That’s the Michelin Pilot Sport 4 S Acoustic, Mercedes-AMG specification.
- with internal sound-absorbing foam to reduce tyre cavity noise inside the cabin.
- MO1: Mercedes-AMG-approved version, not Tesla-specific.
- 103: load capacity of 875 kg per tyre under specified conditions.
- (Y): capability above 300 km/h, subject to Michelin’s limits.
- XL: Extra Load construction.