2012 MERCEDES-BENZ GL SUV maintenance reset

functions in systems wh
ichh ave not been
modified .Malfunctions such as these can
seriously jeopardise the vehicle' soperating
safety and therefore your own safety.
You shoul dthere fore have all work and mod-
ifi ca tions to electronic component scarried
out at aqualified specialist workshop. Declarations of conformity
Wireless vehicle components The followin
ginformation applies to all com-
ponent softhe vehicle and the COMAN Dsys-
tem which receiv eand/or transmit radio
waves:
The component softhis vehicle whic hreceive
and/or transmit radi owaves are compliant
with the basic requirements and other rele-
vant provisions of Directive 1999/5/EC. You
can obtain further information from any
Mercedes-Benz Servic eCentre.
Electromagnetic compatibility The electromagneti
ccompatibility of the vehi-
cle components has been checked and certi-
fied according to the currently valid version
of Directive 72/245/EE Corthe equivalent
ECE Regulation ECE-R 10. Diagnostics connection
G
WARNING
If you connec tequipment to adiagnostics
connection, it can affect the operation of the
vehicle systems. This could compromis ethe
operating safety of your vehicle while driving.
There is arisk of an accident.
Do not connect any equipment to adiagnos-
tics connection. G
WARNING
Loose equipment or cables hanging from a
device which are connected to adiagnostic
connection could impede pedal clearan ce. The equipment or cables could get caught
between the pedals when driving and braking
suddenly
.This coul dimpair th efunction of the
pedals .There is arisk of accident.
Do not attac hany equipment or cable sinthe
driver's footwell.
! If the engin eiss witched off and equip-
ment on the diagnostics connection is
used, the starter batter ymay discharge.
The diagnostics con nection is only intended
for the connection of diagnostic equipmen tat
aq ualified specialist workshop.
Connecting equipmen ttothe diagnostics
con nectio ncan lead to emissions monitoring
information being reset, for example. This
may lead to the vehicle failing to meet the
requirements of the next emissions test dur-
ing the main inspection. Qualified specialist workshop
Aq ualified specialist workshop has the nec-
essary special skills, tools and qualifications
to cor rectly carry out any necessary work on
your vehicle. This particularly applies to work
relevan ttosafety.
Observe the notes in the Servic eBooklet.
Always have the following work carried out at
aq ualified specialist workshop:
R work relevant to safety
R service and maintenance work
R repair work
R modifications, installations and conver-
sions
R work on electronic components
Mercedes-Benz recommends that you use a
Mercedes-Benz Servic eCentre. Vehicle registration
Mercedes-Benz may ask its Servic eCentres
to carry out technical inspections on cer tain Introduction
25 Z

Usefu
linfor mati on
i This Owner's Manual describes all mod-
els, series and optional equipment for your
vehicle that were available at the time of
going to press. National variation sare pos-
sible. Note that your vehicl emay not be
equippe dwith all of the function sdescri-
bed. This is also the case for system sand
functions relevant to safety.
i Read the information on qualified special-
ist workshops: (Y page25). Engine compartment
Bonnet
Active bonnet (pedes tria np rotection) Operating principle
!
An activ ebonnet that had been triggered
must be repaired at aqualified specialist
workshop. The activ ebonnet function will
then be available again .The additional
pedestrian protection provided by the
activ ebonnet will then be restored.
i The activ ebonnet is only available in cer-
tain coun tries. It is available for all models,
except for AMG vehicles.
The activ ebonnet can reduce the risk of injury
to pedestrians in cer tain acciden tsituations.
Raising the active bonnet increases the clear-
anc etoh ard components, such as the engine.
If the active bonnet has been triggered, it will
be raised in the area of the bonnet hinges by
approximately 100 mm. The active bonnet is
triggered by pyrotechnics.
For the drive to the workshop, reset the trig-
gered active bonnet yourself .After be ing
reset, th eactive bonnet rest sinthe area of
the bonnet hinges on the seals, and the bon-
net hinges do not enga ge.For this rea son, we
recommend that you do not excee damaxi-
mum top spee dof130 km/h on the wa yto
the worksh op.Ift he active bonnet has been triggered, pedestrian protection ma
ybelimi-
ted.
Resetting G
WARNING
There is arisk of injur yifthe bonnet is open,
even if the engin eisnot running.
Som eengine components can become very
hot.
To avoi dthe risk of burns, only touc hthose
components described in the Owner's Manual
and observ ethe relevant safety notes. G
WARNING
Make sur ethat nobody can becom etrapp ed
as you close the bonnet. X
With you rhand flat near the bonnet hinges
(arrows), push down active bonnet :until
it rest sonthe seals.
Opening th ebonnet G
WARNING
Do not pull the release lever while the vehicle
is in motion. If you do so, the bonnet may open
up and block your view. G
WARNING
There is arisk of injury if the bonnet is open,
even if the engin eisnot run ning.
Som eengine component scan become very
hot. 360
Engine compa
rtmentMaintenance and ca re

i
The ASSYST PLU Sservice interval display
does not show any information on the
engine oil level. Observ ethe notes on the
engin eoil level (Y page 362).
The multifunction display shows aservice
message for afew seconds, e.g.:
Next servic eAin .. days Service
Adue Service
Aoverdue by ... days Th
eletter indicates which service is due. Astands for
aminor servic eand B for
am ajor
service. Anumber or another letter may be
displayed after the letter. This figure indicates
any necessary additional maintenanc ework
to be performed.
If you notify aqualified specialist worksho pof
this display, you will receive astatement on
the associated costs.
The ASSYST PLUS service interval display
doe snot tak einto account any periods of
tim eduring which the battery is disconnec-
ted.
Maintaining the time-dependent service
schedule:
X Note down the service du edated isplayed
in the multifunction displa ybefor ediscon-
nectin gthe battery.
or
X After reconnecting the battery ,subtract
the battery disconnection periods fro mthe
service date shown on the display.
Hiding aservice message X
Pres sthe % ora button on th esteer-
ing wheel. Displaying service messages X
Switch th eignitio non.
X Press the =or; button on the steer-
ing whee ltoselect the Serv. men
u.
X Press the 9or: button to select the
ASSYS TPLUS submenu and confirm by
press ingt he a button.
The service due date appears in the multi-
function display.
Informatio nabout Service Resetting th
eASSYST PLUS service inte r-
val display
! If the ASSYS TPLUS service interva ldis-
play has been inadvertently reset ,this set-
tin gc an be corrected at aqualified special-
ist workshop.
Have service work carried out as described
in the Servic eBooklet. This ma yotherwise
lead to increased wear and damage to the
major assemblies or the vehicle.
Aq ualified specialist workshop, e.g. a
Mercedes-Ben zService Cent re,w ill reset the
ASSYST PLU Sservic einterval display after
the service work has bee ncarried out. You
can also obtain further information on main-
tenance work, for example.
Special service requirements
Arduous operating conditions or increased
loads on the vehicle will require some service
work to be performed more often than for a
vehicle in normal use. Such arduous condi-
tions include regular city driving with frequent
intermediate stops and use in mountainous
terrain or on poor road surfaces.
For example, if the vehicle is used under ardu-
ous operating conditions, have air filters,
engine oil and oil filters changed frequently
and check the wheels often .Further informa-
tion can be obtaine dataqualified specialist
workshop, e.g. aMercedes-Ben zService
Cent re. Service
365Maintenance and care Z