This comprehensive 1997 Mercedes S-Class W140 C140 Service and Repair Manual provides detailed instructions, diagrams, and specifications for all models and repairs. This manual is the same one used by Mercedes technicians at dealerships to maintain, service, diagnose, and repair your vehicle.

You will find complete step-by-step instructions, illustrations, wiring schematics, and specifications for every aspect of your vehicle. From basic maintenance procedures to complex engine repairs, this manual has you covered.

The manual includes detailed information on:

* **Maintenance:** Regular maintenance schedules, fluid specifications, and component replacement guidelines.
* **Engine:** Engine specifications, operation, troubleshooting, and repair procedures for all engine components.
* **Control System:** Detailed information on the engine control system, including sensors, actuators, and diagnostic procedures.
* **Mechanical:** Comprehensive coverage of mechanical systems, including transmission, suspension, steering, brakes, and drivetrain components.
* **Fuel Service Specifications:** Information on fuel system components, fuel injection systems, and fuel delivery procedures.
* **Emission Control:** Guidance on emission control systems, including catalytic converters, oxygen sensors, and EVAP systems.
* **Intake Exhaust Cooling:** Detailed explanations on intake and exhaust manifolds, cooling systems, and related components.
* **Lube:** Specifications and procedures for lubrication systems, including oil changes, filter replacement, and lubrication points.
* **Ignition Starting Charging:** Information on ignition systems, starting systems, charging systems, and related components.
* **Auto Transmission Clutch:** Comprehensive information on automatic transmissions, including operation, troubleshooting, and repair procedures for clutches, gearboxes, and hydraulic systems.
* **Manual Transmission:** Detailed information on manual transmissions, including operation, troubleshooting, and repair procedures for gearboxes, synchromesh, and shift mechanisms.
* **Transfer Propeller Shaft:** Guidance on transfer cases, propeller shafts, and related components.
* **Drive Shaft:** Specifications and procedures for drive shafts, universal joints, and related components.
* **Differential:** Detailed information on differentials, including operation, troubleshooting, and repair procedures for gears, axles, and bearings.
* **Axle Suspension:** Comprehensive coverage of axles, suspension systems, including components, geometry, and repair procedures.
* **Tire & Wheel:** Information on tire sizes, wheel specifications, and procedures for tire maintenance and replacement.
* **Brake Control:** Detailed explanation of brake control systems, including ABS, EBD, and brake booster systems.
* **Brake:** Information on brake system components, including calipers, rotors, pads, and hydraulic systems.
* **Parking Brake:** Specifications and procedures for parking brake systems.
* **Steering Column:** Detailed information on steering columns, including components, operation, and repair procedures.
* **Power Steering:** Information on power steering systems, including components, operation, and troubleshooting.
* **Air Condition:** Comprehensive coverage of air conditioning systems, including components, operation, and repair procedures.
* **Suppl Restraint System:** Information on supplemental restraint systems (SRS), including airbags, seatbelt pretensioners, and related sensors.
* **Seat Belt:** Specifications and procedures for seatbelts, including adjustments, replacement, and safety features.
* **Engine Immobilizer:** Detailed information on engine immobilizer systems, including operation and troubleshooting.
* **Cruise Control:** Information on cruise control systems, including components, operation, and troubleshooting.
* **Wiper & Washer:** Specifications and procedures for windshield wiper and washer systems.
* **Door Lock:** Detailed information on door lock systems, including components, operation, and troubleshooting.
* **Meter Audio/Visual:** Information on instrument clusters, gauges, and audio/visual systems.
* **Horn:** Specifications and procedures for horn systems.
* **Windshield/Glass Mirror:** Guidance on windshield and glass replacement, mirror adjustments, and related components.
* **Instrument Panel:** Detailed information on instrument panels, including components and repair procedures.
* **Seat:** Specifications and procedures for seat adjustments, replacement, and related components.
* **Engine Hood/ Door:** Information on engine hood and door components, including hinges, latches, and seals.
* **Exterior & Interior:** Comprehensive coverage of exterior and interior components, including trim, upholstery, and lighting.
* **Electrical:** Detailed information on electrical systems, including wiring diagrams, troubleshooting, and repair procedures.
* **Multiplex/ Can Communication:** Information on multiplex and CAN communication systems, including network operation and diagnostics.

This manual empowers you to understand and maintain your Mercedes S-Class W140 C140, saving you time and money on repair costs.

The 1997 Mercedes-Benz S-Class W140 C140 is a testament to German engineering and luxury at its finest. This flagship sedan, produced from 1991 to 1998, was a symbol of opulence and technological advancement. The W140 chassis code designated the long wheelbase model, while the C140 denoted the coupe variant. Known for its massive size and imposing presence, the S-Class W140 was a technological marvel for its time. It boasted innovations like active suspension, electronic stability control, and a sophisticated climate control system with individual temperature zones. The S-Class W140 was available with a wide range of powerful engines, including V8s and a powerful V12, delivering both smooth acceleration and effortless cruising. The interior was equally luxurious, featuring premium leather upholstery, wood trim, and advanced electronics.

The 1997 model year saw several refinements, including updated styling, improved interior materials, and enhanced safety features. Despite its size and weight, the S-Class W140 handled surprisingly well thanks to its advanced suspension and precise steering. However, its hefty weight and complex technology also contributed to a reputation for higher maintenance costs and potential reliability issues. Nonetheless, the 1997 Mercedes-Benz S-Class W140 remains a highly sought-after classic, appreciated for its timeless design, luxurious amenities, and enduring engineering. Owning one is a testament to a discerning taste and a desire for the epitome of refined automotive luxury. The service and repair manual for this car is an essential tool for any owner or mechanic, providing in-depth information on the vehicle's systems and components, ensuring proper maintenance and troubleshooting.