M12 x 1.50 is the lug specs for this truck. Remember to use torque sticks to put the lugs on so you don't Couse damage to the rotors or wheels.
what are specs for the 2003 C230 lug nut size
Tighten in a star pattern to 95 ft/lbs.
140ft. LBs Factory specs.
6 on 5.5
6 5.5
5 on 114.3mm or 5 on 4.5in
40-60
100 Ft. lbs.
80ft lbs
100 lb/ft.
100 ft lbs
325 ft. lbs