2025 G Wagon G63 Review. 45 years on, and the 2025 g63 is the plushest, most capable. Mechanically, the g 63 sees a couple of improvements for the 2025 model year, including quicker acceleration times thanks to the same hybrid 48v system as found on the.

Mechanically, the g 63 sees a couple of improvements for the 2025 model year, including quicker acceleration times thanks to the same hybrid 48v system as found on the. 45 years on, and the 2025 g63 is the plushest, most capable.