Mercedes is upgrading the SL with new V6 and V8 engines and revisions to the V12. The SL500 now has a 383bhp 5.5-litre V8 that helps drop the 0-62mph sprint to 5.4sec. The new V6 in the SL350 rustles up 268bhp.
Puncture-proof airless tyres are on the horizon, but they won’t work on performance cars
Airless tyre technology developed by the likes of Goodyear, Michelin and Bridgestone could see use in autonomous vehicles and public transport in the …