I don't know why ya'll are talking about this alledged radiator-neck-breaks-off problem.

I personally spoke to the Mercedes-Benz customer service people at the 800-number and they swore that they knew of no such problem at all. And besides, they said, if it broke at over 100,000 miles, well, what did I expect?

I said that I expected, since it was not a moving part, for it not to ever break. Then I asked if I should expect my wheels, for example, to fall apart because they also have over 100,000 miles.

I thought they were quite arrogant, actually.

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2012 E350
2006 Callaway SC560