388 Operation
Maintenance
Calling up the maintenance service 
indicator display
You can call up the maintenance service in-
dicator display at any time to check when 
the next maintenance service is due.
Switch on the ignition (page 40).
Press buttonè orÿ on the mul-
tifunction steering wheel repeatedly 
until the standard display appears in 
the multifunction display (
page 154).
Press buttonk orj until the 
maintenance service indicator display 
with the service symbol9 and the 
service deadline appears in the multi-
function display.Resetting the maintenance service 
indicator 
In the event that the maintenance service 
on your vehicle is not carried out by an 
authorized Mercedes-Benz Light Truck 
Center, you can have the maintenance 
service indicator reset. The automotive 
maintenance facility carrying out the 
maintenance service will find the informa-
tion for resetting the maintenance service 
indicator in the maintenance-relevant 
information for your vehicle. Such informa-
tion is available from any authorized 
Mercedes-Benz Light Truck Center or di-
rectly from Mercedes-Benz.
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 dead-
line, you will need to subtract these days from 
the days shown in the maintenance service indi-
cator message or maintenance service indicator 
display.
Do not confuse the maintenance service indica-
tor with the engine oil level indicatorN.
!If the maintenance service indicator was 
inadvertently reset, have an authorized 
Mercedes-Benz Light Truck Center correct it.
Only reset if the proper maintenance service has 
been performed. Resetting the system without 
performing the proper service as called for by 
the maintenance service indicator will result in 
engine damage and/or other vehicle damage not 
covered by the Mercedes-Benz Limited 
Warranty.