Will using a certain oil help my engine to make more power?. SL Petrol Convertible 65 AMG Black Series 5980cc 493KW 670HP M 275.983 (2008 - 2012). Generally, no. Full synthetic oils last longer than semi-synthetics or mineral oils, so although they may cost more in the first place, a full synthetic can work out as a cheaper option in the long run.
