Just spoke to 2 dealers and MBUSA-camber adjusting bolts were standard equipment on W124s; W210 cars needed such parts to be installed.
Looks like I simply need to find a more competent alignment shop!
"If everything seems under control, you're simply not going fast enough" --Mario Andretti
1995 E500 street car
1986 Porsche 944 Turbo S track car