The 1997 Mercedes-Benz SL320, identified by the R129 chassis code, represents a pinnacle of luxury grand touring and sports roadster engineering. As part of the R129 Facelift generation, this model builds upon a legacy of automotive innovation, offering a sophisticated blend of performance and comfort. Key features include a power-operated retractable soft top, an optional hardtop, and advanced safety systems such as the automatic deploying Roll-Over Protection System (ROPS) and Anti-lock Braking System (ABS). Powered by a naturally aspirated 3.2-liter inline-six engine producing 228 horsepower and 232 lb-ft of torque, and paired with the 5-speed automatic 722.6 '5G-Tronic' transmission, the SL320 delivers a refined driving experience. Its renowned build quality and high-grade materials underscore its position as a desirable vehicle for discerning owners. This comprehensive Service and Repair Manual provides detailed guidance for the 1997 and 1998 Mercedes-Benz SL320 (All Models). With over 1000 pages of information, it covers all essential aspects of the vehicle, including routine maintenance, mechanical repairs, and electrical diagnostics. The manual details procedures for the powertrain, chassis, body, and electrical systems, offering step-by-step instructions, torque specifications, and special tool requirements. It is designed to empower owners and technicians by facilitating efficient maintenance, accurate troubleshooting, and effective repair of all major vehicle systems, ultimately aiding in the preservation and optimal performance of the SL320.