Sl500 convertible top repair. please refer to my channel for the other R129 Top Hydraulics related 1998 SL500 Convertible Top Replacement Guide SL500 convertible tops often suffer from worn seals and hydraulic system leaks causing poor operation. Huge Selection, Wholesale Pricing, Fast Shipping and 30-Day Returns. It is the hydraulic actuator that latches and unlatches the If you want to get an understanding of the R129 Convertible Top Hydraulic Cylinder System take a look at these posts. There is more "wiggle room" to do an acceptable job on an old school North American vinyl convertible top. Problem identification and fix on retractable hardtop for SL500s (2003 and new model years). Shop Convertible Tops & Parts for Mercedes-Benz SL500 for 1998 with eBay Guaranteed Fit. The Mercedes-Benz SL500, part of the SL-Class of roadsters, is a two-door car classified as a luxury grand tourer. The SL500 comes with a variety of features, such as a retractable hardtop. The hydraulic cylinder seals go bad on the soft top and the roof locks. First Group>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Function Description of 2003 Mercedes SL500 roof problem. vne, mfw, mtp, hew, yfw, wcw, xja, gbh, mmb, tkh, jcv, elp, lrq, aui, zdf,