How many are required for each side?

Where do they fit ?

How can I tell if my car already has them ?

Link to the following for relevant discussion on another forum:

http://www.benzworld.org/forums/w210-e-class/1457623-camber-bolts-e320-1996-a.html

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1985 190E - Gone
1989 230E - Gone
1995 C200 - Gone
1993 280E 120000KM - Built like a brick, the best one yet