The
5W/30 Helix page (grey can) says ACEA C3; API SN
The
10W/40 Helix page (blue can) says ACEA A3/B3, A3/B4, JASO SG+
The handbook p143 says:
Petrol engines 10W/40 ACEA A2 (ACEA A1 for 1.8 engine)
Diesel engines 10W/40 or 15W/40 meeting both ACEA A3 and B3
Page 143