I changed the fan clutch on my 350 and did not pull the radiator. Just remove the fan shroud and take the fan blade off first. (I think I took the fan blade off first, have slept since then.)

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1995 S-350
370K + SOLD
1952 220B Cabriolet
39K kilometers + SOLD
1998 E300D
310K +
2012 E350 BlueTec
120K