Defer dog,
Maximum range cruise categorically is well above max L/D ratio speed. This speed (with very Minor adjustment) is more representative of Max Endurance / Best angle of climb / Minimum rate and angle of descent during OEI DRIFT-down.
Max range cruise occurs on the conventional drag curve at the point of tangency to the curve drawn from the 0/0 origin. In head and tail wind conditions, the 0/0 origin moves left/right in direct relationship to tailwind/headwind (in that order). Whilst on the subject, don't let any jerk convince you that MRC is at or below Mcrit, it's always above at normal operating levels, but EAS defined below the CAS/Mach changeover level.