Italian Engineering. Mercedes OE-Certified Acoustic UHP. The Pirelli P Zero (265/40R21 105H XL) is an elite Ultra-High Performance summer tyre engineered for uncompromising sports-car handling, blistering grip, and supreme braking performance. Manufactured with official MO-S (Mercedes Original Silent) homologation, integrated KSncs elt (Noise Cancelling System) acoustic foam, and guaranteed as a fresh Year 2026 (Y26) batch, it is custom-tuned to absorb internal cavity drone for a whisper-quiet luxury ride. Built with a reinforced Extra Load (105) carcass, this 265/40R21 configuration is the definitive luxury performance upgrade for high-powered Mercedes-Benz vehicles like the GLC 63 AMG, GLE, and EQE / EQS SUV. Enjoy completely transparent pricing and professional installation at TyresOnline.sg.