343 Operation
Maintenance
Clearing the maintenance service indicator
The maintenance service indicator is 
automatically cleared
after 30 seconds when you switch on 
the ignition or when reaching the main-
tenance service threshold while driving
after 30 seconds, once the suggested 
maintenance service term has passed
You can also clear it yourself.
1Reset button
Press reset button 1 on the 
instrument cluster.
Maintenance service term exceeded
If you have exceeded the suggested 
maintenance service term, you will see the 
following message in the multifunction 
display:Service A exceeded by XXXXX miles 
(km)
Service A exceeded by XXX days
Service A exceeded by X dayIn addition, a signal sounds when the 
message appears.
Any authorized Mercedes-Benz Center will 
reset the maintenance service indicator 
following a completed maintenance 
service.Calling up the maintenance service 
indicator
Switch on the ignition (
page 36).
The standard display of the control sys-
tem appears (
page 133).
Press buttonkorjon the mul-
tifunction steering wheel until the 
maintenance service indicator with the 
service symbol9or´and the 
service deadline appears in the 
multifunction display.iIf the battery is disconnected, the days 
of disconnection will not be included in 
the count shown by the maintenance 
service indicator. To arrive at the true 
maintenance service deadline, you will 
need to subtract these days from the 
days shown in the maintenance service 
indicator.
Do not confuse the maintenance 
service indicator with the engine oil 
level indicator :.