Gallery · Source reviewMercedes R129 SL5001991 Mercedes R129 SL500 recommissioningscottejupiter brings an SL500 with inoperative roof hydraulics back into use, progressing through basic service, rebuilding twelve cylinders, replacing the fabric top and tallying the growing cost.Mercedes-BenzSLR129Chassis: R129Variant: SL500Topics in the accountRoof hydraulicsmbworld · scottejupiter