caps

Afternoon everyone... Yesterday when leaving the office as soon as I started my C320 (57 Plate) the check engine light stayed on - its currently amber (I think it turns to red for more serious issues). There are no messages in the menu and the car starts, drives and stops fine. I'm trying...

Hi guys, I bought some 16 rims for my W202 and was today to put them on. The rear rims was fitted ok but the front ones had some problem. The problem is that on the front I can't put the center caps on, cos the black thing I've circled doesn't let them to fit. Can something be done for this...