Tyres.co.uk has Michelin e.Primacy MO 235/60 R18 103W and Goodyear EfficientGrip 2 SUV 235/60 R18 107V XL for the Mercedes GLC-Class for the 2024 GLC 200 4MATIC on 18-inch factory-fitted wheels. Be sure to check routine maintenance specifications, wheel size and registration before ordering.
To find the Mercedes GLC-Class tyre sizes, refer to the door jamb sticker on the driver's side. This is visible when you open the door. You will need your manual to find the specifications. For the exact size, you will need to refer to the sidewall to find the load index and speed rating.
Replacement of tyres on GLC-Class models does not mean all four tyres are replaced at the same time. Replacements must be of the same type, make and size on each axle, and the factory staggered sets must remain pairs. 4MATIC models require replacement of all four tyres as an even wear on the tyres will still mean that the other three will need to be replaced. When replacing the tyres on one axle, the rear axle will need to have new tyres replaced as well.