Calibrating the compass
 Make sure that there is 
sufficient space for 
you to drive in a circle without impeding the 
remaining traffic.
 Make sure that there is 
sufficient space for 
you to drive in a circle without impeding the 
remaining traffic.
In order to calibrate the compass correctly, 
observe the following points:
• calibrate the compass in the open and not 
in the vicinity of steel constructions or highvoltage 
transmission lines.
• switch off electrical consumers, for 
example, the climate control, windshield 
wipers or rear window defroster.
• close all doors and the trunk lid.
 Switch the ignition on.
 Switch the ignition on.
 Press a round pin into opening 3 
for approximately six seconds 
until the C symbol appears in compass 
display 2.
 Press a round pin into opening 3 
for approximately six seconds 
until the C symbol appears in compass 
display 2.
 Drive a full circle at 
approximately 3 mph 
(5 km/h) to 6 mph (10 km/h).
 Drive a full circle at 
approximately 3 mph 
(5 km/h) to 6 mph (10 km/h).
Once the calibration has been successfully 
completed, the current direction appears in 
compass display 2.
See also:
Panic alarm
   
•►  To activate: press  
button 1 for at 
least one second.
An alarm sounds and the exterior lighting 
flashes.
•► To deactivate: press  
button 1 
again.
 
or
 
•► Inse ...
   
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   The radio type approval number and the frequency range for the garage door opener 
can be found on the Internet at:
http://www.mercedes-benz.de/betriebsanleitung. ...
   
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