The 600 SEC, chassis code C140, represents a pinnacle of automotive engineering from 1993, embodying the brand's commitment to luxury, performance, and advanced technology. As a flagship coupe, it was designed to offer an unparalleled driving experience, featuring a powerful 6.0L V12 engine (M120) producing approximately 389 horsepower and 420 lb-ft of torque. Notable features include its sophisticated Adaptive Damping System (ADS), spacious and meticulously crafted interior, and distinctive coupe styling. This model stood as a testament to the heritage of building robust and technically advanced vehicles, competing with other luxury coupes of its era. This comprehensive service and repair manual is designed to assist owners, mechanics, and technicians in maintaining and repairing the 1993 600 SEC. It covers a wide array of critical systems, including detailed procedures for engine overhaul, automatic transmission maintenance, suspension component inspection, brake system servicing, and electrical system diagnostics. The manual provides in-depth guidance on routine maintenance, such as oil and filter changes, fluid level checks, and filter replacements, as well as more complex repair tasks involving component disassembly and reassembly. Troubleshooting and diagnostic information is also included, ensuring that users can effectively identify and resolve issues across the vehicle's mechanical and electrical systems.