S 600 (140.057) V12-6.0L (120.982) (1998)
Maintenance Required Lamp/Indicator: Description and Operation
ASSYST (Active Service System)
Active Service System (ASSYST) Display Facilities
The table shows a number of possible types of displays of the active service system for different vehicles and different instrument clusters.
(The display appears in the language set with the HHT under national code.)
Active Service System (ASSYST) Function
General
The "Active service system (ASSYST)" draws the attention of the driver to a service which is due.
ASSYST is a demand-activated engine oil service system. In other words, in addition to the pure time and distance criterion, various factors are taken
into account for calculating the demand-oriented service intervals. These are on the one hand quality factors which are coded with the HHT, and on the