The part in detail:

Part A2044010502 , 7- Twin-Spoke Light-Alloy Wheel

Type:7- Twin-Spoke Light-Alloy Wheel

 MB 7-twin-spoke light-alloy wheel 7,5J x 17 ET 47 (225/45 R17)

C-class / W 204 (03/07 - )
C-class / S 204 (12/07 - ) 

 17' 7-TWIN-SPOKE LIGHT ALLOY WHEEL
FRONT AXLE ONLY
225/45 R17 ON 7.5J X 17 ET 47
FINISH: TITANIUM SILVER
OPTIONAL EXTRA FOR ALL LINES
NOT FOR C 63 AMG, NOT FOR 4MATIC WITH MIXED-SIZED TYRES.

Price: £219.16