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A. Shell Helix Ultra ECT C2/C3 0W-30 is designed for modern passenger car and light commercial vehicle engines requiring an ACEA C2 or C3 0W-30 lubricant, particularly diesel engines fitted with diesel particulate filters and Mercedes-Benz vehicles requiring MB 229.52.
A. API and ACEA are the universal lubricant performance standards every reputable oil meets. They are your baseline check — match the code your handbook specifies (e.g., API CI-4 or ACEA E7 for heavy-duty diesel) and the oil is technically suitable for your machine. Every oil on our site lists its API and ACEA classifications.
A. Shell Helix Ultra ECT C2/C3 0W-30 meets ACEA C2 and C3; and API SN.
A. Yes, Shell Helix Ultra ECT C2/C3 0W-30 carries Mercedes-Benz MB-Approval 229.52.
A. Yes, Shell Helix Ultra ECT C2/C3 0W-30 is a fully synthetic motor oil.
A. Yes, Shell Helix Ultra ECT C2/C3 0W-30 uses Shell's most advanced emissions-compatible technology that helps keep diesel particulate filters clean and protects them from ash build-up.
A. Both are mid-SAPS / low-SAPS classes for passenger cars. ACEA C2 has lower HTHS viscosity (≥2.9 mPa·s) and is suited to fuel-economy applications. ACEA C3 has higher HTHS viscosity (≥3.5 mPa·s) and is suited to more conventional applications, including most Mercedes-Benz MB 229.31/229.51 and BMW Longlife-04 oils.
A. An OEM Specification is the lubricant requirement set by a vehicle or equipment manufacturer (e.g., MB 228.3, VW 504.00). When an oil lists the code, the oil manufacturer has developed and tested it to meet the criteria the equipment manufacturer requires. Match the code in your handbook and you have a lubricant engineered for your machine.
A. An OEM Approval means the oil has been formally tested and signed off by the equipment manufacturer and listed on their official approved-products register (e.g., MB-Approval 228.3). An Approval confirms the oil is recognised by the equipment manufacturer for service use in their machines.
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