Class:
Full-size Luxury SUV
Segment:
Premium SUV Segment
Key Competitors 2009:
BMW X5, Audi Q7, Lexus LX 570, Cadillac Escalade, Lincoln Navigator
Vehicle Attributes:
Spacious interior, advanced safety features, powerful engine options, off-road capability (4MATIC all-wheel drive), luxury appointments
Target Audience:
Owners, independent repair shops, DIY enthusiasts seeking genuine factory repair information
Unique Selling Point:
Vehicle-specific factory data, not generic; equivalent to dealer technician resources; comprehensive A-Z coverage
Print On Demand:
Ability to print specific pages or sections as needed for workshop use, avoiding damage to a primary manual.
Powertrain:
Engine (all variants), Control System, Fuel Service Specifications, Emission Control, Intake/Exhaust/Cooling, Lube, Ignition/Starting/Charging, Automatic Transmission, Clutch, Manual Transmission (if applicable), Transfer Case, Propeller Shaft, Drive Shaft, Differential, Axle
Chassis:
Suspension, Tire & Wheel, Brake Control, Brakes, Parking Brake, Steering Column, Power Steering
Electrical And Body:
Air Conditioning, Supplemental Restraint System (SRS), Seat Belt, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Lock, Meter/Audio/Visual, Horn, Windshield/Glass/Mirror, Instrument Panel, Seats, Engine Hood/Door, Exterior & Interior, Electrical Systems, Multiplex/CAN Communication
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, inspections
Diagnostics:
Troubleshooting guides, diagnostic trouble codes (DTCs), component testing
Repair And Rebuild:
Step-by-step instructions for component removal, installation, and overhaul
Depth:
Factory-level detail, including torque specifications, clearances, electrical schematics, and detailed diagrams for complete repair and diagnosis
Electrical Diagrams:
Includes comprehensive wiring schematics for all vehicle electrical systems.
Torque Specs:
Detailed torque specifications for all fasteners and critical components.
Compatibility:
Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac OS
Requirements:
Adobe PDF Reader, WinZip (free online)
Searchability:
Searchable PDF content allows for quick access to specific information.
Printable:
Yes (all pages printable, allows for enlarged image printing)
Binding:
Digital (PDF) - No physical binding
Paper:
N/A (Digital format)
Navigation:
Single PDF file for ease of use; no flipping through multiple books; searchable text
Engine Options:
Likely includes V6 and V8 gasoline engines, and potentially a diesel option (e.g., 3.0L V6 Turbo Diesel, 3.5L V6, 4.7L V8, 5.5L V8). Specific engines would be detailed within the manual.
Typical Power Output:
Varies by engine, ranging from approximately 210 hp for diesel to over 380 hp for larger V8s.
Typical Torque Output:
Varies by engine, with diesel engines offering higher torque figures for towing and low-end grunt.
Fuel Delivery:
Fuel Injection (likely multi-point or direct injection depending on engine)
Coolant Type Specification:
MB-Approved Antifreeze/Coolant (e.g., G05, G48 - specific part number would be in manual)
Engine Oil Specification:
MB-Approval 229.5, 229.51, or 228.51 (depending on engine) SAE 0W-40, 5W-40, or 5W-30 (specific viscosity dictated by engine and climate)
Transmission Type:
7-speed Automatic Transmission (7G-TRONIC)
Transmission Options:
Not typically offered with manual transmission in this model/year.
Drivetrain:
4MATIC All-Wheel Drive (standard)
Transmission Fluid Type:
MB-Approval 236.14 (e.g., Pentosin ATF1 or equivalent)
NHTSA Front Impact Driver:
5-Star (for 2009 model year, based on available data)
NHTSA Front Impact Passenger:
5-Star (for 2009 model year, based on available data)
NHTSA Side Impact Front Seat:
5-Star (for 2009 model year, based on available data)
NHTSA Side Impact Rear Seat:
5-Star (for 2009 model year, based on available data)
IIHS Top Safety Pick:
Likely achieved 'Good' ratings in front, side, and rear impact tests for the IIHS Top Safety Pick award.
Active Safety Systems:
4-wheel Electronic Traction System (4-ETS), Electronic Stability Program (ESP), Anti-lock Braking System (ABS), Brake Assist (BAS), Adaptive Brake Lights
Passive Safety Systems:
Dual front airbags, front side-impact airbags, side curtain airbags for all three rows, active front head restraints, front seatbelt pretensioners
Optional Safety:
Bi-Xenon headlamps with Active Curve Illumination, PARKTRONIC parking assist, Blind Spot Assist (optional on some trims)
Infotainment System:
COMMAND APS (Controller Area Network Multimedia Interface) system, featuring a high-resolution display, navigation, AM/FM/CD/MP3 player, and optional satellite radio.
Audio System:
Standard 10-speaker audio system; optional Harman Kardon Logic 7 surround sound system.
Driver Assistance Features:
Adaptive Cruise Control (DISTRONIC) was an optional feature. PARKTRONIC parking sensors (front and rear) were common.
Connectivity Options:
Bluetooth connectivity for hands-free calling (optional or standard depending on trim), voice control system (LINGUATRONIC).
Lighting Technology:
Standard projector beam halogen headlights; optional Bi-Xenon headlights with LED daytime running lights and Adaptive Front-lighting System (AFS).
Oil Change Interval:
Typically every 10,000 miles or 12 months, whichever comes first, using synthetic oil.
Major Service Interval:
Key intervals include 30,000 miles (e.g., transmission fluid service, differential fluid change, spark plug replacement on some engines) and 60,000-100,000 miles (e.g., timing belt/chain inspection, cooling system service, brake fluid flush). Specifics in manual.
Brake Fluid Specification:
DOT 4 Plus (MB-Approval 331.0)
Power Steering Fluid Specification:
MB-Approval 343.0 (Hydraulic Fluid)
Coolant Capacity:
Approximately 10-12 liters, depending on engine and cooling system configuration.
Common Problems 2009 Gl-Class:
Potential issues can include air suspension system faults (struts, air compressor), electronic module failures (e.g., SAM units), catalytic converter issues, oil cooler leaks, and interior trim wear. The manual will provide diagnostic procedures for these.
Mercedes Benz SUV History:
Mercedes-Benz has a long history of producing robust and luxurious SUVs, starting with the G-Wagen in the late 1970s. The GL-Class represents their commitment to the luxury SUV segment with a focus on comfort, space, and advanced technology.
X164 Generation:
The X164 GL-Class was introduced for the 2007 model year as the successor to the short-lived first-generation (2002-2005) American market only Grand Sports Tourer (GST) concept. The 2009 model represents the pre-facelift X164 generation.
Manufacturing Location:
Tuscaloosa, Alabama, USA
Automotive Journal Awards:
While specific awards for the 2009 model year may vary, the GL-Class has historically been recognized by automotive publications for its comfort, luxury, and utility.
Consumer Reports Ratings:
Ratings would have varied by model year and specific vehicle configuration; the manual would not contain these, but expert knowledge suggests it generally performed well in key luxury SUV metrics.
