2016 MERCEDES-BENZ GLC-Class ESP

cleaned, remove the ball coupling. The trailer
tow hitch must then not be used to tow a
trailer, as safe operation cannot be guaran-
teed.
Have the entire trailer tow hitch checked at a
qualified specialist workshop.
Coupling up a trailer
!
Do not connect the trailer's brake system
(if featured) to the hydraulic brake system
of the towing vehicle, as the latter is equip-
ped with an anti-lock brake system. Doing
so will result in a loss of function of the
brake systems of both the vehicle and the
trailer.
XShift the transmission to position P.
XApply the vehicle's electric parking brake.
XStart the engine.
XVehicles with AIR BODY CONTROL:
selectComfort driving program or Trailer
off-road program.
XSwitch off the engine.
XClose the doors and tailgate.
XCouple up the trailer.
XEstablish the electrical connection
between the vehicle and the trailer.
XCheck that the trailer lighting system is
working.
XPush the combination switch upwards/
downwards and check whether the corre-
sponding turn signal on the trailer flashes.
A trailer that is connected is recognized only
when the electrical connection is established
correctly and when the lighting system is
working properly. The function of other sys-
tems also depends on this, for example:
RESP®
RPARKTRONIC
RActive Parking Assist
RActive Blind Spot Assist
RActive Lane Keeping Assist
iVehicles with AIR BODY CONTROL: if you
couple up a trailer, the vehicle always
remains at highway level. When coupling up
a trailer, please observe the following:
RUnless highway level has been set man-
ually, the vehicle is automatically low-
ered to highway level. This is the case if a
speed of 5 mph (8 km/h) is reached.
These restrictions apply to all accessories
powered through a connection to the trailer
power socket of your vehicle, e.g. a bicycle
carrier.
Observe the maximum permissible trailer
dimensions (width and length).
Most U.S. states and all Canadian provinces
require by law:
RSafety chains between the towing vehicle
and the trailer. The chains should be cross-
wound under the trailer drawbar. They must
be fastened to the vehicle's trailer cou-
pling, not to the bumper or the axle.
Leave enough play in the chains to make
tight cornering possible.
RA separate brake system for certain types
of trailer.
RSafety switch for braked trailers. Check the specific legal requirements applicable to
your state.
If the trailer becomes detached from the
towing vehicle, the safety switch applies
the trailer brakes.
Towing a trailer
There are numerous legal requirements con-
cerning the towing of a trailer, e.g. speed
restrictions. Make sure that your car/trailer
combination complies with the local regula-
tions:
Rin your place of residence
Rin the location to which you are driving
The police and local authorities can provide
reliable information.
232Towing a trailer
Driving and parking

XMake sure that the automatic transmissionis set to position P.
XApply the vehicle's parking brake.
XClose all doors and the tailgate.
XApply the trailer's parking brake.
XRemove the trailer cable and decouple the
trailer.
Removing the ball coupling
XRemove the spring cotter.
XRemove the bolt from the ball coupling
recess.
XRemove the ball coupling from the ball cou-
pling recess.
XClean the ball coupling if it is dirty.
XStow the ball coupling so that it cannot be
thrown around.
Observe the loading guidelines (
Ypage 306)
and the safety notes regarding stowage
spaces (
Ypage 306).
Information on cleaning and care of the trailer
tow hitch (
Ypage 349).
Trailer power supply
The trailer socket of your vehicle is equipped
at the factory with a permanent power supply.
The permanent power supply is supplied via
trailer socket pin 4.
!Accessories with a maximum power con-
sumption of 180 W can be connected to the
permanent power supply.
You must not charge a trailer battery using
the power supply.
The trailer's permanent power supply is
switched off in the event of low vehicle supply
voltage and after six hours at the latest.
A qualified specialist workshop can provide
more information about installing the trailer
electrics.
Permissible trailer loads and trailer
drawbar noseweights
Weight specifications
The gross trailer weight is calculated by add-
ing the weight of the trailer to the weight of
the load and equipment on the trailer.
You will find installing dimensions and loads
under "Technical data" (
Ypage 415).
Loading a trailer
RWhen loading the trailer, make sure that
neither the permissible gross weight of the
trailer nor the gross vehicle weight is
exceeded. The permissible gross vehicle
weight is indicated on the identification
plate on the B-pillar on the driver's side of
the vehicle.
You can find the maximum permissible val-
ues on the type plates of your vehicle and
the trailer. When calculating how much
weight the vehicle and trailer may carry,
pay attention to the respective lowest val-
ues.
RThe trailer drawbar load on the ball coupling
must be added to the rear axle load to avoid
exceeding the permissible gross axle
weight. The permissible gross vehicle
weight is indicated on the identification
plate on the B-pillar on the driver's side of
the vehicle.
iMercedes-Benz recommends a trailer
load where the trailer drawbar noseweight
accounts for 8% to 15% of the trailer's per-
missible gross weight.
iThe weight of other accessories, passen-
gers and loads reduces:
Rthe permissible trailer load
Rthe permissible noseweight that your
vehicle can tow
234Towing a trailer
Driving and parking

RDisc (CD/DVD) (DVD COMAND only)
RSD card
RMedia Register (COMAND)
RUSB storage device
RBluetooth®capable audio device
Please observe further information on media
support and media operation in the separate
Audio 20 or COMAND operating instructions.
Operating an audio player or audio
media
:Media source, e.g. name of USB memory
stick
;Current title
=Name of artist
?Name of album
AFolder name
Audio data from various audio devices or
media can be played, depending on the equip-
ment installed in the vehicle.
XSwitch on Audio 20 or COMAND, see the
separate operating instructions.
XPress the òbutton on the steering
wheel to open the menu list.
XPress :or9 on the steering wheel
to select the Media
menu.
XConfirm by pressing aon the steering
wheel.
XTo select an audio player or media: press
a briefly. The list containing the media
sources appears.
XPress :or9 to select the corre-
sponding audio player or media.
XPress ato confirm.
XTo open the track list: press:or9
briefly.
XTo select to next or previous track in
the track list: press:or9 briefly.
XTo select a track in the track list using
rapid scroll: press and hold :or9
until you reach the desired track.
If you press and hold the button, the speed
of rapid scroll increases after a short time.
Not all audio drives or data carriers support
this function.
If the corresponding track information is
stored on the audio drive or audio media, the
multifunction display may display the follow-
ing:
Rtrack number
Rtrack name
Rartist
Ralbum
The track information does not appear in
audio AUX mode ( Auxiliary audio mode:
external audio source connected).
Video DVD operation
XSwitch on Audio 20 or COMAND, see the
separate operating instructions.
XPress the òbutton on the steering
wheel to open the menu list.
XPress :or9 on the steering wheel
to select the Media
menu.
XConfirm by pressing aon the steering
wheel.
Menus and submenus249
On-board computer and displays
Z

XConfirmbypressing aon the steering
wheel.
XUse : or9 to select the DriveAs‐
sistsubmenu.
XPressato confirm.
XPress :or9 to select Lane Keep‐
ing Assist.
XPressato confirm.
The current selection, Standard
orAdap‐
tive, appears.
XTo change the setting: pressaagain.
For further information about Lane Keeping
Assist, see (
Ypage 220).
For further information about Active Lane
Keepin g Assist, see (
Ypage 225).
Head-up display submenu
Selecting other displays
:Vehicle speed display
;Vehiclespeed and navigation instruction
disp lay
=Vehicle speed display and Traffic Sign
Assist
Using the Display Content
function, you
can choose between four standard displays,
depe nding on your vehicle's equipment. The
selected contents then appear inthe head-up
disp lay.
XPress the òbutton on the steering
wheel to open the menu list.
XPress :or9 on the steering wheel
to select the Settings
menu.
XConfirmbypressing aon the steering
wheel.
XPress :or9 to select the Head-up
Displaysubmenu.
XPressato confirm.
XPress :or9 to select Display
Content.
XPressato confirm.
A graphic selection listappears.
XPress :or9 to select the desired
display.
XPress the abutton to confirm the selec-
tion.
Ad ditional information on navigation can be
found inthe separate Aud io20 or COMAND
operating instructions.
Setting the positi on
You can adjust the position of the head-up
display on the windshield. You can compen-
sate for height differences ifthe seat posi-
tions are changed, for example.
XSwit ch on the head-up display
(
Ypage 242).
XPress the òbutton on the steering
wheel to open the menu list.
XPress the :or9 button on the steer-
ing wheel to select the Settings
menu.
XConfirmbypressing aon the steering
wheel.
XUse : or9 to select the Head-up
Displaysubmenu.
XPressato confirm.
XUsing :or9, select the Position
function.
XPress theabutton to save the setting.
XPress the :or9 button to adjust the
position to a level from Level
+5toLevel
-5.
XPress the aor% button to save the
setting.
Using the Memory function, you can save and
call up the set position of the head-up display
as a single memory preset (
Ypage 121).
254Menus and submenus
On-board computer and displays

Display messages
Introduction
General notes
Display message sappear in th emultifunction display.
Display message swit hgraphi cdisplays may be shown in simplified form in th eOperator's
Manual and may therefore diffe rfrom th emultifunction display.
Please respon din accordance wit hth edisplay message sand follow th eadditional note sin this
Operator's Manual.
Wit hcertain display messages, you will also hear awarnin gtone .
You can hide th edisplay messages. The display message sare then stored in th emessage
memory. Rectify th ecaus eof adisplay message as soo nas possible.
Whe nyou stop and par kth evehicle, pleas eobserv eth enote son :
RHOLD function (Ypage 194)
RParking(Ypage 172)
Hiding display messages
XPress th ea or% buttonon th esteerin gwheel.
The multifunction display hide sth edisplay message .
High-priorit ydisplay message sare shown in red in th emultifunction display. Some high-pri -
orit ydisplay message scanno tbe hidden .
The multifunction display shows these message scontinuously until th ecauses fo rth emes -
sage shav ebeen remedied.
Message memory
The on-boar dcompute rsaves certain display message sin th emessage memory .You can cal l
up th edisplay messages:
XPress th eò buttonon th esteerin gwhee lto ope nth emen ulist .
XPress :or9 on thesteerin gwhee lto selec tth eServic emenu.
XConfirmby pressing aon thesteerin gwheel.
XPress th e: or9 buttonto selec tth emessage memory.
If there are no display messages, th eNo Messages
display appears in th emultifunction
display.
Whe nthere are display messages, th enumber of stored message sappears .
XPressato confirm .
XPress the: or9 buttonto scroll through th edisplay messages.
Display messages25 7
On-board computer and displays
Z

Safety systems
Display messagesPossible causes/consequences andMSolutions
!÷
Currently Unavail‐
able See Opera‐
tor's Manual
ABS (Anti-lock Brake System), ESP®(Electronic Stability Program),
BAS (Brake Assist), PRE‑ SAFE®, HOLD function, Crosswind Assist,
hill start assist, STEER CONTROL, Active Lane Keeping Assist and
Active Blind Spot Assist are temporarily unavailable.
BAS PLUS with Cross-Traffic Assist, PRE‑SAFE
®Brake, PRE‑ SAFE®
PLUS and COLLISION PREVENTION ASSIST PLUS may also have
failed.
In addition, the ÷and! warning lamps light up in the
instrument cluster.
ATTENTION ASSIST is deactivated.
For example, the on-board voltage may be insufficient.
GWARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely affec-
ted. The braking distance in an emergency braking situation can
increase.
If ESP
®is not operational, ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XDrive on carefully.
Carefully drive a suitable distance, making slight steering move-
ments at a speed above 12 mph (20 km/h).
If the display message disappears, the functions mentioned
above are available again.
If the multifunction display still shows the display message:
XDrive on carefully.
XVisit a qualified specialist workshop immediately.
!÷
Inoperative See
Operator's Manual
ABS, ESP®, BAS, PRE‑SAFE®, HOLD function, Crosswind Assist,
hill start assist, STEER CONTROL, Active Lane Keeping Assist and Active Blind Spot Assist are unavailable due to a malfunction.
BAS PLUS with Cross-Traffic Assist, PRE‑ SAFE
®Brake, PRE‑SAFE®
PLUS and COLLISION PREVENTION ASSIST PLUS may also have
failed.
The$ (USA only) or J(Canada only), ÷and! warn-
ing lamps in the instrument cluster may also light up.
ATTENTION ASSIST is deactivated.
GWARNING
258Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
The brakesystem continues to function normally, but without th e
function slisted above. The wheels could therefore loc kif you
brak ehard, fo rexample.
The steerabilit yand brakin gcharacteristics may be severely affec -
ted. The brakin gdistanc ein an emergenc ybrakin gsituation can
increase .
If ES P
®is no toperational, ES P®is unable to stabiliz eth evehicle.
There is an increase dris kof skiddin gand an accident.
XDrive on carefully.
XVisit aqualified specialist workshop immediately.
÷
Inoperative See
Operator' sManual
ES P®,BAS, PRE ‑SAFE®, HOLD function ,Crosswin dAssist, hill
start assist ,STEE RCONTROL ,Active Lan eKeepin gAssis tand
Active Blind Spot Assis tare unavailable due to amalfunction .
BA SPLU Swit hCross-Traffic Assist, PRE ‑SAFE
®Brake ,PRE ‑S AF E®
PLU Sand COLLISION PREVENTION ASSIST PLU Smay also hav e
failed.
The ÷ warnin glamp also lights up in th einstrumen tcluster.
ATTENTION ASSIST is deactivated.
GWARNIN G
The brakesystem continues to function normally, but without th e
function slisted above.
The brakin gdistanc ein an emergenc ybrakin gsituation can thus
increase .
If ES P
®is no toperational, ES P®is unable to stabiliz eth evehicle.
There is an increase dris kof skiddin gand an accident.
XDrive on carefully.
XVisit aqualified specialist workshop immediately.
Display messages25 9
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
÷
Currently Unavail‐
ableSee Opera‐
tor's Manual
ES P®,BAS, PRE ‑SAFE®, HOLD function ,Crosswin dAssist, hill
start assist ,STEE RCONTROL ,Active Lan eKeepin gAssis tand
Active Blind Spot Assis tare unavailable due to amalfunction .
BA SPLU Swit hCross-Traffic Assist, PRE ‑SAFE
®Brake ,PRE ‑S AF E®
PLU Sand COLLISION PREVENTION ASSIST PLU Smay also hav e
failed.
The ÷ warnin glamp also lights up in th einstrumen tcluster.
The self-diagnosi sfunction might no tbe complete, fo rexample.
ATTENTION ASSIST is deactivated.
GWARNIN G
The brakesystem continues to function normally, but without th e
function slisted above. The wheels could therefore loc kif you
brak ehard, fo rexample.
The brakin gdistanc ein an emergenc ybrakin gsituation can thus
increase .
If ES P
®is no toperational, ES P®is unable to stabiliz eth evehicle.
There is an increase dris kof skiddin gand an accident.
XCarefull ydrive asuitable distance, makin gslight steerin gmove-
ments at aspeed abov e12 mph (20 km/h).
If th edisplay message disappears, th efunction smentioned
abov eare available again .
If th emultifunction display still shows th edisplay message :
XDrive on carefully.
XVisitaqualified specialist workshop immediately.
260Display messages
On-board computer and displays