2016 MERCEDES-BENZ GLC-Class air condition

Display messagesPossible causes/consequences andMSolutions
DTR+: Steering
Assist.Currently
Unavailable See
Operator' sManual
Steerin gAssis tand Stop&Go Pilo tare temporarily inoperative.
Possibl ecauses are:
Rth ewindshield in th ecamera' sfield of vision is dirty.
Rvisibility is impaire ddue to heav yrain ,snow or fog.
Rthere are no lan emarking sfo r a longer period.
Rthelan emarking sare worn, dark or covered, e.g. by dir tor snow.
Whe nth ecauses state dabov eno longer apply, th edisplay mes -
sage disappears.
Steerin gAssis tand Stop&Go Pilo tare operative again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 172).
XClean th ewindshield.
DTR+: Steering
Assist .Inopera‐
tiv e
Steerin gAssis tand Stop&Go Pilo tare faulty.
However, th eDISTRONIC PLU Sfunction sare still available.
A warnin gtone also sounds.
XVisit aqualified specialist workshop .
Cruise Control
Inoperative
Cruisecontrol is malfunctioning.
A warnin gtone also sounds.
XVisit aqualified specialist workshop .
Cruise Control
- - -mph
Acondition fo ractivatin gcruise control has no tbeen fulfilled .
You hav etried to store aspeed belo w20 mph (30 km/h )or ES P
®
is switched off, fo rexample.
If ES P
®is switched off, th eyello wES P®OF Fwarnin glamp lights up
(
Ypage 297).
XIf condition spermit ,drive faste rthan 20 mph (30 km/h) and
store th espeed.
or
XReactivat eES P®(Ypage 74) .
The yello wES P®OF Fwarnin glamp goe sout .
or
XChec kth eactivation condition sfo rcruise control (Ypage 181).
284Display messages
On-board computer and displays

Tires
Display messagesPossible causes/consequences andMSolutions
Please Correct
Tire Pressure
The tire pressure is too low in at least one of the tires, or the tire
pressure difference between the wheels is too great.
XCheck the tire pressures at the next opportunity (Ypage 381).
XIf necessary, correct the tire pressure.
XRestart the tire pressure monitor (Ypage 383).
Check TiresThe tire pressure in one or more tires has dropped significantly.
The wheel position is displayed in the multifunction display.
A warning tone also sounds.
GWARNING
Tire pressures that are too low pose the following hazards:
Rthey may burst, especially as the load and vehicle speed
increase.
Rthey may wear excessively and/or unevenly, which may greatly
impair tire traction.
Rthe driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 172).
XCheck the tires and, if necessary, follow the instructions for a
flat tire (
Ypage 356).
XCheck the tire pressure (Ypage 381).
XIf necessary, correct the tire pressure.
Displa y messages285
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
Reversing Not Pos‐
sible Service
Required
You cannotshift into th etransmissio nposition Rdue to amal-
function .
The transmissio nposition sP, Nor Dcontinue to be available.
A warnin gtone also sounds.
XVisit aqualified specialist workshop .
Transmission Mal‐
function Stop
Amalfunction has occurred in th emechanica ltransmissio ncom-
ponents .
A warnin gtone also sounds. The gearbox automatically shift sto
position N.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XShift th etransmissio nto position P.
XSecureth evehicl eagainst rollin gaway (Ypage 172).
XNotify aqualified specialist workshop or breakdown service.
Sto pVehicl eLeave
Engine Runnin g
WaitTransmission
Coolin g
The transmissio nhas overheated. Pullin gaway can be temporarily
impaire dor no tpossible.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions. Do no tcontinue drivin g
under any circumstances.
XWait until th edisplay message disappear sbefore pullin gaway.
AThe tailgat eis open .
GWARNIN G
Whenth eengin eis running ,exhaus tgase scan ente rth evehicl e
interio rif th etailgat eis open .
There is aris kof poisoning.
XClos eth etailgate.
?The hoo dis open . Awarnin gtone also sounds.
GWARNIN G
The open hoo dmay bloc kyour vie wwhen th evehicl eis in motion .
There is aris kof an accident.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 172).
XCloseth ehood.
288Display messages
On-board computer and displays

Safety systems
Warning/
indicator
lampNSignal type
Possible causes/consequences and M
Solutions
$JN$ (USA only), J(Canada only): the red brake system warning lamp
is lit while the engine is running.
A warning tone also sounds.
GWARNING
The brake boosting effect is malfunctioning and the braking characteristics
may be affected.
There is a risk of an accident.
XPull over and stop the vehicle safely as soon as possible, paying attention to
road and traffic conditions. Do not continue driving under any circumstan-
ces.
XSecure the vehicle against rolling away (Ypage 172).
XConsult a qualified specialist workshop.
XObserve the additional display messages in the multifunction display.
$JN $ (USA only), J(Canada only): the red brake system warning lamp
is lit while the engine is running.
A warning tone also sounds.
There is not enough brake fluid in the brake fluid reservoir.
GWARNING
The braking effect may be impaired.
There is a risk of an accident.
XPull over and stop the vehicle safely as soon as possible, paying attention to
road and traffic conditions. Do not continue driving under any circumstan-
ces.
XSecure the vehicle against rolling away (Ypage 172).
XDo not add brake fluid. Adding more will not correct the malfunction.
XConsult a qualified specialist workshop.
XObserve the additional display messages in the multifunction display.
$N USA only: the red brake system warning lamp is lit while the engine is
running. The multifunction display also shows a display message with the
# symbol.
The brake pads/linings have reached their wear limit.
XVisit a qualified specialist workshop.
Warning and indicator lamps in the instrument cluster293
On-board computer and displays
Z

Warning/
indicator
lampNSignal type
Possible causes/consequences and M
Solutions
?NThe red coolant warning lamp comes on while the engine is running.
The coolant level is too low.
If the coolant level is correct, the airflow to the engine radiator may be blocked
or the electric engine radiator fan may be malfunctioning.
The coolant is too hot and the engine is no longer being cooled sufficiently.
XObserve the additional display messages in the multifunction display.
XPull over and stop the vehicle safely and switch off the engine, paying
attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 172).
XLeave the vehicle and keep a safe distance from the vehicle until the engine has cooled down.
XCheck the coolant level and add coolant, observing the warning notes
(
Ypage 341).
XIf you have to add coolant frequently, have the engine cooling system
checked.
XMake sure that the air supply to the engine radiator is not blocked, e.g. by
snow, slush or ice.
XDo not start the engine again until the coolant temperature is below 248 ‡
(120 †). Otherwise, the engine could be damaged.
XDrive to the nearest qualified specialist workshop.
XAvoid heavy loads on the engine as you do so, e.g. driving in mountainous
terrain and stop-start traffic.
?N The red coolant warning lamp comes on while the engine is running. A
warning tone also sounds.
The coolant temperature has exceeded 248 ‡ (120 †). The airflow to the
engine radiator may be blocked or the coolant level may be too low.
GWARNING
The engine is not being cooled sufficiently and may be damaged.
Do not drive when your engine is overheated. This can cause some fluids which
may have leaked into the engine compartment to catch fire.
Steam from the overheated engine can also cause serious burns which can
occur just by opening the hood.
There is a risk of injury.
XObserve the additional display messages in the multifunction display.
XPull over and stop the vehicle safely and switch off the engine, paying
attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 172).
300Warning and indicator lamps in the instrument cluster
On-board computer and displays

Tires
Warning/
indicator
lampNSignal type
Possible causes/consequences and M
Solutions
hNThe yellow tire pressure monitor warning lamp (pressure loss/malfunction)
is lit.
The tire pressure monitor has detected a loss of pressure in at least one of the
tires.
GWARNING
Tire pressures that are too low pose the following hazards:
Rthey may burst, especially as the load and vehicle speed increase.
Rthey may wear excessively and/or unevenly, which may greatly impair tire
traction.
Rthe driving characteristics, as well as steering and braking, may be greatly
impaired.
There is a risk of an accident.
XStop the vehicle without making any sudden steering or braking maneuvers.
Pay attention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 172).
XObserve the additional display messages in the multifunction display.
XCheck the tires and, if necessary, follow the instructions for a flat tire
(
Ypage 356).
XCheck the tire pressure (Ypage 381).
XIf necessary, correct the tire pressure.
hN The yellow tire pressure monitor warning lamp (pressure loss/malfunction)
flashes for approximately one minute and then remains lit.
The tire pressure monitor is faulty.
GWARNING
The system is possibly unable to recognize or register low tire pressure.
There is a risk of an accident.
XObserve the additional display messages in the multifunction display.
XVisit a qualified specialist workshop immediately.
302Warning and indicator lamps in the instrument cluster
On-board computer and displays

The mbrace system
To adjust the volume during a call, proceed as
follows:
XPress theWorX button on the mul-
tifunction steering wheel.
or
XUse the COMAND/Audio 20 volume con-
trol.
The system offers various services, e.g.:
RAutomatic and manual emergency call
RRoadside Assistance call
RMB Info call
You can find information and a description of
all available features under "Owners Online"
at http://www.mbusa.com.
System self-test
After you have switched on the ignition, the
system carries out a self-diagnosis.
A malfunction in the system has been detec-
ted if one of the following occurs:
RThe indicator lamp in the SOS button does
not come on during the system self-test.
RThe indicator lamp in the FRoadside
Assistance button does not light up during
self-diagnosis of the system.
RThe indicator lamp in the ïMB Info call
button does not light up during self-diag-
nosis of the system.
RThe indicator lamp in one or more of the
following buttons continues to light up red
after the system self-diagnosis:
-SOS button
-F Roadside Assistance call button
-ïMB Info call button
RTheInoperativeor the Service Not
Activatedmessage appears in the multi-
function display after the system self-diag-
nosis.
If a malfunction is indicated as outlined
above, the system may not operate as expec-
ted. In the event of an emergency, help will
have to be summoned by other means. Have the system checked at the nearest
authorized Mercedes-Benz Center or contact
the following service hotlines:
Mercedes-Benz Customer Assistance Center
at 1-800-FOR-MERCedes (1-800-367-6372)
or 1-866-990-9007
Emergency call
Important safety notes
GWARNING
It can be dangerous to remain in the vehicle,
even if you have pressed the SOS button in an emergency if:
Ryou see smoke inside or outside of the vehi-
cle, e.g. if there is a fire after an accident
Rthe vehicle is on a dangerous section of
road
Rthe vehicle is not visible or cannot easily beseen by other road users, particularly when
dark or in poor visibility conditions
There is a risk of an accident and injury.
Leave the vehicle immediately in this or simi-
lar situations as soon as it is safe to do so.
Move to a safe location along with other vehi-
cle occupants. In such situations, secure the
vehicle in accordance with national regula-
tions, e. g. with a warning triangle.
General notes
Observe the notes on system activation
(
Ypage 324).
An emergency call is dialed automatically if an
air bag or Emergency Tensioning Device is
triggered. You cannot end an automatically
triggered emergency call yourself.
An emergency call can also be initiated man-
ually.
As soon as the emergency call has been ini-
tiated, the indicator lamp in the SOS button
flashes. The Connecting Call
message
appears in the multifunction display.
The audio output is muted.
Features325
Stowag ean d features
Z

Displaying service messages
XSwitchon th eignition .
XUseò on thesteerin gwhee lto cal lup
th elist of menus.
XPress 9or: on thesteerin gwhee l
to selec tth eServic e
menuand confirm
wit ha.
XPress 9or: on thesteerin gwhee l
to selec tth eASSYST PLU S
submenuand
confirm wit ha.
The servic edue dat eappears in th emulti-
function display.
Information about Service
Resetting th eASSYS TPLUS service
interva ldisplay
!If th eASSYST PLU Sservic einterval dis -
play has been inadvertentl yreset ,this set -
ting can be correcte dat aqualified special-
ist workshop .
Hav eservic ewor kcarrie dout as described
in th eMaintenance Booklet .Thi smay oth-
erwise lead to increase dwear and damage
to th emajor assemblies or th evehicle.
A qualified specialis tworkshop ,e.g. an
authorized Mercedes-Ben zCenter, will reset
th eASSYST PLU Sservic einterval display
after th eservic ewor khas been carrie dout .
You can also obtain further information on
maintenance work, fo rexample.
Specia lservice requirement s
The specifiedmaintenance interval take sonly
th enormal operation of th evehicle into
account. Under arduous operatin gcondition s
or increase dload on th evehicle, mainte -
nance wor kmus tbe carrie dout more fre-
quently, fo rexample:
Rregular city drivin gwit hfrequent intermedi-
at estops
Rif th evehicle is primarily used to trave l
short distances
Ruse in mountainous terrain or on poo rroad
surfaces
Rif th eengin eis ofte nlef tidlin gfo rlon gperi-
ods
Under these or similar conditions, have, fo r
example, th eair filter, engin eoil and oil filte r
replaced or changed more frequently. Under
arduous operatin gconditions, th etires mus t
be checke dmore often. Further information
can be obtained at aqualified specialist work-
shop, e.g. an authorized Mercedes-Ben zCen -
ter.
Drivin gabroad
An extensive Mercedes-Ben zServic enetwor k
is also available in other countries. You can
obtain further information from any author -
ized Mercedes-Ben zCenter.
Car e
General notes
HEnvironmental not e
Dispose of empty packagin gand cleanin g
cloths in an environmentally responsible man -
ner.
!Fo rcleanin gyour vehicle, do no tuse any
of th efollowing :
Rdry, rough or har dcloths
Rabrasiv ecleanin gagents
Rsolvents
Rcleanin gagents containin gsolvents
Do no tscrub .
Do no ttouch th esurfaces or protective
films wit hhar dobjects ,e.g. arin gor ic e
scraper. You could otherwise scratch or
damage th esurfaces and protective film.
!Do no tpar kth evehicle fo ran extended
period straight after cleanin git,particularly
after havin gcleaned th ewheels wit hwhee l
cleaner. Wheel cleaners could caus e
increase dcorrosion of th ebrake discs and
brake pads/linings. Fo rthis reason ,you
Care343
Maintenance and care
Z