GF00.20-P-0003-01Q Active Service System (ASSYST) Operating Instructions, Resetting
GF00.20-P-0003-01Q Active Service System (ASSYST) Operating Instructions, Resetting
- MODEL 203 with ENGINE 271 as of 1.6.05, 272, 642 up to Model Year 08 /AEJ 07
15.03.07 The document has been updated to this date and will no longer be subject to revision.
Multifunction steering wheel controls
S110s1 Scroll forward/back button
S110s3 System selection button
S111s1 + and -, specific function setting and volume control button
S111s3 Accept/terminate phone call button
General information
The Active Service System (ASSYST) is operated using the instrument illumination rheostat and reset button (A1r1) on the instrument cluster (A1), which is located on the left side of the instrument cluster (A1), and using the scroll forward/back button (S110s1) and the system selection button (S110s3) of the multifunction steering wheel.
Service indicator can be called up by driver
A function requirement is that the transmitter key (A8/1) is set to position "circuit 15R ON", "circuit 15 ON" or that the vehicle is driving. The driver must observe the following procedure to display the service indicator:
- Press the system selection button (S110s3) repeatedly until the multifunction display (A1p13) shows the basic display (total and trip odometer) (only necessary if basic display is not yet shown)
- Press the scroll forward/back button (S110s1) until the service symbol and the current remaining distance, remaining time or service exceeded are displayed.
Display engine-oil level
A function requirement is that the transmitter key (A8/1) is set to position "circuit 15 ON".
The following procedure is required to display the engine oil level:
- Press the system selection button (S110s3) repeatedly until the multifunction display (A1p13) shows the basic display (total and trip odometer) (only necessary if basic display is not yet shown)
- Press the forward and backward scroll pushbutton (S110s1) repeatedly until the multifunction display (A1p13) displays the oil can symbol and the "Engine oil level measurement in progress!" message. "Measurement is correct only when vehicle is on level ground" is displayed
- If the vehicle is not level, cancel the measurement by pressing the system selection button (S110s3) again within 3 s.
- If the measurement is not canceled, after approximately 3 s the message "Engine oil level measurement is running" is displayed followed by the current oil level message. If the vehicle is not on level ground during a measurement, faulty measurements may occur.
Resetting ASSYST after an oil change (oil-change reset) on instrument cluster (A1)
A function requirement is that the transmitter key (A8/1) is set to position "circuit 15R ON".
The following procedure is required to reset the ASSYST:
- Press the system selection pushbutton (S110s3) until the multifunction display (A1p13) shows the default image (total and trip recorder). This is only necessary if the basic display is not yet shown.
- Press the scroll forward/back button (S110s1) repeatedly until the service symbol and the current remaining distance, remaining time or service exceeded are displayed.
- Press the instrument illumination rheostat and reset button (A1r1) on the instrument cluster (A1) for approx. 3 s until the "To reset, press reset button for 3 sec." message appears in the multifunction display (A1p13).
- Press the instrument illumination rheostat and reset button (A1r1) again within t = 5 s.
- "Service interval was reset" is displayed.
- The current "Remaining distance" in kilometers or miles appears in the multifunction display (A1p13).
Reset ASSYST (oil change reset) only after changing the oil. The oil change reset should be carried out using STAR DIAGNOSIS if possible.
An inadvertently conducted oil change reset can only be revoked using STAR DIAGNOSIS.