This could affect, Driving tips 179
Driving and parking Z

Page 192 of 398

R
the electrical system in the engine com-
partment, the battery or the fuses have
been tampered with. R
the battery is disconnected. R
the accelerator pedal has been depressed,
e.g. by a vehicle occupant.
There is a risk of an accident.
If you wish to exit the vehicle, always turn off
DISTRONIC PLUS and secure the vehicle
against rolling away.
For further information on deactivating
DISTRONIC PLUS ( Y
page 191).
If DISTRONIC PLUS detects that the vehicle in
front is stopping, it brakes your vehicle until it is
stationary.
Once your vehicle is stationary, it remains sta-
tionary and you do not need to depress the
brake.
i After a time, the electric parking brake
secures the vehicle and relieves the service
brake.
i Depending on the specified minimum dis-
tance, your vehicle will come to a standstill at
a sufficient distance behind the vehicle in
front. The specified minimum distance is set
using the control on the cruise control lever.
When DISTRONIC PLUS is activated, the trans-
mission is shifted automatically to position P if:R
the driver's seat belt is not fastened and the
driver's door is open. R
the engine is switched off, unless it is auto-
matical ly switched off by the ECO start/stop
functi on.
The electric parking brake secures the vehicle
automatically if DISTRONIC PLUS is activated
when the vehicle is stationary and: R
a system malfunction occurs. R
the power supply is not sufficient.
If a malfunction occurs, the transmission may
also shift into position P automatically.
Setting a speed X
Press the cruise control lever up C for a
higher speed or down D for a lower speed.X
To adjust the set speed in 1 mph incre-
ments (1 km/h increments): briefly press the cruise control lever up C or down D to
the pressure point.
Every time the cruise control lever is pressed
up C or down D the last speed stored is
increased or reduced. X
To adjust the set speed in 5 mph incre-
ments (1 0 km/h increments): briefly press
the cruise control lever up C or down D to
the pressure point.
Every time the cruise control lever is pressed
up C or down D , the last speed stored is
increased or reduced.
i If you accelerate to overtake, DISTRONIC
PLUS adjusts the vehicle's speed to the last
speed stored after you have finished overtak-
ing.
Setting a specified minimum distance You can set the specified minimum distance for
DISTRONIC PLUS by varying the time span
between one and two seconds. With this func-
tion, you can set the minimum distance that
DISTRONIC PLUS keeps to the vehicle in front,
dependent on vehicle speed. You can see this
distance in the multifunction display
( Y
page 191).
i Make sure that you maintain the minimum
distance to the vehicle in front as required by
law. Adjust the distance to the vehicle in front
if necessary.
X
To increase: turn control D in direction

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