I'll post for doing it.

mine was a slug when I bought it, and a slight twist of the alda made a HUGE improvement. Yeah, milage is down a little. But come on, isnt it worth it?

Just be really careful you dont break it, and make very small adjustments, driving it a few miles between each to make sure before doing anything else.

Sixto's advice is also great.

Oh yeah, keep a log of the adjustments, so you can go back to original if need be!

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Paul
2004 E500 4matic; 72,000mi