cruise control MERCEDES-BENZ GL 2014 User Guide

Activating DISTRONIC PLUS
Activation conditions
In order to activate DISTRONIC PLUS, the
following conditions must be fulfilled:
Rthe engine must be started. It may take up
to two minutes after pulling away before
DISTRONIC PLUS is operational.
Rthe electric parking brake must be
released.
RESP®must be active, but not intervening.
Rthe transmission must be in positionD.
Rthe driver's door must be closed when you
shift fromPtoDor your seat belt must be
fastened.
Rthe front-passenger door and rear doors
must be closed.
Roff-road program 2 must be deactivated
(vehicles with the ON&OFFROAD package).
RDSR must be deactivated.
Rthe vehicle must not skid.
Activating
XBriefly pull the cruise control lever towards
youDor press it upCor down

or brake unexpectedly. There is a risk of an
accident.
Pay attention to the road and traffic
conditions before calling up the stored speed.
If you do not know the stored speed, store the
desired speed again.
XBriefly pull the cruise control lever towards
youC.
XRemove your foot from the accelerator
pedal.
DISTRONIC PLUS is activated. The first
time it is activated, the current speed is
stored. Otherwise, it sets the vehicle cruise
speed to the previously stored value.
Driving with DISTRONIC PLUS
Pulling away and driving
XIf you want to pull away with
DISTRONIC PLUS:remove your foot from
the brake pedal.
XBriefly pull the cruise control lever towards
youDor press it upCor down

Stopping
GWARNING
When leaving the vehicle, even if it is braked
only by DISTRONIC PLUS, it could roll away if:
Rthere is a malfunction in the system or in
the voltage supply.
RDISTRONIC PLUS has been deactivated
with the cruise control lever, e.g. by a
vehicle occupant or from outside the
vehicle.
Rthe electrical system in the engine
compartment, the battery or the fuses have
been tampered with.
Rthe battery is disconnected.
Rthe 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.
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
stationary and you do not need to depress the
brake.
After a time, the electric parking brake
secures the vehicle and relieves the service
brake.
Depending on the specified minimum
distance, 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.
The electric parking brake automatically
secures the vehicle if DISTRONIC PLUS is
activated and:
Rthe driver's door is open and the driver's
seat belt is unfastened.
Rthe engine is switched off, unless it is
automatically switched off by the ECO
start/stop function.
Ra system malfunction occurs.
Rthe power supply is not sufficient.
On steep uphill or downhill inclines or if there
is a malfunction, the transmission may also
automatically be shifted into positionP.
Setting a speed
Keep in mind that it may take a brief moment
until the vehicle has accelerated or braked to
the speed set.
XPress the cruise control lever upCfor a
higher speed or downDfor a lower speed.
XTo adjust the set speed in 1 mph
increments (1 km/h increments):briefly
press the cruise control lever upCor
downDto the pressure point.
Every time the cruise control lever is
pressed upCor downDthe last speed
stored is increased or reduced.
XTo adjust the set speed in 5 mph
increments (10 km/h increments):
briefly press the cruise control lever
upCor downDto the pressure point.
Every time the cruise control lever is
pressed upCor downD, the last speed
stored is increased or reduced.
iIf you accelerate to overtake, DISTRONIC
PLUS adjusts the vehicle's speed to the last
speed stored after you have finished
overtaking.
208Driving systems
Driving and parking

XTo increase or decrease in 1 mph
increments (Canada: 1 km/h
increments):briefly press the cruise
control lever upCfor a higher set speed
or downDfor a lower set speed.
The set speed appears in the multifunction
display with the

When towing a trailer, your vehicle's handling
characteristics will be different in comparison
with when driving without a trailer.
The vehicle/trailer combination:
Ris heavier
Ris restricted in its acceleration and
gradient-climbing capability
Rhas an increased braking distance
Ris affected more by strong crosswinds
Rdemands more sensitive steering
Rhas a larger turning radius
This could impair the handling
characteristics.
When towing a trailer, always adjust your
speed to the current road and weather
conditions. Do not exceed the maximum
permissible speed for your vehicle/trailer
combination.
Notes on towing a trailer
General notes
RDo not exceed the legally prescribed
maximum speed for vehicle/trailer
combinations in the relevant country.
This lowers the risk of an accident.
ROnly install an approved trailer coupling on
your vehicle.
Further information on availability and on
installation is available from any authorized
Mercedes-Benz Center.
RThe bumpers of your vehicle are not
suitable for installing detachable trailer
couplings.
RDo not install hired trailer couplings or
other detachable trailer couplings on the
bumpers of your vehicle.
RIf you no longer need the ball coupling,
remove it from the ball coupling recess.
This will reduce the risk of damage to the
ball coupling.
iWhen towing a trailer, set the tire
pressure on the rear axle of the towing
vehicle for a maximum load; see the tire
pressure table in the fuel filler flap
(Ypage 425).
Please note that when towing a trailer,
PARKTRONIC (Ypage 222) and Blind Spot
Assist (Ypage 243) are only available with
limitations, or not at all.
You will find installing dimensions and loads
under "Technical data" (Ypage 456).
Driving tips
iObserve the information on ESP®trailer
stabilization (Ypage 74) and on pulling
away with a trailer (Ypage 170).
The maximum permissible speed for vehicle/
trailer combinations depends on the type of
trailer. Before beginning the journey, check
the trailer's documents to see what the
maximum permissible speed is. Observe the
legally prescribed maximum speed in the
relevant country.
For certain Mercedes-Benz vehicles, the
maximum permissible rear axle load is
increased when towing a trailer. See
"Technical data" to find out whether this
applies to your vehicle (Ypage 457). If you
utilize any of the added maximum rear axle
load when towing a trailer, the vehicle/trailer
combination may not exceed a maximum
speed of 60 mph (100 km/h) for reasons
concerning the operating permit. This also
applies in countries in which the permissible
maximum speed for vehicle/trailer
combinations is above 60 mph (100 km/h).
When towing a trailer, your vehicle's handling
characteristics will be different in comparison
with when driving without a trailer.
Use the left-hand paddle shifter to shift into
a lower gear in good time on long and steep
downhill gradients.
iThis also applies if you have activated
cruise control or DISTRONIC PLUS.
This will use the braking effect of the engine,
so that less braking will be required to
maintain the speed. This relieves the load on
264Towing a trailer
Driving and parking

If the coolant temperature is over
248 ‡(120 †), do not continue driving. The
engine will otherwise be damaged.
The coolant temperature gauge is in the
instrument cluster on the right-hand side
(Ypage 33).
Under normal operating conditions and with
the specified coolant level, the coolant
temperature may rise to 248 ‡ (120 †).
Tachometer
!Do not drive in the overrevving range, as
this could damage the engine.
The red band in the tachometer indicates the
engine's overrevving range.
The fuel supply is interrupted to protect the
engine when the red band is reached.
Outside temperature display
You should pay special attention to road
conditions when temperatures are around
freezing point.
The outside temperature display is in the
multifunction display (Ypage 274).
Changes in the outside temperature are
displayed after a short delay.
Speedometer with segments
The segments in the speedometer indicate
which speed range is available.
RCruise control activated (Ypage 201):
The segments light up from the stored
speed to the maximum speed.
RDISTRONIC PLUS activated (Ypage 203):
One or two segments in the set speed
range light up.
RDISTRONIC PLUS detects a vehicle in front:
The segments between the speed of the
vehicle in front and the stored speed light
up.
Operating the on-board computer
Overview
CMultifunction display
DSwitches on the Voice Control System;
see the separate operating instructions

The selected unit of measurement for
distance applies to:
RDigital speedometer in theTripTripmenu
ROdometer and the trip odometer
RTrip computer
RCurrent consumption and the range
RNavigation instructions in theNaviNavimenu
RCruise control
RDISTRONIC PLUS
RASSYST PLUS service interval display
Selecting the permanent display function
You can determine whether the multifunction
display permanently shows your speed or the
outside temperature.
XPress theYorebutton on the
steering wheel to select theSettSettmenu.
XPress thedorcbutton to select the
Instrument ClusterInstrument Clustersubmenu.
XPressvto confirm.
XPress thedorcbutton to select the
Permanent Display:Permanent Display:function.
You will see the selected settingOutsideOutside
TemperatureTemperatureorAdditionalAdditional
Speedometer [km/h]Speedometer [km/h](USA)/
Additional Speedometer [mph]Additional Speedometer [mph]
(Canada).
XPress thevbutton to save the setting.
iThe speed is shown in km/h (USA)/mph
(Canada).
Light submenu
Setting the daytime running lamps
iThis function is not available in Canada.
XPress theYorebutton on the
steering wheel to select theSett.Sett.menu.
XPress thedorcbutton to select the
LightLightsubmenu.
XPressvto confirm.
XPressdorcto select theDaytimeDaytime
Running LightsRunning Lightsfunction.
If theDaytime Running LightsDaytime Running Lightsfunction
has been switched on, the cone of light and
the

Display messagesPossible causes/consequences andPPSolutions
Cruise ControlCruise Control
InoperativeInoperative
Cruise control is defective.
XVisit a qualified specialist workshop.
Cruise ControlCruise Control
--- mph--- mph
A condition for activating cruise control has not been fulfilled.
You have tried to store a speed below 20 mph (30 km/h), for
example.
XIf conditions permit, drive faster than 20 mph (30 km/h) and
store the speed.
XCheck the activation conditions for cruise control
(Ypage 201).
Displaymessages317
On-b oard computer and displays
Z