Why don't more people just remove the radiator when doing this? Radiators are about the easiest thing to remove on most cars. especially if you are draining it anyway to remove the water pump. 5 min and its out of your way for good.

Honestly though I haven't done it on a W210 yet. But i doubt it takes very long. I'll have to try it now

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What Would Rudolph Do?
1975 300D, 1975 240D, 1985 300SD, 1997 300D, 2005 E320 , 2006 Toyota Prius