All H&R ETS modules are plug-and-play, with no wire cutting and splicing or mechanical wrenching necessary. This means that no modifications to your factory wire harness are required and the module looks like a factory installation. H&R ETS modules come with all the parts required for installation. The ETS unit is easily removed whenever you want to return your car back to factory specification.
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
2007-2011	Mercedes-Benz	CLS550	Base
2007-2011	Mercedes-Benz	CLS63 AMG	Base
2005-2006	Mercedes-Benz	E500	4Matic
2005-2006	Mercedes-Benz	E500	Base
2007-2009	Mercedes-Benz	E63 AMG	Base