"Almost" but not quite approaching the VooDoo that is Propeller Selection for
modern outboards.
[Disclaimer: Y'all do realize the Non-Mercedes "Big Tire Chain Stores" do not have the "Spreader Bar"
necessary for proper alignment? SOME Independents do.]There is also a "Special" Round Nosed bolt
that is used to temporarily "Lock" the steering gear in "Dead Ahead" position whilst Aligning.]
Generally the chain stores have no idea how to properly align Mercedes.
(I'm referring to the rear suspension here,I do note y'all have been working on the front.It has it's own
Vagaries and Quirks.)
GSXR has been through IT ALL and kindly details for us the ins and outs:
http://www.w124performance.com/images/W124_suspension/124_coil_spring_specs.pdf
Y'all will find his "Website" the W124 Owner's Bible:
W124 Performance