2017 MERCEDES-BENZ B-Class battery

Selecting the departure time
X Press the 0059or0065 button on the steering
wheel to select the Settings
Settings menu.
X Press 0063or0064 on the steering wheel to
select the E‑CELL
E‑CELLmenu.
X Press 0063or0064 to select Depart.
Depart. Time
Time.
X Press 0076to confirm.
X Press the 0064or0063 button to select one
of the three departure times or Timer
TimerOff
Off(no
timer active).
X Press 0076to confirm.
Charging with RANGE PLUS
If you have engaged Pand the charging cable is
connected, the on-board computer displays:
R the expected charge time of the high-voltage
battery or
R the RANGE PLUS condition of charge for the
departure time set
RANGE PLUS charges when:
R you have activated RANGE PLUS via the cen-
ter console prior to charging and
R the high-voltage battery is fully charged
If charging is not complete by departure time,
the maximum range will notbe available. Example:
R Set departure time: 6:41 a.m.
R End time for standard high-voltage battery
charging: 6:00 a.m.
R RANGE PLUS condition of charge at
6:41 a.m.: half of the additional range
R The maximum additional range is decreased
by 50 percent.
Pre-entry climate control at time of depar- ture
If you activate the "Rem. Climate Control at
departure time" function, the vehicle interior is
heated or cooled prior to a desired departure
time. i
To heat or cool the vehicle interior for a
desired departure time, the high-voltage bat-
tery must be sufficiently charged. Activate the
climate control function primarily when the
high-voltage battery is being charged. You
must also set a departure time using the E-
E-
CELL
CELL submenu (Y page 163).
Switching "Pre-entry climate control at
departure time" on/off
X Press the 0059or0065 button on the steering
wheel to select the Sett. Sett.menu.
X Use 0063 or0064 to select the E-CELL
E-CELLsub-
menu.
X Press 0076to confirm.
X Press 0063or0064 to select Pre-Entry
Pre-Entry
Climate Ctrl. at Departure Time:
Climate Ctrl. at Departure Time:.
X Press 0076to activate or deactivate.
The vehicle interior will then be heated or
cooled prior to the predefined departure time.
If a departure time is selected, the yellow
indicator lamp lights up on the auxiliary heat-
ing button.
You can use the on-board computer to specify
up to three departure times in the E-CELL E-CELLsub-
menu. One of the specified departure times may
be preselected (Y page 163).
Pre-entry climate control (via SmartKey)
Pre-entry climate control via the key is switched on temporarily when the vehicle is unlocked
using the key. In order to switch on pre-entry
climate control via the SmartKey, the function
has to be activated using the on-board com-
puter.
Activating/deactivating pre-entry climate
control via the key
X Press the 0059or0065 button on the steering
wheel to select the Sett. Sett.menu.
X Use 0063 or0064 to select the E-CELL
E-CELL sub-
menu.
X Press 0076to confirm.
X Press 0063or0064 to select Pre-Entry
Pre-Entry
Climate Ctrl. (Via Key):
Climate Ctrl. (Via Key):.
X Press 0076to activate or deactivate.
If pre-entry climate control via key is activa-
ted, pre-entry climate control using the key is switched on temporarily when you unlock thevehicle. 164
Menus and submenusOn-board computer and displays

Setting the maximum charge current
Before charging the high-voltage battery, check
the maximum permissible charge current for the relevant power socket.
You can set a maximum charge current in the E- E-
CELL CELL menu.
It is only necessary to select the maximum
charge current if there are no charge current
settings on the charging cable.
i The maximum charge current values in the
on-board computer may deviate from the
charging cable values. Example: changing the charge current
0043
Setting the maximum charge current
i This menu is not available in some coun-
tries. In this case, the maximum charge cur-
rent for the power socket is limited to a fixed
level, depending on the country concerned.
X Press the 0059or0065 button on the steering
wheel to select the Sett. Sett.menu.
X Use 0063 or0064 to select the E-CELL
E-CELLsub-
menu.
X Press 0076to confirm.
X Press 0063or0064 to select Maximum
Maximum
Charge Current:
Charge Current:.
X Press 0076to confirm.
X Press 0063or0064 in the submenu to select
desired maximum charge current 0043.
X Press the 0076button on the multifunction
steering wheel to confirm.
The high-voltage battery is charged with the
selected maximum charge current.
Instrument cluster Selecting the distance unit
The Display Unit Speed-/Odometer: Display Unit Speed-/Odometer: func-
tion allows you to choose whether certain dis-
plays appear in kilometers or miles in the mul-
tifunction display. X
Press the 0059or0065 button on the steering
wheel to select the Sett. Sett.menu.
X Press the 0064or0063 button to select the
Instrument Cluster
Instrument Cluster submenu.
X Press 0076to confirm.
X Press the 0064or0063 button to select the
Display Unit Speed-/Odometer
Display Unit Speed-/Odometer function.
You will see the selected setting: km kmormiles miles.
X Press the 0076button to save the setting.
The selected unit of measurement for distance
applies to: R Digital speedometer in the Trip
Trip menu
R Odometer and the trip odometer
R Trip computer
R Current energy consumption and approxi-
mate range
R Navigation instructions in the Navi
Navi menu
R Cruise control
R ASSYST PLUS service interval display
Switching the additional speedometer
on/off
If the additional speedometer is switched on,
the speed is shown in the status area of the
multifunction display instead of the outside tem-
perature.
The speed display is inverse to the speedome-
ter.
X Press the 0059or0065 button on the steering
wheel to select the Sett. Sett.menu.
X Press the 0064or0063 button to select the
Instrument Cluster
Instrument Cluster submenu.
X Press 0076to confirm.
X Press the 0064or0063 button to select the
Speedometer [km/h]
Speedometer [km/h] orSpeedometer
Speedometer
[mph]
[mph] function.
You will see the selected setting: On
OnorOff
Off.
X Press the 0076button to save the setting.
Selecting permanent display
The Permanent Display:
Permanent Display: function allows you
to choose whether the multifunction display
always shows the outside temperature or the
speed.
The speed display is inverse to the speedome-
ter. Menus and submenus
165On-board computer and displays Z

Display messages
Possible causes/consequences and
0050
0050Solutions 0049(USA
only)0024(Canada only)
Parking Brake Inop‐ Parking Brake Inop‐
erative erative The yellow
0024warning lamp lights up. The red 0049(USA only)
or 0024 (Canada only) indicator lamp flashes for about ten seconds
after the electric parking brake has been applied or released. It then
goes out or remains lit.
The electric parking brake is malfunctioning, e.g. because of over-
voltage or undervoltage.
X Rectify the cause of the overvoltage or undervoltage, e.g. by charg-
ing the battery or restarting the drive system.
X Engage or release the electric parking brake.
If it remains impossible to apply or release the electric parking brake:
X Switch off the ignition and turn it back on.
X Engage or release the electric parking brake.
If the electric parking brake still cannot be released:
X Consult a qualified specialist workshop.
If the electric parking brake still cannot be applied: X Visit a qualified specialist workshop. The yellow
0024warning lamp lights up and the red 0049(USA only)
or 0024 (Canada only) indicator lamp flashes.
It is not possible to apply the electric parking brake manually.
X Shift the transmission to position P.
X Visit a qualified specialist workshop. 0027(USA
only)004D(Canada only)
Check Brake Fluid Check Brake Fluid
Level Level There is not enough brake fluid in the brake fluid reservoir.
A warning tone sounds. The
0027(USA only) or 004D(Canada only)
warning lamps in the instrument cluster may also light up.
G WARNING
The braking effect may be impaired.
There is a risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Secure the vehicle against rolling away (Y page 128).
X Consult a qualified specialist workshop.
X Do not add brake fluid. This does not correct the malfunction. 0026
Check Check
Brake
BrakePad
PadWear
Wear The brake pads/linings have reached their wear limit.
X Visit a qualified specialist workshop. 0053
Inoperative Inoperative One or more main features of the mbrace system are malfunctioning.
X Visit a qualified specialist workshop. Display
messages
173On-board computer and displays Z

Drive system
Display messages
Possible causes/consequences and
0050
0050Solutions 00BD
Check Coolant See Check Coolant See
Operator's Manual Operator's Manual The coolant level is too low.
! Avoid making long journeys with too little coolant in the cooling
system. The drive system will otherwise be damaged.
X If the coolant needs topping up more often than usual, have the
cooling system checked at a qualified specialist workshop. 003D
See Operator's Man‐ See Operator's Man‐
ual ual The 12 V battery is no longer being charged.
X Stop the vehicle immediately, paying attention to road and traffic
conditions, and switch off the drive system.
X Secure the vehicle against rolling away (Y page 128).
X Do not drive on.
X Do not tow the vehicle.
X Consult a qualified specialist workshop. 003D
Stop Vehicle See Stop Vehicle See
Operator's Manual Operator's Manual The 12 V battery is no longer being charged and the battery charge
level is too low.
A warning tone also sounds.
X Stop the vehicle immediately, paying attention to road and traffic
conditions, and switch off the drive system.
X Secure the vehicle against rolling away (Y page 128).
X Do not drive on.
X Do not tow the vehicle.
X Consult a qualified specialist workshop. High-voltage battery
Display messages
Possible causes/consequences and
0050 0050Solutions 00D9
Battery Reserve Battery Reserve
Level Level The condition of charge of the high-voltage battery has dropped into
the reserve range.
When the remaining range is 0 km, the message appears again. The
power available is then continuously reduced. The reduction in power
is represented in the E-CELL display (Y page 152).
X Charge the high-voltage battery. 00D7
Batterieleistung Batterieleistung
zu
zu
gering, Anhalten,
gering, Anhalten,
sofort laden sofort laden(Battery
capacity too low. Stop
Charge immediately) A warning tone also sounds. The E
‑CELL display (Ypage 152) and the
charge level display (Y page 153) go down to 0. The condition of
charge of the high-voltage battery is so low that operation is no longer
possible. The drive system cannot be restarted.
If you then try to restart the drive system, the Batterieleistung
Batterieleistung zu zu
gering,
gering, Anhalten,
Anhalten, sofort
sofortladen
laden(Battery capacity too low. Stop
Charge immediately) message appears.
X Park the vehicle and charge the high-voltage battery. Display
messages
181On-board computer and displays Z

SmartKey
Display messages
Possible causes/consequences and
0050
0050Solutions 00AF
Key Key
Does
Does Not
NotBelong
Belong
to Vehicle
to Vehicle You have put the wrong SmartKey in the ignition lock.
X Use the correct SmartKey. 00AF
Take Your Key from Take Your Key from
Ignition Ignition The SmartKey is in the ignition lock.
A warning tone sounds
X
Remove the SmartKey. 00AF
Obtain a New Key Obtain a New Key The SmartKey needs to be replaced.
X Visit a qualified specialist workshop. 00AF
Replace Key Battery Replace Key Battery The SmartKey battery is discharged.
X Change the battery (Y page 69).00AF
Don't Forget Your Don't Forget Your
Key Key The display message is shown for a maximum of 60 seconds and is
only a reminder.
You open the driver's door with the drive system switched off. The
SmartKey is not in the ignition lock. A warning tone sounds.
X Take the SmartKey with you when you leave the vehicle. 00AF
Key Not Detected Key Not Detected
(red display message) The SmartKey is not in the vehicle.
A warning tone also sounds.
If the drive system is switched off, you can no longer lock the vehicle
centrally or start the drive system.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 128).
X Locate the SmartKey. There is interference from a strong source of radio waves, and as a
result the SmartKey is not detected while the drive system is running.
A warning tone also sounds.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 128).
X Insert the SmartKey into the ignition lock and drive in SmartKey
mode. Display messages
189On-board computer and displays Z

Drive system
Warning/
indicator
lamp
0051 0051
Signal type
Possible causes/consequences and 0050
0050Solutions 00D9
0051
The yellow battery charge warning lamp is on.
The condition of charge of the high-voltage battery has dropped into the reserve
range.
X Charge the high-voltage battery. Driving systems
Warning/
indicator
lamp 0051 0051
Signal type
Possible causes/consequences and 0050
0050Solutions 00BA
0051
The red distance warning lamp lights up while the vehicle is in motion. A warning
tone also sounds.
You are approaching a vehicle or a stationary obstacle in your line of travel at too high a speed.
X Be prepared to brake immediately.
X Pay careful attention to the traffic situation. You may have to brake or take
evasive action.
Further information on the distance warning function of Active Brake Assist
(Y page 60). Wa
rning and indi cator lamps in the instrument cluster
199On-board computer and displays Z

X
Vehicles with a stowage compartment
cover:
press the lower section of cover 0043.
The stowage compartment opens.
X To remove the insert: lift insert0087up0044 and
out.
X To re-install the insert: press insert0087into
the holder until it engages.
i If you remove the ashtray insert, you can use
the resulting compartment for stowage.
Rear compartment ashtray X
To open: pull cover 0087out by its top edge.
X To remove: pull insert0044by recess 0043in the
direction of arrow 0085until it audibly releases.
X Lift insert 0044up and out.
X To install the insert: install insert0044from
above into the holder and press down until it
engages. Cigarette lighter
G
WARNING
You can burn yourself if you touch the hot
heating element or the socket of the cigarette lighter.
In addition, flammable materials can ignite if:
R the hot cigarette lighter falls
R a child holds the hot cigarette lighter to
objects, for example
There is a risk of fire and injury.
Always hold the cigarette lighter by the knob.
Always make sure that the cigarette lighter is
out of reach of children. Never leave children unsupervised in the vehicle. Your attention must always be focused on the
traffic conditions. Only use the cigarette lighter when road and traffic conditions permit. X
Turn the SmartKey to position 2in the ignition
lock (Y page 109).
X Vehicles with a stowage compartment
cover: press the lower section of cover 0043.
The stowage compartment opens.
X Press in cigarette lighter 0044.
Cigarette lighter 0044will pop out automatically
when the heating element is red-hot. 12 V sockets
General notes X
Turn the SmartKey to position 1in the ignition
lock (Y page 109).
The sockets can be used for accessories with a maximum draw of 180 W (15 A). Accessories
include such items as chargers for mobile
phones.
If the sockets are used for a very long time the
battery may discharge.
An emergency cut-out ensures that the on-
board voltage does not drop too low. If the on-
board voltage is too low, the power to the sock-
ets is automatically cut.
Socket in the front center console X
Vehicles with a stowage compartment
cover:
press the lower section of the cover.
The stowage compartment opens.
X Lift up the cover of the socket. 218
FeaturesStowage and features

If possible, let the drive system cool down and
only touch the components described in the
following. G
WARNING
Windshield washer concentrate is highly flam- mable. If it comes into contact with hot com-
ponents in the front compartment, it may
ignite. There is a risk of fire and injury.
Make sure that no windshield washer con-
centrate is spilled next to the filler neck. X
To open: pull cap0043upwards by the tab.
X Add the premixed washer fluid.
X To close: press cap 0043onto the filler neck
until it engages.
If the washer fluid level drops below the recom- mended minimum of 1 liter, a message appears
in the multifunction display prompting you to
add washer fluid (Y page 188).
Further information on windshield washer fluid/
antifreeze (Y page 285). ASSYST PLUS
Service message
The ASSYST PLUS service interval display
informs you of the next service due date.
You can find information on the type of service
and service intervals in the Maintenance Book-
let.
You can obtain further information from an
authorized Mercedes-Benz Center or at
http://www.mbusa.com (USA only). The multifunction display shows a service mes-
sage for several seconds, e.g.:
R Service A in .. days
Service A in .. days
R Service A due Service A due
R Service A overdue by .. days
Service A overdue by .. days
Depending on the operating conditions of the
vehicle, the remaining time or distance until the
next service due date is displayed.
The letter A Aor B
B, possibly in connection with a
number or another letter, indicates the type of
service. A Astands for a minor service and B
Bfor a
major service.
You can obtain further information from an
authorized Mercedes-Benz Center.
The ASSYST PLUS service interval display does
not take into account any periods of time during
which the battery is disconnected.
Maintaining the time-dependent service sched-
ule:
X Note down the service due date displayed in
the multifunction display before disconnect-
ing the battery.
or X After reconnecting the battery, subtract the
battery disconnection periods from the ser-
vice date shown on the display. Hiding a service message
X Press the 0076or0038 button on the steering
wheel. Displaying service messages
X Switch on the ignition.
X Press the 0059or0065 button to select the
Serv. Serv. menu.
X Press the 0063or0064 button to select the
ASSYST
ASSYST PLUS
PLUSsubmenu and confirm by press-
ing the 0076button.
The service due date appears in the multi-
function display. ASSYST PLUS
233Maintenance and care Z