Summer tyre tyre width 205 mm tyre cross section 55 rim diameter 16 inch speed rating v up to 149 mph rolling resistance c wet grip b noise emission 68 db noise classification nc 1 runflat rim protector sipe asymmetrical tread listed since 13122011 0923 rim protection marking fp mfs fr fl fsl ml rpb tyre size required 20555 r16 erstausrstung mercedes