Thursday, December 10, 2020

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 590


0749



Self-adaptation of mixture formation for enrichment at idle for the left cylinder bank is above the permissible limit. (P0174)



Possible cause:



- Selfadaptation of mixture formation



Affected functions:



- Engine diagnosis



- Engine output



-------------------------------------------------



Test 1: Check self-adaptation of mixture formation. Left bank of cylinders



1. Check self-adaptation of mixture formation. Left bank of cylinders



Test sequence



- Check actual value Selfadaptation of mixture formation.



- Carry out the following tests.



Continue with button F2



Warning!Communication with ECU required.



0750



Self-adaptation of mixture formation for enleanment at idle for the left cylinder bank is below the permissible limit. (P0175)



Possible cause:



- Selfadaptation of mixture formation



Affected functions:



- Engine diagnosis



- Engine output



-------------------------------------------------



Test 1: Check self-adaptation of mixture formation. Left bank of cylinders



1. Check self-adaptation of mixture formation. Left bank of cylinders



Test sequence



- Check actual value Selfadaptation of mixture formation.



- Carry out the following tests.



Continue with button F2



Warning!Communication with ECU required.



0751



This fault can be ignored and erased.



Possible cause:



- This fault can be ignored and erased.