Superior protection against sludge

Castrol GTX 5W-30 C4 is specially developed to protect your engine against the buildup of sludge, a thick, tar-like substance that can accumulate in the engine and negatively affect performance. Thanks to its advanced formula, this oil removes existing sludge and prevents the formation of new deposits, keeping your engine cleaner and more efficient for longer.

Suitable for specific engines

This engine oil is ideal for both petrol and diesel engines for which the manufacturer recommends an ACEA C4 specification with a viscosity of 5W-30. It is particularly suitable for:

• Renault vehicles that require a lubricant with the RN 0720 specification.
• Mercedes-Benz vehicles that meet MB-Approval 226.51.

Benefits of Castrol GTX 5W-30 C4

• Superior protection against sludge: Helps keep your engine clean and extends its lifespan.
• Enhanced protection against thermal breakdown: Resists high temperatures and prevents oil degradation.
• High-quality base oils and anti-wear additives: Reduce wear and ensure a longer engine life.
• Helps reduce oil consumption: Efficient lubrication reduces oil usage.

Specifications and approvals

• ACEA C4
• MB-Approval 226.51
• Renault RN 0720

Applications

Castrol GTX 5W-30 C4 is designed for use in cars where the manufacturer recommends an engine oil with ACEA C4 specification and a viscosity of 5W-30. It is particularly suitable for certain models of Renault and Mercedes-Benz, as mentioned above.

Why choose Castrol GTX 5W-30 C4?

With more than 50 years of experience in engine oil development, Castrol GTX offers a reliable solution for protecting your engine against harmful deposits and wear. By choosing Castrol GTX 5W-30 C4, you ensure optimal performance and a longer engine life.