Dimension match: Shares identical outer size with car rear trunk latch; fits tightly without gaps after installation. For W251 W164 A1647400435 A1647400735 1647400335 Lock Mechanism Tailgate Boot Lid Reliable locking structure secures your belongings well during daily commutes and long travels. Excellent sealing and locking effect, keeps dust, rain and dirt out of the trunk compartment. Material stability: Constructed with metal and plastic parts, resists rust and deformation in daily use., Manufacturer: HLWXMDZ