Ford 2011 C-Max Owner's Handbook Manual page 217

Variant
Vehicles with a
diesel engine
Vehicles with a
petrol engine
1.6L Duratorq-TDCi
(DV) Diesel
2.0L Duratorq-TDCi
(DW) Diesel
Vehicles with a
petrol engine
1.6L Duratorq-TDCi
(DV) Diesel
2.0L Duratorq-TDCi
(DW) Diesel
Wheels and tyres
Tyre size Front
bar (psi)
215/55 R 16 2.4 (35)
215/50 R 17 2.3 (33)
215/50 R 17 2.3 (33)
215/50 R 17 2.5 (36)
235/40 R 18 2.3 (33)
235/40 R 18 2.1 (31)
235/40 R 18 2.5 (36)
215
Normal load
Rear
bar (psi)
2.3 (33)
2.3 (33)
2.3 (33)
2.3 (33)
2.1 (31)
2.1 (31)
2.1 (31)
Full load
Front Rear
bar (psi) bar (psi)
2.6 (38) 3 (44)
2.7 (39) 3.1 (45)
2.7 (39) 3.1 (45)
2.7 (39) 3.1 (45)
2.7 (39) 3.2 (46)
2.7 (39) 3.2 (46)
2.7 (39) 3.2 (46)