1Applicable Models: Power window switch is replacement for Benz CLS500 W219 2004 to 2006, replacement for Benz CLS55 Amg W219 2006, and replacement for Benz E320 W211 2003 to 2009. 2OE Number: The part numbers of reference are A2118213679, and 2118213679, please confirm whether it is consistent with the OE you need. 3Protection Role: Repair the original switch failure in time to avoid the safety hazards caused by poorly closed windows, and protect the entire window motor and other appurtenances to further extend the service life of the electrical equipment. 4Premium Material: Driver side power window switch is made of high grade material with good durability and excellent properties such as dust, water, and high temperature reliability. 5Easy Installation: Comply with Oem specifications to ensure that the shape and function match the original vehicle, perfect replacement without additional modifications are required.