I have a 2007 GL 450, and the dash indicates: "ABS, ESP Inoperative" and my cruise control does not work. I scanned it with an iCarsoft scanner, and I get the following: (i) Code 7266 - Speedtronic occasionally nonfunctional, and (ii) Code 5967 - Power Supply High Pressure Pump.

I am a novice, so not exactly sure what to make of these codes or what should be replaced? Any advice?

Thanks in advance.