p2078

Hi all! On my way home last night my CLK (320 CDi V6) lost power, wouldn't rev over 2.5k rpm but otherwise ran fine. I was chasing a plastic Peugeot people carrier thing so it was embarrasing that I had to back off.. I just run a scan and I have codes: P1101, P1402, P2078, P2646. So it seems...