one option would be the sportline upgrade.it has larger sway bars,lower springs.
i think it's offered here at mercedesShop.com i don't know what your budget on this project is. from what i understand it GREATLY improves handling as well as lowering the car about a 1/4".
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*1992 300e
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*clear turns
*white/grey blue guts
*98 Explorer
*goodrich all terrains