This comprehensive service and repair manual is specifically designed for the 2010 Mercedes R-Class (W251) and covers all models and repairs. It provides the same detailed information used by technicians at authorized dealerships to maintain, service, diagnose, and repair your vehicle.

The manual includes complete step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications, empowering you to confidently tackle any repair. You'll find everything you need to perform a wide array of maintenance and repair tasks, from routine servicing to complex component replacements.

The manual covers a wide range of systems, including:

* **Engine:** Provides detailed information on engine operation, diagnostics, and repair procedures for all engine variants.
* **Control System:** Covers the electronic control units (ECUs) and related systems that govern various vehicle functions.
* **Mechanical:** Explains the operation and repair of mechanical components like the transmission, suspension, brakes, and steering system.
* **Fuel Service Specifications:** Includes details on fuel system components, specifications, and troubleshooting.
* **Emission Control:** Covers the emission control systems, their operation, and diagnostic procedures.
* **Intake Exhaust Cooling:** Provides information on the intake and exhaust systems, including cooling components.
* **Lube:** Covers lubrication systems, including oil changes, filter replacements, and fluid specifications.
* **Ignition Starting Charging:** Detailed information on the ignition, starting, and charging systems, including troubleshooting procedures.
* **Auto Transmission Clutch:** Explains the operation and repair of automatic transmissions.
* **Manual Transmission:** Covers manual transmissions, including troubleshooting and repair procedures.
* **Transfer Propeller Shaft:** Provides details on transfer cases, propeller shafts, and associated components.
* **Drive Shaft:** Covers drive shafts, including inspection, repair, and replacement.
* **Differential:** Explains differentials and their operation, including repair procedures.
* **Axle Suspension:** Covers the suspension system, including components, inspection, and repair.
* **Tire & Wheel:** Details on tires and wheels, including recommended specifications, inspection, and replacement.
* **Brake Control:** Covers the brake control system, including ABS and electronic brake assist.
* **Brake:** Explains the operation and repair of the brake system, including calipers, rotors, and pads.
* **Parking Brake:** Provides information on the parking brake system, including adjustments and repairs.
* **Steering Column:** Covers the steering column, including components, inspection, and repair.
* **Power Steering:** Explains the power steering system, including fluid levels, diagnostics, and repairs.
* **Air Condition:** Details on the air conditioning system, including operation, troubleshooting, and refrigerant charging.
* **Suppl Restraint System:** Covers the supplemental restraint system (SRS), including airbags and seatbelts.
* **Seat Belt:** Provides information on seatbelts, including inspections, adjustments, and repairs.
* **Engine Immobilizer:** Explains the engine immobilizer system and its operation.
* **Cruise Control:** Covers cruise control systems, including operation, adjustments, and repairs.
* **Wiper & Washer:** Details on the windshield wiper and washer systems, including components and repairs.
* **Door Lock:** Explains door locks, including electronic locks, and repair procedures.
* **Meter Audio/Visual:** Covers the instrument cluster and audio/visual systems, including diagnostics and repairs.
* **Horn:** Provides information on the horn system, including operation, troubleshooting, and repairs.
* **Windshield/Glass Mirror:** Details on windshields, windows, and mirrors, including replacement procedures.
* **Instrument Panel:** Explains the instrument panel, including components and repairs.
* **Seat:** Covers seats, including adjustments, repairs, and replacement.
* **Engine Hood/Door:** Provides information on the engine hood, doors, and associated components.
* **Exterior & Interior:** Details on exterior and interior components, including trim, lighting, and upholstery.
* **Electrical:** Covers the electrical system, including wiring diagrams and troubleshooting procedures.
* **Multiplex/Can Communication:** Explains multiplex and CAN communication systems, including diagnostics.

This comprehensive manual will be your trusted resource for servicing and repairing your 2010 Mercedes R-Class (W251).

The 2010 Mercedes-Benz R-Class (W251) stands as a unique and ambitious offering from the German luxury automaker. Positioned as a crossover SUV with a distinct blend of spaciousness, versatility, and premium comfort, the R-Class aimed to carve out a niche for itself in a rapidly evolving automotive landscape. Its design, characterized by a wagon-like body with three rows of seating, provided a compelling alternative to traditional SUVs, offering a more car-like driving experience while retaining ample cargo capacity. The R-Class was available in a range of configurations, including petrol and diesel engine options, as well as rear-wheel drive and 4MATIC all-wheel drive systems. Notably, the R-Class featured Mercedes-Benz’s signature commitment to safety and luxury, boasting advanced technologies such as the PRE-SAFE system and an expansive list of comfort and convenience features.

Inside the R-Class cabin, passengers were greeted by a sophisticated environment, with high-quality materials, meticulous craftsmanship, and ample space for up to seven adults. The second-row seats could be configured in various ways to accommodate different seating arrangements and cargo needs, while the third row offered additional passenger capacity or could be folded flat to maximize cargo volume. However, despite its innovative design and advanced features, the R-Class faced challenges in gaining widespread popularity. The car's unconventional styling and high price point ultimately proved to be hurdles, and its production ceased in 2017. Nonetheless, the R-Class remains a testament to Mercedes-Benz's boldness in exploring new automotive concepts and its unwavering dedication to providing a premium driving experience. As a result, the 2010 R-Class continues to attract enthusiasts seeking a blend of luxury, practicality, and unique design, making this service and repair manual an invaluable resource for maintaining and preserving this distinctive vehicle.