stop start MERCEDES-BENZ GL 2016 Service Manual

Display messages
Possible causes/consequences and P Solutions
PRE-SAFE Functions
Currently Limite d
See Operator' s Man ‐
ual Adaptive Brake Assis t or th e PRE-SAF E ®
Brake is temporarily inop-
erative . Possibl e causes are:R
function is impaire d due to heav y rain or snow.R
th e rada r sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radi o sta-
tion s or other source s of electromagnetic radiation .R
Mercedes-AMG vehicles: ES P ®
is deactivatedR
th e system is outside th e operating temperature range.R
th e on-boar d voltag e is to o low.
Whe n th e causes state d abov e no longer apply, th e display mes -
sage disappears.
Adaptive Brake Assis t or th e PRE-SAF E ®
Brake is operative again .
If th e display message does no t disappear :X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 189).X
Restart th e engine. X
Mercedes-AMG vehicles: reactivat e ES P ®
( Y
page 74).
PRE-SAFE Functions
Limite d See Opera‐
tor's Manual Adaptive Brake Assis t or th e PRE-SAF E ®
Brake is malfunctioning.
BA S PLU S or th e distanc e warnin g function may also hav e failed.X
Visit a qualified specialist workshop .298
Display messages
On-board computer and displays

Display messages
Possible causes/consequences and P Solutions
Radar Sensor s
Dirty See Opera‐
tor's Manual At leas t on e of th e following drivin g systems or drivin g safet y sys-
tems is temporarily restricted or inoperative: R
PRE-SAF E ®
Brake R
Active Lan e Keepin g Assis tR
Active Blind Spot Assis t
If th e rada r sensor system in fron t is dirty, Active Blind Spot Assis t
will no t perform a course-correcting brak e application .
Possibl e causes are: R
th e sensor s in th e radiato r trim and/o r in th e bumpers are dirtyR
th e function of th e drivin g system and/o r drivin g safet y system
is impaire d due to heav y rain or snow.
A warnin g tone also sounds.
Whe n th e causes state d abov e no longer apply, th e display mes -
sage disappears. Al l drivin g systems and drivin g safet y systems
are operative again .
If th e display message does no t disappear :X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 189).X
Switc h of f th e engine.X
Clean th e sensor s in th e following location s ( Y
page 380):R
in th e radiato r trim R
in th e fron t bumper R
in th e rear bumper, particularl y in th e middle of th e rear
bumper X
Restart th e engine.
The display message disappears.
u Restraint sys . mal ‐
function Consul t
workshop The restrain t system is faulty.
The u warnin g lamp also lights up in th e instrumen t cluster.
G WARNIN G
The air bags or Emergency Tensioning Devices may either be trig-
gered unintentionally or, in th e event of an accident, may no t be
triggered .
There is an increase d ris k of injury.X
Visit a qualified specialist workshop .
Observ e th e additional information on restrain t systems
( Y
page 44) . Display messages 29 9
On-board computer and displays Z

Display messages
Possible causes/consequences and P Solutions
Lan e Keepin g
Assist Currently
Unavailable See
Operator' s Man ‐
ual or A ctive Lan e
Keepin g Assist Cur ‐
rently Unavailable
See Operator' s Man ‐
ual Lan e Keepin g Assis t or Active Lan e Keepin g Assis t is deactivated
and temporarily inoperative. Possibl e causes are:R
th e windshield in th e camera' s field of vision is dirty.R
visibility is impaire d due to heav y rain , snow or fog.R
there hav e been no lan e marking s fo r an extended period.R
th e lan e marking s are worn, dark or covered, e.g. by dir t or snow.
Whe n th e causes state d abov e no longer apply, th e display mes -
sage disappears.
Lan e Keepin g Assis t or Active Lan e Keepin g Assis t is operational
again .
If th e display message does no t disappear :X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 189).X
Clean th e windshield.
Lan e Keepin g
Assist inopera‐
tiv e or Active Lan e
Keepin g Assist
inoperative Lan e Keepin g Assis t or Active Lan e Keepin g Assis t is defective.X
Visit a qualified specialist workshop .
Blind Spo t Assist
Currently Unavail‐
abl e See Opera‐
tor's Man ‐
ual or A ctive Blind
Spo t Assist Cur ‐
rently Unavailable
See Operator' s Man ‐
ual Blind Spot Assis t or Active Blind Spot Assis t is temporarily inop-
erative . Possibl e causes are:R
th e rada r sensor system is outside th e operating temperature
range. R
th e rada r sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radi o sta-
tion s or other source s of electromagnetic radiation .
The yello w c indicato r lamp s also ligh t up in th e exterio r mir -
rors.
Whe n th e causes state d abov e no longer apply, th e display mes -
sage disappears.
Blind Spot Assis t or Active Blind Spot Assis t is operational again .
If th e display message does no t disappear :X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 189).X
Restart th e engine.314
Display messages
On-board computer and displays

Display messages
Possible causes/consequences and P Solutions
DISTRONIC PLU S off DISTRONIC PLU S has been deactivated ( Y
page 205).
If it was deactivated automatically, a warnin g tone also sounds.
DISTRONIC PLU S
available again DISTRONIC PLU S is operational again after havin g been tempo -
rarily unavailable . You can no w reactivat e DISTRONIC PLU S
( Y
page 205).
DISTRONIC PLU S Cur ‐
rently Unavailable
See Operator' s Man ‐
ual DISTRONIC PLU S is temporarily inoperative.
Possibl e causes are: R
function is impaire d due to heav y rain or snow.R
th e rada r sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radi o sta-
tion s or other source s of electromagnetic radiation .R
th e system is outside th e operating temperature range.R
th e on-boar d voltag e is to o low.
A warnin g tone also sounds.
Whe n th e causes state d abov e no longer apply, th e display mes -
sage disappears.
DISTRONIC PLU S is operational again .
If th e display message does no t disappear :X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 189).X
Restart th e engine.
DISTRONIC PLU S
inoperative DISTRONIC PLU S is defective.
The following may hav e also failed:R
BA S PLU S R
PRE-SAF E ®
Brake
A warnin g tone also sounds. X
Visit a qualified specialist workshop .
DISTRONIC PLU S sus ‐
pended You hav e depressed th e accelerato r pedal . DISTRONIC PLU S is no
longer controllin g th e speed of th e vehicle.X
Remove your foot from th e accelerato r pedal .
DISTRONIC PLU S
- - - mph An activation condition fo r DISTRONIC PLU S is no t fulfilled .X
Chec k th e activation condition s fo r DISTRONIC PLU S
( Y
page 205).316
Display messages
On-board computer and displays

Tires Display messages
Possible causes/consequences and P Solutions
Check Tire Pres‐
sure Soon The tire pressure loss warning system has detected a significant
loss in pressure.
A warning tone also sounds.
Possible causes: R
you have changed the positions of the wheels and tires or instal-
led new wheels and tires. R
the tire pressure in one or more tires is not correct.
G WARNING
Tire pressures that are too low pose the following hazards: R
they may burst, especially as the load and vehicle speed
increase. R
they may wear excessively and/or unevenly, which may greatly
impair tire traction. R
the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident. X
Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so. X
Secure the vehicle against rolling away ( Y
page 189).X
Check the tires and, if necessary, follow the instructions for a
flat tire ( Y
page 387). X
Check the tire pressures and, if necessary, correct the tire pres-
sure. X
Restart the tire pressure loss warning system when the tire
pressure is correct ( Y
page 412).
Check Tire Pres‐
sure Then Restart
Run Flat Indicator The tire pressure loss warning system generated a display mes-
sage and has not been restarted since. X
Set the correct tire pressure in all four tires. X
Restart the tire pressure loss warning system ( Y
page 412).
Run Flat Indicator
Inoperative The tire pressure loss warning system is faulty. X
Visit a qualified specialist workshop.
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. X
Check the tire pressures at the next opportunity ( Y
page 412).X
If necessary, correct the tire pressure. X
Restart the tire pressure monitor ( Y
page 415).318
Displa y messages
On-board computer and displays

message in the COMAND display. The route is
saved to the SD memory card. X
To start route guidance: select Yes .
An overview of the route is shown in the
display.
i If you select No , the saved route can be
called up later via the navigation menu. X
Select Start .
Route guidance is started.
i Downloaded and saved data can be called
up again in COMAND.
You can find further information in the sep-
arate COMAND Operating Instructions.
Speed alert You can define the upper speed limit, which
must not be exceeded by the vehicle.
If this selected speed is exceeded by the vehi-
cle, a message will be sent to the Customer
Assistance Center. The Customer Assistance
Center then forwards this information to you.
You can select the way in which you receive
this information beforehand. Possible options
include text message, e-mail or an automated
call.
The data you receive contains the following
information: R
the location where the speed limit was
exceeded R
the time at which the speed limit was
exceeded R
the selected speed limit which was excee-
ded
Geo fencing
Geo fencing allows you to select areas which
the vehicle should not enter or leave. You will
be informed if the vehicle crosses the boun-
daries of the selected areas. You can select
the way in which you receive this information
beforehand. Possible options include text
message, e-mail or an automated call. The area can be determined as either a circle
or a polygon with a maximum of ten corners.
You can specify up to ten areas simultane-
ously. Different settings are possible for each
area.
USA only: these settings can be called up
under "Owners Online" at http://
www.mbusa.com.
Alternatively, you can trigger an MB Info call
and inform the customer service representa-
tive that you wish to activate geo fencing.
Currently inactive areas can be activated by
text message.
Triggering the vehicle alarm With this function, you can trigger the vehi-
cle's panic alarm via text message. An alarm
sounds and the exterior lighting flashes.
Depending on the setting, the panic alarm
lasts five or ten seconds. Afterwards, the
alarm switches off.
Garage door opener
General notes
The HomeLink ®
garage door opener integra-
ted in the rear-view mirror allows you to oper-
ate up to three different door and gate sys-
tems.
Use the integrated garage door opener only
on garage doors that: R
have safety stop and reverse features and R
meet current U.S. federal safety standards
Once programed, the integrated garage door
opener in the rear-view mirror will assume the
function of the garage door system's remote
control. Please also read the operating
instructions for the garage door system.
When programming a garage door opener,
park the vehicle outside the garage. Do not
run the engine while programming.
Certain garage door drives are incompatible
with the integrated garage door opener. If you
have difficulty programing the integrated364
Features
Stowage and features

Example: engine oil cap X
Turn cap C counter-clockwise and remove
it. X
Add engine oil.
If the oil level is at or below the MIN mark on
the oil dipstick, add 1.1 US qt (1.0 l) of
engine oil. X
Replace cap C on the filler neck and
tighten clockwise.
Ensure that the cap locks into place
securely. X
Check the oil level again with the oil dip-
stick ( Y
page 371).
Further information on engine oil
( Y
page 450).
Additional service products
Checking coolant level
G WARNING
Certain components in the engine compart-
ment, such as the engine, radiator and parts
of the exhaust system, can become very hot.
Working in the engine compartment poses a
risk of injury.
Where possible, let the engine cool down and
touch only the components described in the
following.
G WARNING
The engine cooling system is pressurized, par-
ticularly when the engine is warm. When
opening the cap, you could be scalded by hot
coolant spraying out. There is a risk of injury. Let the engine cool down before opening the
cap. Wear eye and hand protection when
opening the cap. Open the cap slowly half a
turn to allow pressure to escape.
X
Park the vehicle on a level surface.
Only check the coolant level when the vehi-
cle is on a level surface and the engine has
cooled down. X
Turn the SmartKey to position 2 in the igni-
tion lock ( Y
page 165).
On vehicles with KEYLESS-GO, press the
Start/Stop button twice ( Y
page 165).X
Check the coolant temperature gauge in
the multifunction display.
The coolant temperature must be below
158 ‡ (70 †). X
Turn the SmartKey to position 0 in the igni-
tion lock ( Y
page 165). X
Slowly turn cap C half a turn counter-
clockwise and allow excess pressure to
escape. X
Turn cap C further counter-clockwise and
remove it.
If the coolant is at the level of marker bar

Do not remove the SmartKey from the
ignition lock. Do not open the driver's
door or front-passenger door when the
engine is switched off. Otherwise, the
automatic transmission selects park
position P automatically and locks the
wheels. You can prevent this by shifting
the automatic transmission to N before-
hand. R
Vehicles with KEYLESS-GO:
Do not open the driver's door or front-
passenger door when the engine is
switched off. Otherwise, the automatic
transmission selects park position P
automatically and locks the wheels.
Observe the following to make sure that the
automatic transmission stays in position N :X
Make sure the vehicle is stationary and the
ignition is switched off. X
Turn the SmartKey to position 2 in the igni-
tion lock ( Y
page 165).
Use the SmartKey instead of the Start/
Stop button on vehicles with KEYLESS-GO. X
Depress and hold the brake pedal. X
Shift the automatic transmission to posi-
tion 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.
You can wash the vehicle in an automatic car
wash from the very start.
If the vehicle is very dirty, pre-wash it before
cl e
aning it in an automatic car wash.
After using an automatic car wash, wipe off
wax from the windshield and the wiper
blades. This will prevent smears and reduce
wiping noises caused by residue on the wind-
shield.
Washing by hand
In some countries, washing by hand is only
allowed at specially equipped washing bays. Observe the legal requirements in all coun-
tries concerned. X
Do not use hot water and do not wash the
vehicle in direct sunlight. X
Use a soft sponge to clean. X
Use a mild cleaning agent, such as a car
shampoo approved by Mercedes-Benz. X
Thoroughly hose down the vehicle with a
gentle jet of water. X
Do not point the water jet directly towards
the air inlets. X
Use plenty of water and rinse out the
sponge frequently. X
Rinse the vehicle with clean water and dry
thoroughly with a chamois. X
Do not let the cleaning agent dry on the
paintwork.
When using the vehicle in winter, remove all
traces of road salt deposits carefully and as
soon as possible.
Power washers
G WARNING
The water jet from a circular jet nozzle (dirt
blasters) can cause invisible exterior damage
to the tires or chassis components. Compo-
nents damaged in this way may fail unexpect-
edly. There is a risk of an accident.
Do not use power washers with circular jet
nozzles to clean the vehicle. Have damaged
tires or chassis components replaced imme-
diately.
! Always maintain a distance of at least
11.8 in (30 cm) between the vehicle and the
power washer nozzle. Information about
the correct distance is available from the
equipment manufacturer.
Move the power washer nozzle around
when cleaning your vehicle.
Do not aim directly at any of the following: R
tires R
door gaps, roof gaps, joints, etc. R
electrical components Care 377
Maintenance and care Z

k
Wheel boltsl
Towing eye X
Lift the cargo compartment floor up
( Y
page 347).
Flat tire
Preparing the vehicle Your vehicle may be equipped with: R
MOExtended tires (tires with run-flat prop-
erties)
Vehicle preparation is not necessary on
vehicles with MOExtended tires R
a TIREFIT kit R
an emergency spare wheel (only for certain
countries)
Information on changing/mounting a wheel
( Y
page 427). X
Stop the vehicle on solid, non-slippery and
level ground, as far away as possible from
traffic. X
Switch on the hazard warning lamps. X
Secure the vehicle against rolling away
( Y
page 189). X
If possible, bring the front wheels into the
straight-ahead position. X
Vehicles with the AIRMATIC package:
make sure that highway level is selected
( Y
page 219). X
Vehicles with the ON&OFFROAD pack-
age: make sure that highway level is selec-
ted ( Y
page 213).X
Switch off the engine. X
Vehicles without KEYLESS-GO: remove
the SmartKey from the ignition lock. X
Vehicles with KEYLESS-GO: open the
driver's door.
The on-board electronics now have status
0 . This is the same as the SmartKey having
been removed. X
Vehicles with KEYLESS-GO: remove the
Start/Stop button from the ignition lock
( Y
page 165). X
Make sure that the passengers are not
endangered as they do so. Make sure that
no one is near the danger area while a
wheel is being changed. Anyone who is not
directly assisting in the wheel change
should, for example, stand behind the bar-
rier. X
Get out of the vehicle. Pay attention to traf-
fic conditions when doing so. X
Close the driver's door. X
Unload heavy luggage.
i Only operate the tire inflation compressor
using a 12 V socket, even if the ignition is
turned off ( Y
page 353).
An emergency cut-out ensures that the on-
board voltage does not drop too low. If the
on-board voltage is too low, the power to
the sockets is automatically cut. This
ensures that there is sufficient power to
start the engine.
MOExtended tires (tires with run-flat
properties)
General notes
With MOExtended tires (tires with run flat
characteristics), you can continue to drive
your vehicle even if there is a total loss of
pressure in one or more tires. The affected
tire must not show any clearly visible damage.
You can recognize MOExtended tires by the
MOExtended marking which appears on the
sidewall of the tire. You will find this marking
next to the tire size designation, the load-
bearing capacity and the speed index
( Y
page 421).
MOExtended tires may only be used in con-
junction with an active tire pressure loss
warning system or with an active tire pressure
monitor. Flat tire 387
Breakdown assistance

If a pressure loss warning message
appears in the multifunction display: R
observe the instructions in the display mes-
sages ( Y
page 318).R
check the tire for damage. R
if driving on, observe the following notes.
The driving distance possible in run-flat mode
is approximately 50 miles (80 km) when the
vehicle is partially laden and approximately
18 miles (30 km ) when the vehicle is fully
laden.
In addition to the vehicle load, the driving dis-
tance possible depends upon: R
vehicle speed R
road condition R
outside temperature
The driving distance possible in run-flat mode
may be reduced by extreme driving condi-
tions or maneuvers, or it can be increased
through a moderate style of driving.
The driving distance possible in run-flat mode
is counted from the moment the tire pressure
loss warning appears in the multifunction dis-
play.
You must not exceed a maximum speed of
50 mph (80 km/h).
i When replacing one or all tires, please
observe the following specifications for
your vehicle's tires: R
size R
type and R
the "MOExtended" mark
If a tire has gone flat and cannot be
replaced with a MOExtended tire, a stand-
ard tire may be used as a temporary meas-
ure. Make sure that you use the proper size
and type (summer or winter tire).
i Vehicles equipped with MOExtended tires
are not equipped with a TIREFIT kit at the
factory. It is therefore recommend ed that
you additionally equip your vehicle with a
TIREFIT kit if you mount tires that do not
feature run-flat properties, e.g. winter tires. A TIREFIT kit may be obtained from a quali-
fied specialist workshop.
Important safety notes
G WARNING
When driving in emergency mode, the driving
characteristics deteriorate, e.g. when corner-
ing, accelerating quickly and when braking.
There is a risk of an accident.
Do not exceed the stated maximum speed.
Avoid abrupt steering and driving maneuvers,
and driving over obstacles (curbs, potholes,
off-road). This applies in particular to a laden
vehicle.
Stop driving in emergency mode if: R
you hear banging noises. R
the vehicle starts to shake. R
you see smoke and smell rubber. R
ESP ®
is intervening constantly. R
there are tears in the sidewalls of the tire.
After driving in emergency mode, have the
wheel rims checked at a qualified specialist
workshop with regard to their further use. The
defective tire must be replaced in every case.
TIREFIT kit
Important safety notes
TIREFIT is a tire sealant.
You can use TIREFIT to seal punctures of up to
0.16 in (4 mm), particularly those in the tire
tread. You can use TIREFIT at outside tem-
peratures down to