Shell Helix Ultra ECT C2/C3’s fully synthetic formulation uses Shell’s most advanced emissions-compatible technology to help gasoline engine exhaust catalysts and keep diesel particulate filters clean and protects it from ash build-up that can block the exhaust system and lead to reduced engine performance. Shell Helix Ultra ECT C2/C3 can be used for modern gasoline engines, diesel engines with particulate filters and gas engines. Shell Helix Ultra ECT C2/C3 0W-30 is suitable for use in vehicles currently using SAE 5W-30 or 10W-30 grades, providing enhanced engine protection and fuel economy – applicable where an API SN or ACEA C2 / C3 oil is required Specifications, Approvals & Recommendations ACEA C2/C3 API SN VW 504.00/507.00 MB-Approval 229.52, 229.51, 229.31 Fiat 9.55535-GS1, 9.55535-DS1 (meets requirements, not be used for Fiat SDE 1.3L Euro 6 engines.) Porsche C30   The product specifications listed above may vary from time to time and may not all be available for sale in the United Kingdom. To obtain a specific recommendation for your vehicle from our UK products.