RN1704V DISC ROTOR NiBK JNBK NIBK FRONT FOR MERCEDES-BENZ A 164 421 05 12 MERCEDES-BENZ A 164 421 14 12 MERCEDES-BENZ A 166 421 07 12BECAUSE OF THE COMPLEXITY OF BRAKE SYSTEMS IF YOU ARE NOT SURE ABOUT THE ITEM YOU ARE CHOOSING ! THEN EMAIL THE FOLLOWING INFO TO US, TO INVESTIGATE ALL INFO IS REQUIRED, IF YOU DONT, THEN WE WILL JUST DELETE YOUR EMAIL. A) 17 DIGIT VIN NUMBER B) YEAR MODEL + ENGINE SIZE C) ANY OTHER PERTINENT INFOMATION THIS ITEM IS 1 BRAKE DISC ROTOR (1 WHEEL) AND COULD BE FRONT OR REAR (READ DESCRIPTION) **BUT MINIMUM PURCHASE OF THIS ITEM IS 2** Specifications