Theoretically you can twist off the back using a watch case opener, but the one I am working on right now seems so old and corroded, it won't twist off. You do have to take out the strap pins and remove the band from the watch to twist off the back.
On top of the battery
17x7" on the CL type S
The 2007 Mercedes-Benz CL-Class has a 5.5 L base engine size.
The 2004 Mercedes-Benz CL-Class has a 5.0 L base engine size.
The 2013 Mercedes-Benz CL-Class has a 4.7 L base engine size.
The 2009 Mercedes-Benz CL-Class has a 5.5 L base engine size.
The 2001 Mercedes-Benz CL-Class has a 5.0 L base engine size.
The 2010 Mercedes-Benz CL-Class has a 5.5 L base engine size.
The 2005 Mercedes-Benz CL-Class has a 5.0 L base engine size.
The 2014 Mercedes-Benz CL-Class has a 4.7 L base engine size.
The 2011 Mercedes-Benz CL-Class has a 4.7 L base engine size.