Date registered: Sep 2006
Vehicle: 2004 CLK 240 Coupe
Location: Norfolk. UK
Mentioned: 10 Post(s)
Quoted: 356 Post(s)
Hi - please use the UserCP above ^^^^ to add your location/ride which often helps.
Regarding sources, I'm in UK so probably cannot help if you are in the US.
About compatibility, I believe that the two cars you listed do use the same part. See this drawing which details all the 209 engines that are applicable. CLK 320 uses a 112.9, and CLK 430 uses a 113.9
#1 fan shroud, #2 bolt, #3 fan wheel, #4 bolts, #5 bolts, #6 wiring
#M4/7 Engine & AC electric suction fan with integrated control.