The power-folding Vario hardtop is driven by a hydraulic pump and cylinders (pump located in the trunk) that leak with age, leaving oil in the trunk or cabin and eventually stopping roof operation. Owners advise servicing the top proactively; the cylinders can be rebuilt (shops like Top Hydraulics and Cabriolet Hydraulics are named), with the pump job cited around $2,500 at Mercedes versus far higher dealer horror quotes. …
Vario retractable hardtop hydraulics
Mercedes-Benz SL (R230) · mechanical