Liqui Moly Special Tec V 0W-20

Worth knowing

The two Liqui Moly oils with the letter V in the name meet different Volvo requirements. This 0W-20 has the Volvo VCC RBS0-2AE approval, ACEA C5, ash of no more than 0.8 % and TBN 8.5 mg KOH/g, while Special Tec V 0W-30 has the Volvo VCC 95200377 approval, ACEA A7 and B7, ash of 1.2 % and TBN 12 mg KOH/g. They share no code, so the letter in the name settles nothing; the number in the car’s documentation decides.

The brand lists RBS0-2AE only here, even though Top Tec 6200, Top Tec 6400 and Top Tec 6310 all have ACEA C5 at this viscosity, each with its own codes from other carmakers. Top Tec 6600 0W-20 claims a different Volvo standard, VCC C6SP, and does not list RBS0-2AE; this oil, conversely, has neither C6SP nor class C6. According to the overview of current ACEA classes, C5 is intended only for engines designed for such a viscosity and approved for it by the manufacturer; the HTHS in the data sheet, at least 2.6 mPa·s, sits at the lower limit of this class.