2015 MERCEDES-BENZ GLC SUV brake

If a lane-correcting brake application occurs,
display :appears in the multifunction dis-
play. The brake application also slightly
reduces driving speed.
This function is available in a speed range
between 60 km/h and 200 km/h.
A lane-correcting brake application can be
made after driving over a lane marking detec- ted as being solid or broken. Before this, a
warning must have been issued by means of
intermittent vibration through the steering
wheel. In addition, a lane with lane markings
on both sides must be detected.
In the case of a broken lane marking being
detected, a lane-correcting brake application
can only be made if a vehicle has been detec-
ted in the adjacent lane. Oncoming vehicles,
overtaking vehicles and vehicles in adjacent
lanes can be detected.
i A further lane-correcting brake applica-
tion can only occur after your vehicle has
returned to the original lane.
No lane-correcting brake application occurs
if: R you clearly and actively steer, brake or
accelerate
R you cut the corner on a sharp bend
R you have switched on the turn signal
R a driving safety system intervenes, such as
ESP ®
, PRE-SAFE ®
Brake or Active Blind
Spot Assist
R you have adopted a sporty driving style with
high cornering speeds or high rates of
acceleration R
ESP ®
is deactivated
R the transmission is not in position D
R on vehicles with a trailer tow hitch, the
electrical connection to the trailer has been
correctly established
R a loss of tyre pressure or a defective tyre
has been detected and displayed
R an obstacle in the lane in which you are
driving has been detected
Active Lane Keeping Assist may not detect
other road users or traffic situations. An inap- propriate brake application may be interrup-
ted at any time if:
R you steer slightly in the opposite direction
R you switch on the turn signal
R you clearly brake or accelerate
A lane-correcting brake application is inter-
rupted automatically if:
R a driving safety system intervenes, such as
ESP ®
, PRE-SAFE ®
Brake or Active Blind
Spot Assist
R lane markings are no longer detected
Activating/deactivating Active Lane
Keeping Assist X
To activate: press button ;.
Indicator lamp :lights up. The Lane Lane
Keeping Assist on
Keeping Assist on message appears in
the multifunction display. If all conditions
have been satisfied, a warning or steering
intervention may be made.
If you drive at speeds above 60 km/h and
lane markings are detected, the lines in the assistance graphic display (Y page 326) Driving systems
285Driving and parking Z

are shown in green. Active Lane Keeping
Assist is ready for use.
X To deactivate: press button;.
Indicator lamp :goes out. Active Lane
Keeping Assist is deactivated. The Lane
Lane
Keeping
Keeping Assist
Assistoff
offmessage appears in
the multifunction display.
Selecting Standard or Adaptive setting
X In the Assistance
Assistance menu on the on-board
computer, select the Active Lane Keep‐
Active Lane Keep‐
ing Assist
ing Assist function (Ypage 329).
X Select Standard
Standard orAdaptive
Adaptive.
When Standard
Standard is selected, no warning
vibration occurs if:
R you have switched on the turn signals. In
this event, the warnings are suppressed
for a certain period of time.
R a driving safety system intervenes, such
as ABS, BAS or ESP ®
.
When Adaptive
Adaptive is selected, no warning
vibration occurs if:
R you have switched on the turn signals. In
this event, the warnings are suppressed
for a certain period of time.
R a driving safety system intervenes, such
as ABS, BAS or ESP ®
.
R you accelerate hard, e.g. kickdown.
R you brake hard.
R you steer actively, e.g. swerve to avoid an
obstacle or change lane quickly.
R you cut the corner on a sharp bend.
In order that you are warned only when nec-
essary and in good time if you cross the lane marking, the system detects certain condi-
tions and warns you accordingly.
The warning vibration occurs earlier if:
R you approach the outer lane marking on a
bend
R the road has very wide lanes, e.g. a motor-
way
R the system detects solid lane markings The warning vibration occurs later if:
R the road has narrow lanes
R you cut the corner on a bend
Towing a trailer
If you couple up a trailer, make sure that you have correctly established the electrical con- nection. This can be accomplished by check-
ing the trailer lighting. PLUG
‑IN HYBRID operation Points to remember
General notes Hybrid technology combines a fuel efficient
internal combustion engine with a powerful
electric motor. In HYBRIDmode, the hybrid
drive system automatically selects the most
efficient operating mode for every driving sit-
uation. Drive the vehicle in the usual manner.
To save fuel in HYBRIDmode, the hybrid drive
system switches off the combustion engine
as often as possible during the journey when power output requirements are low. When
power output requirements are low, the elec-
tric motor powers the vehicle. When power
output requirements are high, the combus-
tion engine is automatically switched on.
When the vehicle is stationary, the combus-
tion engine is usually switched off. Conse-
quently, there is usually no engine idling as
with combustion engine vehicles.
For pulling away and accelerating, the electric
motor supports the internal combustion
engine using the power stored in the high-
voltage battery. In addition, the power is used
for partially electric driving, operation of the
electric coolant compressor and to support
the 12 V on-board electrical system. In this
way the hybrid drive helps to reduce your
vehicle's fuel consumption.
Observe the driving tips on plug-in hybrid
operation (Y page 297).286
PLUG‑
IN HYBRID operationDriving and parking

Recuperative Brake System
If you release the accelerator pedal when the
vehicle is in motion, overrun recuperation is
initiated. The electric motor is operated as a
alternator when in overrun mode and when
you brake. Hybrid technology converts the
kinetic energy of the vehicle into electricity
and stores it in the high-voltage battery.
Observe the important safety notes for the
Recuperative Brake System (Y page 46).Important safety notes
If the engine is switched off by the ECO start/
stop function and you open the driver's door:
R a message appears in the multifunction dis-
play and
R a warning tone sounds
For further information, see (Y page 357).
All of the vehicle's systems remain active, if:
R the vehicle is stationary
R the combustion engine is switched off
R the READY-indicator in the instrument clus-
ter is lit
If you remove your foot from the brake pedal
while in transmission position D or R, the
vehicle could pull away automatically.
Observe the notes on the READY display of
the ECO start/stop function (Y page 298).
Vehicles with an electric motor generate sig-
nificantly less noise than vehicles with inter-
nal combustion engines. As a result, your
vehicle may not be heard by other road users
in certain situations. This is the case, for
example, when you are parking and your vehi-
cle is not seen by other road users.
This requires you to adopt a particularly antic-
ipatory driving style, as it is necessary to allow for the possibility that other road users may
behave unpredictably. PLUG‑IN HYBRID operation
287Driving and parking Z

Hybrid system overview
:
Charger
; Voltage transformer
= Transmission with electric motor
? Electric heater
A High-voltage battery
B Power electronics
C High-voltage electrical system cables
D Recuperative Brake System
E 12 V battery
F Vehicle socket
You can switch off the hybrid drive system manually. Further information on the high-voltage disconnect device (Y page 44).288
PLUG‑IN HYBRID operationDriving and parking

Instrument cluster
:
Electric range
; Driving mode display (Y page 290)
= Recuperative Brake System warning lamp (Y page 377)
? Electric motor power display (Y page 289)Displays and operation
Electric motor power display The electric motor power display is on the
right-hand side of the instrument cluster.
R Area :to; (E-DRIVE):
This shows the electric output from the
electric motor, e.g. during electric opera-
tion or in boost mode.
When the motor is switched on, the display
is at limit :. With increasing pressure on the accelerator pedal the display fills up
from
:to;.
Driving with the electric motor: when the
display reaches limit ;, the combustion
engine is switched on. If the display is
approaching limit ;and you remove your
foot from the accelerator pedal, the display
empties again. The combustion engine is
not switched on. At low speeds, you can
thereby control the electric operation
usage so that you only drive in electric
mode.
Driving with the combustion engine: the
electric motor supports the combustion
engine by providing additional torque
(boost mode) until the display reaches
limit ;.
You can also select the operating mode of
the hybrid drive system (Y page 290).
R Area =to? (CHARGE):
This shows the recuperated energy which is stored in the high-voltage battery as elec-
trical energy. PLUG
‑IN HYBRID operation
289Driving and parking Z

When the display reaches limit
?, the max-
imum recuperative braking power has been exhausted. The mechanical brakes are acti-
vated.
Selecting the operating mode Button
:allows you to choose between dif-
ferent operating modes.
X Press button :to change the operating
mode.
The operating mode selected appears in
the instrument cluster (Y page 289).
If it is not possible to change operating
modes, the display message Change
Change the the
current drive program before
current drive program before
changing changing the
theoperating
operating mode
modeorExit
Exit
manual drive program M before
manual drive program M before
changing the operating mode changing the operating mode appears
in the multifunction display. Further infor-
mation on "Display messages"
(Y page 357). :
Operating mode selected
; Operating mode unavailable
= Operating mode available HYBRID R
Electric operation mode
or driving with the inter- nal combustion engine
is possible
R Automatic selection of
drive mode with electric
operation mode as
often as possible
R The high-voltage battery
is discharged to approx-imately 20%
R To subsequently main-
tain the charge status of
the high-voltage bat-
tery, the electric output
is reduced. All vehicle
functions such as elec-
tric operation mode,
energy recuperation or
boost mode, for exam-
ple, are still available. E-MODE R
Electric-only operation
mode
R Electrical power output
allotted using the haptic
accelerator pedal
(Y page 297)
R Internal combustion
engine activation using
the haptic accelerator
pedal 290
PLUG‑IN HYBRID operationDriving and parking

Displaying fuel consumption and gen-
erated electrical energy :
Fuel consumption
; Electrical energy generated
Every bar of the graph displays the average
value for one minute.
Fuel consumption indicator :may differ
from the indicator in the From start From starttrip
computer in the Trip
Trip menu.
To reset the values: the values are reset
along with the From start
From starttrip computer
(Y page 319).
X To select Consumption
Consumption: turn and press the
controller.
The Audio 20 or COMAND Online display
shows fuel consumption :and electrical
energy generated ;for the last
15 minutes driven. Starting the vehicle
The vehicle starts in electric mode without the
internal combustion engine (noiseless start).
The internal combustion engine starts only
after the power demanded by the driver
exceeds the available power that the electric
motor can currently provide.
Noiseless start operation is dependent on the
outside temperature and the operating tem-
perature of the internal combustion engine. If
not all conditions for noiseless start operation are fulfilled, the vehicle starts with the inter-
nal combustion engine. X
Switch the ignition on.
X Depress the brake pedal.
X Follow the starting instructions
(Y page 189).
X Start the vehicle (Y page 189).
The vehicle is operational when READY indi-
cator :lights up. Pulling away
X Depress the brake pedal and keep it
depressed.
X Shift the transmission to position Dor R.
X If the Apply brake to deselect Park
Apply brake to deselect Park
(P) (P) position
position display message appears in
the multifunction display, depress the
brake pedal more firmly and select the
desired transmission position.
X Release the brake pedal.
X Carefully depress the accelerator pedal.
For further information on pulling away
(Y page 190). Driving
DYNAMIC SELECT switch Drive programs
Use the DYNAMIC SELECT switch to change
the drive program. Depending on the drive
program selected, the following vehicle char-
acteristics will change:
R the drive (engine and transmission man-
agement)
R the suspension
R the steering PLUG
‑IN HYBRID ope ration
295Driving an d parking Z

rily. The selected gear and
Mappear in the
multifunction display.
Activating when driving with the combustion
engine:
X Pull the left or right steering wheel gearshift
paddle (Y page 201).
Manual gearshifting is activated tempora-
rily. The selected gear and Mappear in the
multifunction display.
The ECO start/stop function is not available
when manually changing gear.
Further information on the manual drive pro-
gram (Y page 201).
Haptic accelerator pedal General notes
The haptic accelerator pedal helps you to
reduce the fuel consumption and emissions
of your vehicle.
There are two different functions available for
this purpose:
R an additional point of resistance in E-MODE
operating mode (Y page 290)
R a double pulse in drive program E
(Y page 295)
Additional point of resistance in the hap-
tic accelerator pedal
The maximum available electric performance
is indicated by a tangible point of resistance
in the haptic accelerator pedal.
The additional point of resistance is available in E-MODE operating mode (Y page 290).
If you depress the haptic accelerator pedal
beyond the pressure point, the combustion
engine is switched on.
Double pulses in the haptic accelerator
pedal
A noticeable double pulse in the haptic accel-
erator pedal is a recommendation that you
should release the accelerator pedal. By this
means, in HYBRID,E-MODE orE-SAVE oper-
ating mode the combustion engine can be switched off and disconnected from the
power train (overrun mode).
The double pulse is available in drive program
E (Y page 295).
After the accelerator pedal has been
released, the coasting characteristics of the
vehicle are adapted to the traffic conditions
To avoid getting too close to the vehicle in
front, you must apply the brakes manually
when necessary.
Driving tips General driving tips
Drive carefully and maintain a suitable dis-
tance from the vehicle in front. Avoid frequent
and sudden acceleration as well as abrupt
braking.
During partial electric drive, pulling away and acceleration, the electric motor supports the internal combustion engine.
During overrun in transmission position Dand
braking, the electric motor operates as an
alternator.
Further information on the ECO start/stop
function (Y page 298).
Additional driving tips (Y page 222).
Stationary vehicle
If the vehicle is stopped, the combustion
engine is, for the most part, switched off.
Automatic climate control continues to func-
tion. The electro-mechanically assisted steer-
ing gear allows use of the power steering
without loss of comfort.
Acceleration
Depending on the operating mode, pulling
away and driving under low load conditions
are performed:
R entirely by electric propulsion
R in combination with the internal combus-
tion engine
When accelerating at an increased or full
load, boost mode is utilised. The electric
motor supports the internal combustion PLUG‑IN HYBRID operation
297Driving and parking Z