The GL450, part of the X164 generation, represents a full-size luxury SUV designed for affluent families seeking a blend of opulent comfort, robust capability, and advanced engineering. Introduced for the 2007 model year, this vehicle exemplifies a commitment to luxury appointments, featuring premium interior materials, sophisticated design, and a powerful 4.6L V8 engine delivering 335 horsepower. Its spacious interior offers three-row seating and ample cargo space, making it a versatile choice for both daily commuting and family adventures, further enhanced by the available 4MATIC all-wheel drive and a 7,000 lb towing capacity. This comprehensive owner's manual provides essential information for operating and maintaining your 2008 GL450. Covering vehicle systems, features, and basic maintenance, this guide details everything from powertrain and chassis operations to electrical systems and interior controls. You will find instructions on routine maintenance procedures, understanding warning indicators, and utilizing the vehicle's various technologies and safety features. With an estimated 400-500 pages of factory-original, searchable content, this manual serves as an invaluable resource for owners and technicians alike to ensure the continued performance and longevity of the vehicle.