Yes.
It is fairly simple. I did this about 2 to 3 months ago. Search the SL forum for my user name. I started the thread asking about my battery dying and causing all kinds of problems.

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Thank You!
Fred
2009 ML350
2004 SL600
2004 SL500
1996 SL600
2002 SLK32
2005 CLK320 cabrio
2003 ML350
1997 C280 Sport