2015 MERCEDES-BENZ B-Class ELECTRIC steering

In particular, the function of the radar sensors
can be impaired in the case of:
R there is dirt on the sensors or anything else
covering the sensors
R there is snow or heavy rain
R there is interference by other radar sources
R there are strong radar reflections, for
example in parking garages
R a narrow vehicle traveling in front, e.g. a
motorbike
R a vehicle traveling in front on a different line
relative to the center of your vehicle
Following damage to the front end of the vehi-
cle, have the configuration and operation of
the radar sensors checked at a qualified spe-
cialist workshop. This also applies to colli-
sions at slow speeds where there is no visible
damage to the front of the vehicle.
If the radar sensors are not available, the sys-
tem switches automatically to level Dwith
moderate recuperation. Have the radar sen-
sors checked at a qualified specialist work-
shop.
Automatic adjustment of recuperation
on downhill gradients The vehicle can detect steep downhill gradi-
ents. To reduce acceleration downhill and to
charge the high-voltage battery, recuperation is increased steplessly. This is comparable to
the engine brake in a combustion engine
when you downshift a gear on a downhill gra- dient.
Automatic adjustment of recuperation on
downhill gradients is available in level DAUTO
or on vehicles without steering wheel paddle
shifters in level D.
Intelligent recuperation The vehicle uses the map and camera data of
Traffic Sign Assist in addition to the sensors
of COLLISION PREVENTION ASSIST PLUS
during radar-based recuperation (D AUTO
). The
rate of recuperation is then automatically adjusted to the current traffic situation, tak-
ing the current and future maximum speed
into account. High-voltage battery
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,
this could lead to fires or an electric shock.
There is a risk of fatal injury. 140
High-voltage batteryDriving and parking

G
WARNING
If you leave children unsupervised in the vehi- cle, they could set it in motion by, for example:
R release the parking brake.
R shift the transmission out of park position
P.
R start the vehicle's drive system.
They could also operate the vehicle's equip-
ment. 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 unsupervised in the vehicle.
! While the vehicle is rolling, do not shift the
transmission directly from Dto R, from Rto
D or directly to P.
Do not open the driver's door while the
vehicle is in motion. Otherwise, at low
speeds in transmission position Dor R,
park position Pis engaged automatically
and the electrical parking brake is applied.
The transmission could be damaged.
! Always secure the vehicle correctly
against rolling away. Otherwise, the vehicle
or its drivetrain could be damaged.
To ensure that the vehicle is secured against rolling away unintentionally:
R the electric parking brake must be applied.
R the transmission must be in position P.
R the SmartKey in the ignition lock must be
turned to position 0and removed from the
ignition lock.
R on steep uphill or downhill gradients, turn
the front wheels towards the curb. Switching off the drive system
G
WARNING
If you switch off the ignition while driving,
safety-relevant functions are only available
with limitations, or not at all. This can affect
the power steering and the brake boosting
effect, for example. You will require consider- ably more effort to steer and brake. There is a
risk of an accident.
Do not switch off the ignition while driving.
X Shift the DIRECT SELECT lever to position
P.
X With the SmartKey: turn the SmartKey to
position 0in the ignition lock and remove it.
The immobilizer is activated.
X With the Start/Stop button: press the
Start/Stop button (Y page 131).
The drive system and all the indicator lamps in the instrument cluster go out.
When the driver's door is closed, this cor-
responds to key position 1. When the driv-
er's door is open, this corresponds to key
position 0: "Key removed".
If you switch the drive system off with the
transmission in position Ror D, the transmis-
sion automatically shifts to N.
With the SmartKey: if you then open the
driver's door or the front-passenger door or
remove the SmartKey from the ignition, the
transmission automatically shifts to P.
With the Start/Stop button: if you then
open the driver's door or the front-passenger
door, the transmission automatically shifts to
P.
If you want the transmission to remain in neu- tral N, e.g. when having the vehicle cleaned in
an automatic car wash with a towing system:
Using the SmartKey:
X Switch on the ignition.
X Depress the brake pedal and keep it
depressed.
X Shift to neutral N.
X Release the brake pedal.
X Release the electric parking brake.
X Switch off the ignition and leave the Smart-
Key in the ignition lock. 154
ParkingDriving and parking

Driving tips
General notes
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, for example, the power steering and the brake
boosting effect. You will require considerably
more effort to steer and brake. There is a risk of an accident.
Do not switch off the ignition while driving. G
WARNING
If you operate mobile communication equip-
ment while driving, you will be distracted from traffic conditions. You could also lose controlof the vehicle. There is a risk of an accident.
Only operate this equipment when the vehicleis stationary.
Observe the legal requirements for the coun- try in which you are driving. Some jurisdic-
tions prohibit the driver from using a mobile
phone while driving a vehicle.
If you make a call while driving, always use
hands-free mode. Only operate the telephone
when the traffic situation permits. If you are
unsure, pull over to a safe location and stop
before operating the telephone.
Bear in mind that at a speed of only 30 mph
(approximately 50 km/h), the vehicle covers
a distance of 44 ft (approximately 14 m) per
second.
Drive sensibly – save energy Observe the following tips to save energy:
R The tires should always be inflated to the
recommended tire pressure.
R Remove unnecessary loads.
R Remove roof racks when they are not nee-
ded.
R Avoid frequent acceleration or braking. Energy consumption also increases when
driving in low or high outside temperatures, in
stop-start traffic, on short journeys and in
hilly terrain.
Drinking and driving G
WARNING
Drinking and driving and/or taking drugs and driving are very dangerous combinations.
Even a small amount of alcohol or drugs can
affect your reflexes, perceptions and judg-
ment.
The possibility of a serious or even fatal acci-
dent is greatly increased when you drink or
take drugs and drive.
Do not drink or take drugs and drive or allow
anyone to drive who has been drinking or tak-
ing drugs. ECO display
The ECO display provides feedback on how
economical your driving characteristics are.
The ECO display assists you in achieving the
most economical driving style for the selec-
ted settings and prevailing conditions. Your
driving style can significantly influence the
vehicle's consumption.
The ECO display consists of three bars:
R Acceleration
Acceleration
R Constant Constant
R Coasting
Coasting
The percent value is the average value of the three bars. The three bars and the mean value
begin at the value of 50%. A higher percent-
age indicates a more economical driving
style. Driving tips
157Driving and pa rking Z

X
Hold test gage Avertically on brake
disc :and slide measuring pin ;onto
brake disc :.
X Check which color field ?the arrow on
measuring pin ;is pointing to.
Green: the brake pad/lining thickness is
sufficient.
Red: the brake pad/lining thickness is not
sufficient. Have the brake pads/lining
checked at a qualified specialist workshop.
To avoid an inaccurate measurement:
R make sure you position the wheels suitably
R do not put the measuring pin on a recess in
the brake disc Driving on wet roads
Hydroplaning If water has accumulated to a certain depth
on the road surface, there is a danger of
hydroplaning occurring, even if:
R
you drive at low speeds.
R the tires have adequate tread depth.
For this reason, in the event of heavy rain or in conditions in which hydroplaning may occur,
you must drive in the following manner:
R lower your speed.
R avoid ruts.
R avoid sudden steering movements.
R brake carefully.
Driving on flooded roads !
Do not drive through flooded areas.
Check the depth of any water before driving through it. Drive slowly through standing
water. Otherwise, water may enter the
vehicle interior or the engine compartment.
This can damage the electronic compo-
nents in the engine or the automatic trans- mission. Water can also be drawn in by the
engine's air suction nozzles and this can
cause engine damage. Winter driving
G
WARNING
If you increase the recuperation level on slip- pery road surfaces, the drive wheels may lose
their traction. There is an increased danger of skidding and accidents.
Do not increase the recuperation level on slip-
pery road surfaces.
At the onset of winter, have your vehicle win- terized at a qualified specialist workshop, e.g.
at an authorized Mercedes-Benz Center.
Drive particularly carefully on slippery road
surfaces. Avoid sudden acceleration, steering
and braking maneuvers. Do not use cruise
control.
If the vehicle threatens to skid or cannot be
stopped when moving at low speed:
X Shift the DIRECT SELECT lever to position
N.
The outside temperature indicator is not
designed to serve as an ice-warning device
and is therefore unsuitable for that purpose.
Changes in the outside temperature are dis-
played after a short delay.
Indicated temperatures just above the freez-
ing point do not guarantee that the road sur-
face is free of ice. The road may still be icy,
especially in wooded areas or on bridges.
You should pay special attention to road con-
ditions when temperatures are around freez-
ing point.
For more information on driving with snow
chains, see (Y page 303).
For more information on driving with summer tires, see (Y page 302).
Observe the notes in the "Winter operation"
section (Y page 302). Driving tips
161Driving and parking Z

Problems with PARKTRONIC
Problem
Possible causes/consequences and
M
MSolutions Only the red segments
in the PARKTRONIC
warning displays are lit.
You also hear a warning
tone for approximately
two seconds.
PARKTRONIC is then
deactivated and the
indicator lamp on the
PARKTRONIC button
lights up. PARKTRONIC has malfunctioned and has switched off.
X If problems persist, have PARKTRONIC checked at a qualified
specialist workshop. Only the red segments
in the PARKTRONIC
warning displays are lit.
PARKTRONIC is then
deactivated. The PARKTRONIC sensors are dirty or there is interference.
X Clean the PARKTRONIC sensors (Y page 275).
X Switch the ignition back on. The problem may be caused by an external source of radio or
ultrasound waves.
X See if PARKTRONIC functions in a different location. Active Parking Assist
General notes Active Parking Assist is an electronic parking
aid with ultrasound. It measures the road on
both sides of the vehicle. A parking symbol
indicates a suitable parking space. Active
steering intervention can assist you during
maneuvering and parking. You may also use
PARKTRONIC (Y page 165).
Important safety notes Active Parking Assist is merely an aid. It is not
a replacement for your attention to your
immediate surroundings. You are always
responsible for safe maneuvering, parking
and exiting a parking space. Make sure that
no persons, animals or objects are in the
maneuvering range.
When PARKTRONIC is switched off, Active
Parking Assist is also unavailable. G
WARNING
While parking or pulling out of a parking
space, the vehicle swings out and can drive
onto areas of the oncoming lane. This could
result in a collision with another road user.
There is a risk of an accident.
Pay attention to other road users. Stop the
vehicle if necessary or cancel the Active Park- ing Assist parking procedure.
! If unavoidable, you should drive over
obstacles such as curbs slowly and not at a sharp angle. Otherwise, you may damage
the wheels or tires.
Active Parking Assist may possibly indicate
parking spaces which are not suitable for
parking, for example:
R where parking or stopping is prohibited
R in front of driveways or entrances and exits
R on unsuitable surfaces 168
Driving systemsDriving and parking

Parking tips:
R On narrow roads, drive as close to the park-
ing space as possible.
R Parking spaces that are littered or over-
grown might be identified or measured
incorrectly.
R Parking spaces that are partially occupied
by trailer drawbars might not be identified
as such or be measured incorrectly.
R Snowfall or heavy rain may lead to a parking
space being measured inaccurately.
R Pay attention to the PARKTRONIC
(Y page 166) warning messages during the
parking procedure.
R You can intervene in the steering procedure
to correct it at any time. Active Parking
Assist will then be canceled.
R When transporting a load which protrudes
from your vehicle, you should not use
Active Parking Assist.
R Never use Active Parking Assist when snow
chains are installed.
R Make sure that the tire pressures are
always correct. This has a direct influence
on the parking characteristics of the vehi-
cle.
Use Active Parking Assist for parking spaces:
R that are parallel to the direction of travel
R that are on straight roads, not bends
R that are on the same level as the road, e.g.
not on the pavement
Detecting parking spaces Objects located above the height range of
Active Parking Assist will not be detected
when the parking space is measured. These
are not taken into account when the parking
procedure is calculated, e.g. overhanging
loads, tail sections or loading ramps of goods
vehicles. G
WARNING
If there are objects above the detection range:
R Active Park Assist may steer too early
R the vehicle may not stop in front of these
objects.
You may cause a collision as a result. There is
a risk of an accident.
If there are objects above the detection range,
stop and deactivate Active Parking Assist.
For further information on the detection
range (Y page 165).
Active Parking Assist does not support you
parking in spaces that are parallel to the
direction of travel if:
R the parking space is on a curb
R the parking space is apparently blocked,
for example by foliage or grass paving
blocks
R the range of movement is too small
R the parking space is bordered by an obsta-
cle which is not clearly defined such as a
tree or a trailer :
Detected parking space on the left
; Parking symbol
= Detected parking space on the right
Active Parking Assist is switched on automat-
ically when driving forwards. The system is
operational at speeds of up to approximately 22 mph (35 km/h). While in operation, the
system independently locates and measures
parking spaces on both sides of the vehicle. Driving systems
169Driving and parking Z

Active Parking Assist will only detect parking
spaces:
R that are parallel to the direction of travel
R that are at least 59 in (1.5 m) wide
R that are at least 51 in (1.3 m) longer than
your vehicle
When driving at speeds below 19 mph
(30 km/h), you will see parking symbol ;as
a status indicator in the instrument cluster.
When a parking space has been detected, an arrow towards the right or the left also
appears. By default, Active Parking Assist
only displays parking spaces on the front-
passenger side. Parking spaces on the driv-
er's side are displayed as soon as the turn
signal on the driver's side is activated. When
parking on the driver's side, this must remain activated until you confirm the use of Active
Parking Assist by pressing the abutton on
the multifunction steering wheel.
A parking space is displayed while you are
driving past it, and until you are approx-
imately 50 ft (15 m) away from it.
Parking G
WARNING
Active Parking Assist merely aids you by inter- vening actively in the steering. If you do not
brake there is a risk of an accident.
Always apply the brakes yourself when
maneuvering and parking.
X Stop the vehicle when the parking space
symbol shows the desired parking space in
the instrument cluster.
X Shift the transmission to position R.
The Start Park Assist? Start Park Assist? Yes: OK
Yes: OKNo:
No:
% message appears in the multifunction
display. X
To cancel the procedure: press the%
button on the multifunction steering wheel or pull away.
or
X To park using Active Parking Assist:
press the abutton on the multifunction
steering wheel.
The Park Assist Active Accelerate Park Assist Active Accelerate
and Brake and Brake Observe Surroundings
Observe Surroundings mes-
sage appears in the multifunction display.
X Let go of the multifunction steering wheel.
X Back up the vehicle, being ready to brake at
all times. When backing up, drive at a speed below approximately 6 mph (10 km/h).
Otherwise Active Parking Assist will be can-
celed.
Maneuvering may be required in tight park- ing spaces.
X Stop as soon as PARKTRONIC sounds the
continuous warning tone, if not before.
Maneuvering may be required in tight park- ing spaces.
The Park Assist Active Select D Park Assist Active Select D
Observe Observe Surroundings Surroundings message appears in
the multifunction display.
X Shift the transmission to position Dwhile
the vehicle is stationary.
Active Parking Assist immediately steers in
the other direction.
The Park Assist Active Accelerate Park Assist Active Accelerate
and Brake
and Brake Observe Surroundings
Observe Surroundings mes-
sage appears in the multifunction display.
i You will achieve the best results by wait-
ing for the steering procedure to complete before pulling away.
X Drive forwards and be ready to brake at all
times.
Maneuvering may be required in tight park-
ing spaces.
X Stop as soon as PARKTRONIC sounds the
continuous warning tone, if not before.
The Park Assist Active Select R Park Assist Active Select R
Observe
Observe Surroundings
Surroundings message appears in
the multifunction display. 170
Driving systemsDriving an
d parking

As soon as the parking procedure is com-
plete, the Park
ParkAssist
Assist Switched
Switched Off
Offmes-
sage appears and a warning tone sounds. The vehicle is now parked.
Active Parking Assist no longer supports you
with steering interventions and brake appli-
cations. When Active Parking Assist is fin-
ished, you must steer and brake again your-
self. PARKTRONIC is still available.
Parking tips:
R The way your vehicle is positioned in the
parking space after parking is dependent
on various factors. These include the posi-
tion and shape of the vehicles parked in
front and behind it and the conditions of the location. It may be the case that Active
Parking Assist guides you too far into a
parking space, or not far enough into it. In
some cases, it may also lead you across or
onto the curb. If necessary, you should can- cel the parking procedure with Active Park-ing Assist.
R You can also select preselect transmission
position D. The vehicle redirects and does
not drive as far into the parking space.
Should the transmission change take place
too early, the parking procedure will be
canceled. A sensible parking position can
no longer be achieved from this position.
Exiting a parking space In order that Active Parking Assist can sup-
port you when you exit the parking space:
R you need to have parked using Active Park-
ing Assist.
R the border of the parking space must be
high enough at the front and the rear. A
curb is too small, for example.
R the border of the parking space must not be
too wide, as the position of the vehicle must
not exceed an angle of 45° to the starting
position as it is maneuvering into the park-
ing space.
R a maneuvering distance of at least 3.3 ft
(1.0 m) must be available. Active Parking Assist can only assist you with
exiting a parking space if you have parked thevehicle parallel to the direction of travel using
Active Parking Assist.
X Start the engine.
X Release the electric parking brake.
X Switch on the turn signal in the direction
you are pulling away.
X Shift the transmission to position Dor R.
The Start Park Assist? Yes: OK No: Start Park Assist? Yes: OK No:
message appears in the multifunction dis-
play %.
X To cancel the procedure: press the%
button on the multifunction steering wheel
or pull away.
or X To exit a parking space using Active
Parking Assist: press theabutton on
the multifunction steering wheel.
The Park Assist Active Accelerate Park Assist Active Accelerate
and
and Brake
Brake Observe
Observe Surroundings
Surroundings mes-
sage appears in the multifunction display.
X Let go of the multifunction steering wheel.
X Pull away, being ready to brake at all times.
Do not exceed a maximum speed of
approximately 6 mph (10 km/h) when exit-
ing a parking space. Otherwise Active Park- ing Assist will be canceled.
X Stop when PARKTRONIC sounds the con-
tinuous warning tone, if not before.
X Depending on the message or as required,
shift the transmission to position Dor R.
Active Parking Assist immediately steers in the other direction. The Park Assist Park Assist
Active Accelerate and Brake
Active Accelerate and Brake
Observe Observe Surroundings
Surroundings message appears
in the multifunction display.
i You will achieve the best results by wait-
ing for the steering procedure to complete before pulling away.
If you back up after activation, the steeringwheel is moved to the straight-ahead posi-
tion. Driving systems
171Driving and parking Z