These Plastic Speaker Spacers make it a breeze to replace your factory speakers.

Made from Hard plastic, with predrilled holes for you new speakers

The speaker Spacers come as a pair 

To Suit 165mm Speakers - Front

This product is also known to work in the following vehicles:

Mercedes C-Class 2000-2004 W203
Mercedes C-Class 2004-2006 W203
Mercedes CLC 2008-2011 CL203
Mercedes CLK 2000-2004
Mercedes CLK 2005-2008