🏷️ Basic Information Identification Make: Mercedes-Benz Model: CLS-Class Trim: CLS 550 Year: 2012 Generation Generation Code: C218 Generation Years: 2011-2018 👋 Introduction Market Position Market Position: The 2012 CLS-Class represents Mercedes-Benz's interpretation of a four-door coupe, blending sleek, aerodynamic styling with luxury and performance, targeting affluent buyers seeking a distinctive and sophisticated vehicle. Competitive Analysis Competitive Analysis: Competes with other premium four-door coupes and high-end luxury sedans, such as the BMW 6 Series Gran Coupe (later models), Audi A7, and Porsche Panamera, emphasizing design, technology, and brand prestige. Key Features Key Features: Distinctive 'CLS-Class' silhouette, powerful V8 bi-turbo engine, advanced driver assistance systems, luxurious interior appointments, available 4MATIC all-wheel drive, AIRMATIC air suspension. 📋 Manual Details Coverage Areas Coverage Areas: Introduction, Driver and Passenger Safety, Instruments and Controls, Comfort and Convenience Features, Operation Tips, Appearance Care, Taking Care of the Unexpected, Technical Information, Warranty and Customer Relations, Entertainment Systems, Climate Controls, Lights, Driver Controls, Locks and Security, Seating and Safety Restraints, Driving, Customer Assistance, Reporting Safety Defects (U.S. Only), Cleaning, Engine Compartment, Engine Oil, Battery Fuel Information, Air Filter(s), Part Numbers, Refill Capacities, Lubricant Specifications, Accessories, Service Information and Specifications, Maintenance Information and Specifications. Page Count Page Count: Estimated 500+ pages (typical for a comprehensive Mercedes-Benz owner's manual) Manual Type Manual Type: Owner's Manual Language Language: English Format Format: Digital PDF 📖 Manual Coverage Systems Covered Systems Covered: Engine (M278 V8 Bi-Turbo), Transmission (7G-TRONIC PLUS), Drivetrain (RWD/4MATIC), Suspension (AIRMATIC), Brakes (ABS, ESP, BAS), Steering, Electrical System, Lighting, Climate Control (THERMATIC/THERMOTRONIC), Infotainment (COMAND APS), Safety Systems (Airbags, Seatbelt Pre-tensioners, PRE-SAFE®), Security (Keyless-Go, Immobilizer). Procedures Included Procedures Included: Normal operation, comfort features adjustment, dashboard indicators and warnings, maintenance checks (fluid levels, tire pressure), basic troubleshooting, emergency procedures, key fob operation, starter battery jump-starting, tire changing, fuel information, cleaning and care of interior and exterior, operation of entertainment systems, climate control settings, lighting controls, driver assistance system functions, lock and security system settings, seat and restraint system adjustments, driving techniques, customer assistance contact information. Technical Depth Technical Depth: Comprehensive owner-level information, including operation, features, basic maintenance, and troubleshooting. Does not include detailed repair procedures or diagnostic codes typical of a factory service manual. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-resolution, suitable for digital viewing and printing. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: M278 Engine Type: 4.7L V8 Bi-Turbocharged Performance Horsepower: 402 hp @ 5,000-5,500 rpm Torque: 443 lb-ft @ 1,700-3,500 rpm Fuel System Fuel System: Direct Injection with Twin Turbochargers Engine Oil Oil Type Specification: MB 229.5 or MB 229.51 (e.g., Mobil 1 ESP Formula 5W-30) Oil Capacity Quarts: 8.5 quarts (with filter) Air Filter Air Filter Part Numbers: Commonly A2780940004 (check specific VIN for exact fitment) 🔧 Transmission Standard Transmission Type: 7G-TRONIC PLUS Automatic Optional Drivetrain: 4MATIC All-Wheel Drive Features Transmission Features: Driver-selectable modes (Comfort, Sport), Manual shift mode with paddle shifters. Fluid Specifications Transmission Fluid Type: MB 236.14 (e.g., Pentosin ATF 134) Transmission Fluid Capacity Quarts: Approximately 9-10 quarts (for complete fluid change, not just drain and fill) 📐 Dimensions Exterior Length Inches: 197.4 inches Width Inches: 73.7 inches Height Inches: 56.4 inches Wheelbase Inches: 113.2 inches Weights Curb Weight Lbs: RWD: ~4,233 lbs / 4MATIC: ~4,365 lbs Cargo Trunk Capacity Cubic Feet: 15.7 cubic feet 🛡️ Safety Features Ratings NHTSA Rating: Likely received 5-star ratings in its tested categories (refer to specific NHTSA reports for definitive data) Active Features Active Safety Features: Anti-lock Braking System (ABS), Electronic Stability Program (ESP), Brake Assist System (BAS), Adaptive Brake Lights, Tire Pressure Monitoring System (TPMS). Passive Features Passive Safety Features: Multiple airbags (front, side, curtain), front seatbelt pretensioners, PRE-SAFE® system, crumple zones, reinforced passenger cabin. Driver Assistance Driver Assistance Features: Optional: DISTRONIC PLUS (Adaptive Cruise Control), ATTENTION ASSIST, Lane Keeping Assist, Blind Spot Assist, Parking Assist (PARKTRONIC). 💡 Technology Features Infotainment Infotainment System: COMAND APS (Cockpit Management and Navigation). Infotainment Features: AM/FM radio, CD/DVD changer, SD card slot, USB interface, Bluetooth connectivity, navigation system, Harman Kardon® surround sound system (optional). Driver Assistance Driver Assistance Systems: Standard: PARKTRONIC (parking sensors), rearview camera (optional). Available: DISTRONIC PLUS, Active Lane Keeping Assist, Active Blind Spot Assist, PRE-SAFE® PLUS. Connectivity Connectivity Features: Bluetooth for hands-free calling and audio streaming. Mercedes-Benz Apps (limited availability in 2012 models). 🔧 Maintenance Service Intervals Service A Interval Miles: Approximately 10,000 miles or 1 year (whichever comes first), indicated by the 'Service A' message on the dashboard. Service B Interval Miles: Approximately 20,000 miles or 2 years (whichever comes first), indicated by the 'Service B' message. Fluid Specifications Coolant Type: Mercedes-Benz Specification 325.0 or 326.0 (e.g., Zerex G-05) Brake Fluid Type: DOT 4 Plus (MB 331.0) Power Steering Fluid Type: MB 343.0 (Pentosin CHF 11S or equivalent) Known Issues Known Issues:...