https://www.google.com/search?q=problems+with+2008+gl+320+cdi&oq=problems+with+2008+gl+320+cdi&aqs=chrome..69i57.10344j0j7&sourceid=chrome&ie=UTF-8
BUT! That's a V-6 Common Rail.
Do not be mislead the Original CDI's in N.A. were INLINE sixes.(Only MY 2005 and 2006 in the W211 chassis)
The V-6 is another whole universe of difficulties...