HIGHTEC SYNT RS HC-C4 5W-30 is a premium low-viscosity engine oil based on advanced HC-synthetic technology. It is formulated for modern petrol and diesel cars, with or without turbocharging, and is perfectly suited to vehicles with diesel particulate filters. The low-SAPS C4 design delivers reliable protection with maximum filter compatibility.

Purpose and specifications

This oil is intended for current passenger-car engines that require a low-SAPS C3/C4 fluid, in particular Renault and Mercedes-Benz models with DPF systems. It meets ACEA C3 and ACEA C4, and carries the approvals Renault RN0720, MB 229.51 and MB 226.51.

• 5L container suited to a complete oil change
• Smooth 5W-30 flow ensures confident cold starts near -30 C and a stable film above 100 C
• Low-SAPS C4 chemistry offers maximum protection for particulate filters while guarding against wear
• Low-friction formulation reduces drag and supports lower fuel consumption

When to use / change?

Choose it where the manufacturer specifies an ACEA C4 low-ash oil, especially Renault and Mercedes-Benz engines with particulate filters. Replace the oil in line with the service schedule, typically every 15,000 km to 30,000 km or once a year, whichever comes first. It operates dependably across an ambient range of roughly -30 C to +40 C. Stored unopened in a cool, dry place, shelf life is approximately 5 years.

Frequently asked questions

Is this oil approved for Renault engines?
Yes. It carries the Renault RN0720 approval covering modern Renault petrol and diesel engines that require a C4 oil.

What is the difference between C3 and C4?
C4 is a low-SAPS grade with even lower ash content than C3, offering enhanced protection for sensitive particulate filter systems.

Can I use it in a Mercedes-Benz?
Yes, where the maker specifies MB 229.51 or MB 226.51, which this oil meets.

Suitable for: Renault Clio, Renault Megane, Renault Captur, Mercedes-Benz A-Class, Mercedes-Benz E-Class, Dacia Duster. Always verify the exact approval against your vehicle's owner manual before use.