18" w204 amg alloys 7 spoke

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The hen

Active Member
Joined
Jan 4, 2016
Messages
129
Location
ireland
Car
2012 c250 sport amg
I'm buying a set of used 18" 7 spoke w204 alloys tomorrow to replace my 17" ones. most of the sets i've seen for sale have a wider rear alloy but also a lower depth tyre, for example fronts are mostly 225/40/R18 and the rear are 255/35/R18. why the higher tyre on the front. probably a stupid question so hopefully someone will explain.
 
The hen said:
I'm buying a set of used 18" 7 spoke w204 alloys tomorrow to replace my 17" ones. most of the sets i've seen for sale have a wider rear alloy but also a lower depth tyre, for example fronts are mostly 225/40/R18 and the rear are 255/35/R18. why the higher tyre on the front. probably a stupid question so hopefully someone will explain.
The percentage .i.e 40 represents a tyre wall height 40% of 225 = 90 so 35% of 255 = 89.25 therefore tyre height back to front is nearly identical. Hope this helps
 
the sets are more than likely off a sport model. Ive got a C220 CDI Sport and thats whats on mine.
 
I suspect it's also because the rear rims are wider than the front (staggered set-up), maybe 7.5J front and 8J rear, hence the wider rear tyre.
 

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