GL 550 (164.886) V8-5.5L (273.963) (2008)
Check whether the chassis number has been transferred correctly in the EIS (N73).
1. Use DAS/Xentry Diagnostics to access the menu "EZS/EIS / Control unit adaptations / Write VIN" and check that the chassis number is written
correctly (including upper and lower case letters).
2. Perform a "MOST ring restart" in the COMAND (A40/3) or Audio 50 APS (A2/56) with DAS/Xentry Diagnostics. The menu item "Restart optical
ring" can be found in DAS/Xentry Diagnostics under Audio, Video, Navigation and Telematics.
3. Erase the stored fault in the Audio 50 APS (A2/56) and COMAND (A40/3).
4. Perform initial startup of the COMAND (A40/3) or Audio 50 APS (A2/56) with DAS/Xentry Diagnostics.
Re. 5. b
b: Check whether CAN communication is functioning correctly at the COMAND (A40/3) or Audio 50 APS (A2/56). Perform a quick test to check other
control units for CAN faults and process these faults completely. Then perform initial startup of the COMAND (A40/3) or Audio 50 APS (A2/56) with
If there are no other CAN faults stored in other control units and the EZS/EIS control unit (N73) contains the correct chassis number, but the fault code
DA00 is still stored and current in the COMAND (A40/3) or Audio 50 APS (A2/56), please log the CAN-B as described in the attachment. Send the log
file to Service Engineering at this Fax Number" 201 573 4381
When an Audio 50 APS (A2/56) or COMAND APS (A40/3) with PIN theft protection is installed in a vehicle, the PIN code is automatically
redocumented in the VeDoc system (online) as of DAS version 11/09. After successful initial startup, please check whether the PIN has been
redocumented correctly in the VeDoc system.
Control unit/fault code