300SD (140.134) L6-3.5L DSL Turbo (603.971) (1993)
Maintenance Required Lamp/Indicator: Service and Repair
GF00.20-P-0003-01B Active Service System (ASSYST) Operating Notes
Displaying remaining distance, remaining time or service exceeded when vehicle stationary or when driving on driver request:
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Wake-up instrument cluster.
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Start switch in position "2" or driving.
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Operate reset button for trip counter twice within 1 s: the current remaining distance, the current remaining time or the current service exceeded
appears.
Resetting ASSYST after oil change (oil change reset) at instrument cluster:
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Move start switch into position "2".
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Within the first 4 s after moving start switch into position "2": press reset button for trip counter twice within one second. The display for the
service request is thus activated for 10 s.
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Within these 10 s move start switch into position "0". The service request continues to be displayed.
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Press reset button for trip counter and hold pressed.
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Move start switch into position "2".
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Continue to hold reset button for trip counter pressed (about 10 s) until the signal sounds and the new start distance appears in the display.