Does anyone out there have access to a W140 Shop Manual? I need to know the overall height, overall outer diameter, wire diameter, and spring rate of both the standard and heavy duty W140 rear springs for a non-SLS car. I'm thinking of replacing the rear SLS in my W123 300TD with shocks and springs and wondering if W140 springs might be a good candidate.

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99 E300 Turbodiesel 100k