LT Sport SN#100000001022-224 for Mercedes-Benz Top Roof Rack Aerodynamic Cross Bar Cargo Carrier Kit Fit 78-11 Mercedes-Benz Packing Included: Set of two Aluminum Roof Rack Simple and Easy Installation. Install & Remove in Minutes. Adjustable Clamps for Desirable Length. Professional Install is always requested: Caution: This item only fit vehicle roof rail tower distance is not over 49" (124.46cm). Does Not Fit Flush Roof Rails.