DTC P0170: Self-Adjustment Of Mixture Formation, Right Cylinder Bank, To Threshold Limit Value Of Me-SFI Control Module (N3/10): Notes
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 Mercedes-Benz ML320, 2002 Mercedes-Benz E320, 2002 Mercedes-Benz CLK320, 2001 Mercedes-Benz ML320, and 2001 Mercedes-Benz E320. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
DTC may set because of self-adjustment of "partial load" or "idling" mixture formation.