navigation system MERCEDES-BENZ M-CLASS SUV 2011 User Guide

Displa
ymessages Possible causes/consequences and
M Solutions
Sp
eedL imit Assist currently unavail‐
abl
eS ee Owner's Manual Spee
dLimit Assist is deactivated an dtemporarily inoperative.
Possible causes:
R the windscreen is dirt yinthe camera's field of vision.
R visibility is impaired due to heav yrain, snow or fog.
If the displ aymessage does not disappear:
X Pull ove rand sto pthe vehicle safely as soon as possible, paying
attention to roa dand traffic conditions.
X Appl ythe electric parkin gbrake.
X Cle anthe windscreen.
If th esystem detects that the camera is fully operational, the dis-
play messag edisappears.
Speed Limit Assist is operational again. Speed Limit Assist:
Unavailabl
ein this country Spee
dLimit Assist is only available in certain countries.
X Driv eon.
Spee dLimit Assist is available again when you drive in acount ry
in which its use is approved. Spee
dLimit Assist inoperative Spee
dLimit Assist is faulty.
X Visit aqualified specialist workshop. HOLD
Off The HOLD function is deactivated. The vehicle is skidding.
Aw arning ton ealso sounds.
X Reactivat ethe HOL Dfunction later (Y page 187). Ra
dars ensor deac‐ tivated autom. See
Owner'
sManual Vehicles with
anavigation system :the vehicl eisclose to aradio
telescope facility and is therefor eprohibited from transmittin gany
radar sig nals. The radar sensor system has switched off automat-
icall y(Ypage 380).
DISTRONI CPLUS (Y page 174) is deactivate dautomaticall yifitis
activated. Awarning ton ealso sounds.
Blin dSpotA ssist (Y page 208) or Ac tiveBlind Spo tAssist
(Y page 212) is deactivate dautomaticall yifitisactivated. The
yellow 9indicator lamps als olight up in the exterior mirrors.
BAS PLU S(Brake Assis tPLUS) (Y page 62) and PRE-SAFE ®
Brake
(Y page 66) are then also no tavailable.
X Drive on.
Once yo uhave moved far enough awa yfrom th eradio telescope,
the above function sare avai lable again. 272
Display messagesOn-board computer and displays

Problem Possible causes/consequences and
M Solutions
J
The red brake system
warnin
glamp comes on
while the engine is run-
ning. Awarning tone
also sounds. G
Risk of accident
There is insufficient brake fluid in the fluid reservoir.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Apply the electric parking brake.
X Consult aqualified specialist worksho pimmediately.
X Observe th eadditiona ldisplay messages in the multifunction
display.
Do not top up the brake fluid. This does not correct the error. !
The yello
wABS warning
lamp is lit while the
engine is running. G
Risk of accident
ABS (Anti-lock Brake System) has bee ndeactivated due to afault.
For this reason, BAS (Brake Assist), BAS PLUS, ESP ®
(Electronic
Stability Program), PRE-SAFE ®
,P RE-SAFE ®
Brake, the HOL Dfunc-
tion, hill start assist, the adaptive brake lights and ESP ®
trailer
stabilisation are also deactivated, for example.
The brake system continues to function normally, but without the
functions listed above. The wheel scould therefor elock if you
brake hard ,for example.
ATTENTION ASSIS Tisdeactivated.
X Observ ethe additiona ldispla ymessages in the multifunction
display.
X Drive on carefully.
X Visit aqualified specialist workshop.
If the ABS control unit is faulty, there is also apossibility that other
systems, such as the navigation system or the automatic trans-
mission ,will not be available. 286
Warning and indicator lamp
sinthe instrument clusterOn-board compute rand displays

24-G
Hzradar sensor system (country overview)
The 24 GHz radar sensor sys temr equir esseparat eapproval fo reach coun try. Whe nyou are
dri ving in acoun tryinw hichthe ra dar sensor system is no tapproved, you must deacti vate
the syste musing the on-boar dcompu ter( Ypage 24 9).T he curren tcountry over view can be
obtain ed fromaMercedes-Benz Ser vice Centre.
Vehicles with anavigation system: the radar sensor system is deactivated automatically
near radio tele scope facilities.
The currently active systems ar eautom atically deactivated:
R DISTRONIC PLUS (Y page174)
R Blind Spo tAssist (Y page 208)
R Activ eBlind Spot Assist(Y page212)
R PRE-SAFE ®
Brake (Y page45)
Ad isplay message appears in the multifunction display to tell you that the radar sensor system
is being switched off (Y page 272).
BA SP LUS (Y page 62) is then also unavailable.
If th edeactiva tion does not occur automatically ,you must deactiva tethe radar sensor system
using the on-board computer (Y page 249).
Vehicles withou tnavi gation and vehicles for Australia: you must deactivate the radar
sensor system using the on-bo ardc omputer when you are near aradio telescop efacility
(Y page 249). Country Radio telescope
facilities Geographical latitude and
longitude Distance to be
maintained
from the facility Egypt – – –
Andorra – – –
Australia Parkes 32°59'59
"S,14 8°1 5'44" E 10 km
Narrabri 30°18'52" S,149°32'56" E 10 km
Canberra 35°23'54" S,148°58'40" E 3km
Western Australia 26°3
7'13"S,117°30'40" E 10 km
Bahrain – – –
Belgium – – –
Bosnia-Herzego-
vina – – –
Bulgaria – – –
Den
mark – – –
Germany Effelsberg 50°31'32" N, 06°53'00" E 6.5 km380
24-GHz radar sensor syste
m(countr yoverview)Technica ldata