M276 NA High Pressure Fuel Replacement Pump Steps and Required Resets- Help Please

I followed this video how to get to, and remove the pump: I have just performed the PCV Valve parts replacement, which is a major pain in the neck requiring the partial removal of the High Pressure Fuel Pump. Unfortunately, my GLK350 (M276 NA) will not start immediately after "finishing" work. The engine turns over, and even seems to spark for a second, but never idles. I have a feeling I am missing a step for either resetting a fuel cut-off... M276 NA High Pressure Fuel Replacement Pump Steps and Required Resets- Help Please

I followed this video how to get to, and remove the pump:

I have just performed the PCV Valve parts replacement, which is a major pain in the neck requiring the partial removal of the High Pressure Fuel Pump. Unfortunately, my GLK350 (M276 NA) will not start immediately after "finishing" work. The engine turns over, and even seems to spark for a second, but never idles. I have a feeling I am missing a step for either resetting a fuel cut-off...

M276 NA High Pressure Fuel Replacement Pump Steps and Required Resets- Help Please

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