Downloaded from www.Manualslib.com manuals search engine • If tll ly . 
s i
de.  n 
ch a ng ed  manu al-
is  t
oo low. 
I lo  ded more heavily  on one 
• If tile wh el  on  one axle  are  loaded  more 
heav ily.  e .g . high  load  level. 
• If snow chains  h ve  been  fitted. 
• If a te mper ry  spare  wheel  ha s  been  fitted. 
• If one wheel per axle  has  been  changed . 
In certain  circumsta nces.  the  tyre  monitor  dis-
play W may become  slow or may not display  any thing, e .g . with  a sporty  driv ing  style.  in winter  driving condit ions , on  unpaved  roads, or when  driving 
w ith snow chains . 
Calibrating 
the tyre monitor display 
The tyre monitor  display will have to be  re-ca librated after changing  the tyre  pressure . or after 
c h anging one  or more wheels. Th is  also applies when wheels  are swapped,  e.g . from  the front  to the rear. 
-
• Switch  on the  ignition . 
• Open the Tyre monitor display menu option  in the  infotai nment system display ~page 31. 
• Touch  the @ID function  button . 
• If all 4 wheels  are  se t to  the  correct va lues, 
t o uc h the (Co nfirm ) function  button to store  the tyre 
p ressu re s. 
• To uc hing the (cancel) button w ill prevent the cu r
rent  tyre pressures  from being  stored  and  the system will n ot  be  cali brated . 
During  normal  ve hi cle  operation , the 
system cali
br ates  itse lf independently  to the  the  fitted  tyres 
and  the tyre  pressures  filled by the 
driver. The cali
brated  values  are accepted  and monitored after a 
l ong  journey  at vari ous  speeds . 
If the wheels are loaded  more heavily than normal, 
e .g . if  the  veh icle is  ca rrying  hea vy  payload,  the 
tyre  press ure  must  be  rais ed to the  r
ecommended full-load tyre  pressure  before calibration =>page 308. 
l:l The  tyre monitor  dis play  stops working  if W the re is a malfunction  in  the ESC or ASS =>page 179 . 
l:l When  using snow chains , an  incorre ct  disL!J play  may  be shown  as the snow chains  in-
crease  the tyre  circumference .  
Driver assist systems 255