Friday, January 22, 2021

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 170


- Check the CAN communication with control unit N73 (EIS [EZS] control unit).



- Chassis CAN bus



Affected functions:



- Transmission mode selection



- Drive position selection



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Test 1: Check the CAN communication with control unit N73 (Electronic ignition lock control unit).



Test 2: Chassis CAN test



1. Check the CAN communication with control unit N73 (Electronic ignition lock control unit).



Test 1.1: Check the CAN communication with control unit N73 (Electronic ignition lock control unit).



1.1. Check the CAN communication with control unit N73 (Electronic ignition lock control unit).



Warning!Communication with ECU required.



2. Chassis CAN test



Warning!Communication with ECU required.



EU042300



Implausible data were received from the instrument cluster.



Possible cause:



- A1 (Instrument cluster)



Affected functions:



- Transmission mode selection



- Drive position selection



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Test 1: Chassis CAN test



Test 2: Remedial action in the event of implausible signals from control unit A1 (Instrument cluster)



1. Chassis CAN test



Warning!Communication with ECU required.



2. Remedial action in the event of implausible signals from control unit A1 (Instrument cluster)



Operation number of operation texts and work units or standard texts and flat rates:27-0641WARNING



- This is not a function error of control module N15/3 (ETC [EGS] control unit) and does not justify replacement.



Possible cause for the entry of this event code



- Operational fault of component A1 (Instrument cluster)



Possible measures



- Read out fault memory of control unit A1 (Instrument cluster).



- Process displayed fault codes in control module A1 (Instrument cluster).



End of test



EU042700



Implausible data was received from the electronic ignition switch.



Possible cause:



- N73 (Electronic ignition lock control unit)