The data indicates that all sampled Mercedes-Benz SL-Class Coupe Convertibles from 2022 onwards are equipped with a 4.0-liter V8 Biturbo engine, highlighting a consistent engine specification across this model. Additionally, the entire sample uses petrol as the primary fuel type, reflecting that this high-performance vehicle predominantly relies on petrol rather than alternative fuels. This uniformity suggests a focus on powerful engine performance within this model range.