Did you order 126 or 116 springs? I've found that the 126 springs always sag, even with the 3-nub spacers. The 116 springs have a higher spring rate and will make the car sit with a slight rake with the 3-nub spacers, even on a longbody car like my 560SEL.

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Current stable:
1995 E320 157K (Nancy)
1983 500SL 125K (SLoL)

Gone but not forgotten:
1986 300SDL (RIP)
1991 350SD
1991 560SEL
1990 560SEL
1986 500SEL Euro (Rusted to nothing at 47K!)

Gone and wanting to forget:
1985 524TD 167K (TotalDumpster™) [Definitely NOT a Benz]