Saturday, October 31, 2020

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 643


Warning!Communication with ECU required.



0779



The signal of the oxygen sensor upstream of the catalytic converter of the left cylinder bank is shifted towards 'Lean'. (P2197)



Possible cause:



- Check exhaust system for leaks.



Affected functions:



- Power generation



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



Test 1: Check exhaust system for leaks.



1. Check exhaust system for leaks.



Warning!Communication with ECU required.



0780



The signal of the oxygen sensor upstream of the catalytic converter of the left cylinder bank is shifted towards 'Rich'. (P2198)



Possible cause:



- Check exhaust system for leaks.



Affected functions:



- Power generation



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



Test 1: Check exhaust system for leaks.



1. Check exhaust system for leaks.



Warning!Communication with ECU required.