Well my worst fear has finally come true... my kickdown has broken. For the past week or so it has not been clicking properly or at all, but still shifting atleast. Today I went to floor it and it would not shift down! Once I got to my destination, I noticed the black plastic peice had fallen off.... so I put it back on, but it would not stay. That is why it is temporarily Scotch taped on (desperate, I know). Is working ok for the time being though, albeit lack of resistance/pressure at kickdown.
Anyway, I have the part number for a new kickdown switch ($28), does anyone know how easy it is to change?
Thanks.

(I don't think it broke because of real over use, but because sometimes I just jam on it with all my force!)

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2003 E500 Brilliant Silver, 48,000 miles!
03 CLK 500 cab

Previous:
1999 S420
2000 C230k Sport sedan
2001 CLK320 Cabrio
1995 C280 (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)