1. Completely replace the old or the bad one 2. Made of high-quality materials, durable and reliable in use 3. Correct connector, no cutting or splicing 4. Easy and direct installation. Specification: Replaces Part nunber: 211 821 0058 Applicable chassis: W211 Chrome number : A2118213679 A2118219951 A2118210951 Applications: 2006 For - CLS 500 Base 50L V8 - Gas 2006 For - CLS 55 AMG Base 55L V8 - Gas 2006 For - E 320 CDI 32L L6 - crude oil 2005 For - E 320 4Matic, Base, CDI 32L L6 - crude oil, 32L V6 - Gas 2004 For - E 320 4Matic, Base 32L V6 - Gas 2003 For - E 320 Base 32L V6 - Gas 2007-2011 For - CLS 550 Base 55L V8 - Gas 2007-2011 For - CLS 63 AMG Base 63L V8 - Gas 2007-2009 For - E 320 Bluetec 30L V6 - crude oil 2006-2009 For - E 350 4Matic, Base 35L V6 - Gas 2004-2006 For - E 500 4Matic, Base 50L V8 - Gas 2003-2006 For - E 55 AMG Base 55L V8 - Gas 2007-2009 For - E 550 4Matic, Base 55L V8 - Gas 2007-2009 For - E 63 AMG Base 63L V8 - Gas Black number : A2118213579 A2118210058 Style: with Chrome colour: black Material: ABSandPC size: 145x54mm Package Contents: 1 x Window switch Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.