Looking to rekindle the romance from its iconic racing cars of the 1950s, Mercedes-Benz joined forces with McLaren for the first time outside of their Formula 1 relationship to create the SLR McLaren. Under its hood was a 616 bhp version of the supercharged 5.4-liter V-8 that Mercedes-Benz’s AMG division shoehorned into cars such as the SL 55 and CL 55, albeit highly modified. The engine was revised to use dry-sump lubrication, 
a Lysholm-type twin-screw supercharger, and a pair of intercoolers.