The 2008 Mercedes GL-Class (X164) Service and Repair Manual offers a comprehensive guide to maintaining, servicing, diagnosing, and repairing your vehicle. This manual is the same one used by technicians at Mercedes dealerships, providing you with the most accurate and detailed information available.

This manual includes step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications for all aspects of your GL-Class. It covers everything from basic maintenance like oil changes and tire rotations to more complex repairs involving the engine, transmission, suspension, brakes, electrical system, and more.

You'll find detailed information on:

* **Maintenance:** Routine maintenance procedures, schedules, and specifications.
* **Engine:** Detailed information on the engine, including performance, tuning, fuel systems, emissions control, and repairs.
* **Control Systems:** Explanation and troubleshooting procedures for all control systems, including engine management, transmission, and ABS.
* **Mechanical:** In-depth coverage of mechanical components like the transmission, drivetrain, suspension, brakes, and steering.
* **Fuel Service Specifications:** Technical data on fuel systems, including specifications, troubleshooting, and repair procedures.
* **Emission Control:** Comprehensive information on emissions systems, including diagnostics and repair.
* **Intake Exhaust Cooling:** Detailed information on the intake and exhaust systems, including cooling systems.
* **Lube:** Specifications and procedures for lubrication and fluids.
* **Ignition Starting Charging:** Detailed explanations of ignition, starting, and charging systems, including troubleshooting and repairs.
* **Auto Transmission Clutch:** Information on automatic transmission systems, including operation, repair, and troubleshooting.
* **Manual Transmission:** Information on manual transmission systems, including operation, repair, and troubleshooting.
* **Transfer Propeller Shaft:** Explanations and procedures for the transfer case, propeller shaft, and driveshaft.
* **Drive Shaft:** Information on drive shafts, including installation, removal, and repair.
* **Differential:** Technical information on differentials, including operation, repair, and troubleshooting.
* **Axle Suspension:** Details on axles and suspension systems, including components, repair, and maintenance.
* **Tire & Wheel:** Information on tires and wheels, including specifications, installation, and repairs.
* **Brake Control:** Explanations and procedures for brake control systems.
* **Brake:** Detailed information on brakes, including components, repair, and maintenance.
* **Parking Brake:** Technical information on parking brake systems, including operation, repair, and troubleshooting.
* **Steering Column:** Details on the steering column, including components, repair, and maintenance.
* **Power Steering:** Information on power steering systems, including operation, repair, and troubleshooting.
* **Air Condition:** Explanations and procedures for air conditioning systems, including operation, repair, and maintenance.
* **Suppl Restraint System:** Comprehensive information on supplemental restraint systems, including airbags and seatbelts.
* **Seat Belt:** Detailed information on seatbelt systems, including operation, repair, and troubleshooting.
* **Engine Immobilizer:** Explanations and procedures for engine immobilizer systems.
* **Cruise Control:** Information on cruise control systems, including operation, repair, and troubleshooting.
* **Wiper & Washer:** Explanations and procedures for wiper and washer systems, including operation, repair, and maintenance.
* **Door Lock:** Information on door locks, including operation, repair, and troubleshooting.
* **Meter Audio/Visual:** Details on instrument clusters and audio/visual systems, including operation, repair, and troubleshooting.
* **Horn:** Explanations and procedures for horn systems.
* **Windshield/Glass Mirror:** Information on windshields, glass, and mirrors, including replacement and repair.
* **Instrument Panel:** Details on the instrument panel, including components, repair, and maintenance.
* **Seat:** Information on seats, including operation, repair, and adjustments.
* **Engine Hood/ Door:** Information on engine hoods and doors, including operation, repair, and maintenance.
* **Exterior & Interior:** Technical information on exterior and interior components, including trim, body panels, and upholstery.
* **Electrical:** Comprehensive information on electrical systems, including wiring diagrams, troubleshooting, and repairs.
* **Multiplex/ Can Communication:** Explanations and procedures for multiplex and CAN communication systems.

This manual is your one-stop resource for all your Mercedes GL-Class service and repair needs, enabling you to confidently tackle a wide range of repairs and maintenance tasks.

The 2008 Mercedes-Benz GL-Class (X164) was a full-size luxury SUV that marked a significant step forward for the German automaker in the burgeoning SUV market. Introduced in 2006, the X164 generation of the GL-Class built upon the success of the earlier M-Class, offering a more spacious and luxurious experience with a focus on off-road capability. The 2008 model year saw refinement across the board, including updated styling, enhanced interior appointments, and improved powertrain options. The exterior design was characterized by its bold lines, muscular proportions, and signature Mercedes grille. It showcased a spacious and versatile interior, with three rows of seats capable of accommodating up to seven passengers, making it ideal for both family adventures and corporate transportation. The GL-Class also featured a comprehensive suite of safety features, including multiple airbags, electronic stability control, and a suite of driver assistance technologies.

Further expanding on its off-road capabilities, the 2008 model year offered optional air suspension with adjustable ride height, allowing drivers to conquer challenging terrain while seamlessly transitioning to a comfortable ride on paved roads. The powertrain options ranged from potent V8 petrol engines, featuring the 5.5-liter naturally aspirated V8, producing around 382 hp, to a powerful diesel V8, offering a balance of performance and efficiency. The GL-Class's robust build and sophisticated engineering were complemented by its luxurious interior, featuring high-quality materials, comfortable seating, and a comprehensive infotainment system. This combination of luxury, performance, and functionality made the 2008 Mercedes-Benz GL-Class (X164) a compelling choice for discerning drivers seeking a capable and sophisticated SUV.