Top speed boost and “reassuring” rear end key gains for Mercedes W15 F1 car

As the covers came off the squad’s new challenger at Silverstone on Wednesday, the scale of its design revamp was clear with an all-new chassis and a raft of aerodynamic changes on display.

But beyond the obvious visual differences, Allison said the key area of attention had been addressing the unpredictable rear end characteristics of its previous ground effect cars, which left Lewis Hamilton and George Russell uncomfortable at times.

“A…