115 Flexible service system
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index The service indicator disappears automatically after 
30 seconds or if buttonJon the instrument cluster is 
pressed.
Calling up service indicator manually:
Turn the electronic key in steering lock to position 
1or2.
Call up the trip odometer and main odometer by 
pressing button è or ÿ on the multifunction 
steering wheel until the display appears. See page 96.
Press button j or k until the FSS indicator 
appears. 
Pressing the è or ÿ button displays the next or 
previous system.
Important!
The FSS indicator is not an engine oil level indicator. 
See page 117 for engine oil level indicator.Note:
When disconnecting vehicle battery for one or more 
days at a time, such days will not be counted. Any such 
days not counted by the FSS can be added by your 
Mercedes-Benz Center. 
The interval between services is determined by the type 
of driving for which the vehicle is used. For example, 
driving at extreme speeds, and cold starts combined 
with short distance driving in which the engine does not 
reach operating normal temperature, reduce the interval 
between services.