2003 Mercedes Benz c320 4matic...got the p0430 code Catalyst System Efficiency Below Threshold (Bank 2)...which side is bank 2? I have left hand drive by the way.

Asked by Nov 16, 2014 at 01:35 AM about the 2003 Mercedes-Benz C-Class 4 Dr C320 4MATIC AWD Sedan

Question type: Maintenance & Repair

3 Answers

31,315

Passenger side.

31,315

Oh and change all 4 O2 sensors. Bin there done that.

I'm hearing from other people that bank 2 is the driver side. and is bank 2 the rear cat?

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