The Mercedes-Benz GLS AMG can be judged for long-distance travel by looking at its space, output and running-efficiency figures together. Relevant information includes 2025 AMG GLS 63 4MATIC+: 5233 mm; 2025 AMG GLS 63 4MATIC+: 2157 mm; 2025 AMG GLS 63 4MATIC+: 1836 mm; 2025 AMG GLS 63 4MATIC+: 612 Ps; 2025 AMG GLS 63 4MATIC+: 450 kW; 1 more variants. For owners, long-distance comfort is about more than one number: a stable footprint, enough performance for overtaking and sensible energy use all make highway trips easier to live with.