Would these rims fit my 2003 C230K?

Size :

17 x 7

Bolt pattern :

4 X 100 & 4 X 114.3

Width :
7"
Offset :
+40
Hub Size :
73

Llip Size :
1"

Lug Count :
1"

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also, I would like to know how to tell if rims fit, so I can determine it on my own... What measurements matter? etc.

 

I'm sure you've already had this question answered but no those won't fit. your bolt pattern is 5x112 with a 32 front offfset and 35 rear.