2011 MERCEDES-BENZ M-CLASS SUV maintenance reset

The equipment conform
stothe relevant
equipment -specific EMC specification sin
accordanc ewith the following European
standards:
R EN 550 13
R EN 55020
Therefore, adherence to the relevant specifi-
cations for electromagnetic compatibility is
guarantee dfor this device.
As aresult, interferenc ecaused by your
equipment to other electrical/electronic
equipment and interferenc etoyour equip-
men tcaused by other electrical/electronic
equipment can be largely prevented. On-board diagnostic interface
G
WARNING
If you connect equipment to the on-board
diagnostic interface, it can affect the opera-
tion of the vehicle systems. This can impair
the operating safety of your vehicle while driv-
ing. There is arisk of accident.
Do not connect any equipment to the on-
board diagnostic interface. G
WARNING
Loose equipment or equipment cables which
are connected to the on-board diagnostic
interface may infringe on the space around
the pedals. The equipment or the cables could
get between the pedals in the event of sudden
braking or acceleration .You may then no lon-
ger be able to brake, operate the clutch or
accelerate as intended. There is arisk of acci-
dent.
Do not attach any equipment or cables in the
driver footwell.
Connecting equipment to the on-board diag-
nostic interface can lead to emissions moni-
torin ginformation being reset. Thi smay lead
to the vehicle failing to meet the require-
ment satthe nex temissions con trol test or
main inspec tion. If the engin
eisswitched off and equipment
on the on-board diagnostic interface is used,
the starter battery may discharge.
The on-board diagnostic interface is intended
for the connection of diagnostic equipment at
aq ualified specialist workshop. Qualified specialist workshop
Aq ualified specialist workshop has the nec-
essary specialist knowledge, tools and quali-
fication stocorrectlyc arry out the work
required on your vehicle. This is especially the
cas efor work releva ntto safety.
Observ ethe information in th eServic eBook-
let.
Alway shave th efollowin gwork carried out at
aq ualified specialist workshop:
R work relevan ttosafety
R servic eand maintenance work
R repair work
R alterations, installation work and modifica-
tions
R work on ele ctroniccomponen ts
Mercedes-Ben zrecom mends that you use a
Mercedes-Benz Service Centre. Vehicle registration
Mercedes-Benz may ask its Service Centres
to carry out technical inspectio nson certain
ve hicles to improv etheir quality or safety.
If you did not purchase your vehicle from an
authorised specialist dealer and your vehicle
has never been inspected at aMercedes-
Ben zService Cent re,itisp ossible that your
vehicle is not registered in your nam ewith
Mercedes-Benz. Mercedes-Ben zcan only
infor myou about vehicle chec ksif it has your
registration data.
It is advisable to register your vehicle with a
Mercedes-Benz Servic eCentre. 24
Introduction

Usefu
linfor mati on
i This Owner's Manual describes all models
and all standard and optional equipment
available to your vehicle at the time of pub-
lication of the Owner's Manual. Country-
specific deviation sare possible .Please
not ethat your vehicle ma ynot be equipped
with all featur es described. This also
applies to safety-releva ntsystems and
functions.
i Please read the information on qualified
specialist workshops (Y page 24).Engine compartment
Bonnet
Active bonnet (pedestrian protection) Operating principle
i The active bonnet is only available in cer-
tai nc ountries.
The active bonnet can reduce the risk of injury
to pedestrians in certain accident situations.
Raising the active bonnet increases the clear-
anc etoh ard components, such as the engine.
If the active bonnet has been triggered, it is
raised in the area of the bonnet hinges by
abou t100 mm. Th eactive bonnet is trigg ered
by pyrotechnics.
! Once triggered, an active bonnet must be
reset at aqualified specialist workshop,
e.g. aMercedes-Ben zService Centre. The
active bonnet function will then be availa-
ble again. The additional pedestrian pro-
tection provided by the active bonnet will
then be restored.
For the driv etot he workshop, reset the trig-
gere dactive bonnet yourself. After being
reset, the active bonnet rest sinthe area of
the bonnet hinges on the seals, and the bon-
net hinges do not engage. For this reason, we
recommend that you do not exceed amaxi-
mum top spee dof130 km/h on the wa ytothe workshop
.Ifthe 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 compone ntsc an become very
hot.
To avoid the risk of burns, only touch those
component sdescribed in the Owner's Manual
and observ ethe relevant safety notes. X
With your hand fla tnear the bonnet hinges
(arrows), push down active bonnet :until
it rests on the seals. G
WARNING
Make sure that nobody can becom etrapped
as you close th ebonnet.
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 injur yifthe bonnet is open,
even if the engin eisnot running.
Som eengine compone ntsc an become very
hot. 318
Eng
inecompartmentMaintenance and care

Maintainin
gthe time-dependen tservice
schedule:
X Not edown the service due date displayed
in the multifunc tion display befor ediscon-
necting the battery.
or
X Subtract the battery disconnection periods
from the servic edate shown on the displ ay
after reconnecting the battery.
i The ASSYST PLUS service interval displ ay
does not show any information on the
engine oil level .Observ ethe notes on the
engin eoil level (Y page 320).
Hiding aservice message X
Pres sthe % ora button on th esteer-
ing wheel.
Displaying service messages X
Switch th eignitio non.
X Press =or; on the steering wheel
to select the Serv. menu.
X Press 9or: to select the ASSYST PLUS submenu and press
ato confirm.
The service du edatea ppears in the multi-
function display.
Points to remember Resettin
gthe ASSYS TPLUS service inter-
val display
Aq ualified specialist workshop, e.g. a
Mercedes -Ben zS ervice Cent re,w ill reset the
ASSYST PLU Sservic einterval display after
the service work has bee ncarried out.
You can obtain further information ,e.g.
regarding servic ework,from aMercedes-
Benz Ser vice Centre or directly from
Mercedes-Benz.
! If the ASSYST PLUS servic einterval dis-
play has bee ninadvertently reset, this set-
ting can be corrected at aMercedes-Benz
Ser vice Centre. Have servic
ework carried out as described
in the Ser vice Boo klet. This may otherwise
lead to inc reased wear and damage to the
major assemblies or the vehicle.
Driving abroad
An extensive Mercedes -Ben zS ervice network
is also available in other coun tries. The
Service Hotline's curren ttelephone numbers
for use when you are abroa dare to be found
in th e"Mercedes-Ben zService24h" section
of the Ser vice Boo klet. AdBlue
®
service indicator
i For BlueTE Cvehicles only.
The BlueTE Cexhaus tgas aftertreatment
must be operated with the reducing agent
AdBlue ®
in order for it to function correctly.
Under normal operating conditions, afull tank
of AdBlue ®
should last until the nex tservice
due date.
Depending on how and where the vehicle is
used, there may be an inc rease in the
AdBlue ®
consumption, resulting in the next
servic edue date being brought forward.
Certain display messages sho wthat
AdBlue ®
must be topped up, e.g.
Refill AdBlue at worksh opSee Owner’s Manual
Refill AdBlue at worksho
pNostart in .. km
Aw
arning signal also sounds.
You can no longer star tthe engin ewhen the
AdBlue ®
supply has been used up
(Y page 268).
Top up AdBlue ®
(Y page 157).
Before taking atripw ithy our vehicle outside
Europe, have th eAdBlue ®
suppl ychec kedat
aq ualified specialist workshop. If necessary,
have the AdBlue ®
topped up. Before using
your vehicle for an extended period in coun-
tries outside Europe, con tact aq ualified spe-
cialist workshop.
Obser vethe note sonAdBlue®
(Y page 374). Maintenance
323Maintenanceand care Z