2008 Mercedes-Benz GL-Class GL 320 CDI, GL 450, GL 550 Operator's Manual

Operator's Manual covering GL-Class variants including the GL 320 CDI, GL 450, and GL 550. Includes sections on safety, controls, driving, and maintenance. Part No. 164 584 74 81.

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Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

Mercedes Models Covered & Key Technical Specifications

Models: GL 320 CDI, GL 450, GL 550
Build Years: 2008
Technical Data:

  • Transmission: Automatic transmission with P, R, N, and D positions
  • Lighting: Exterior lamp switch controls for low beam, off, and parking lamps
  • Child Safety: LATCH (Lower Anchors and Tethers for CHildren) system and rear window override
  • Restraint Systems: Supplemental Restraint System (SRS), Emergency Tensioning Device (ETD), and seat belt force limiters
  • Emergency Features: Panic alarm with activation/deactivation control
Technical Specifications
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Document Number / Seller:
26215 / Steven Perez
File Size:
26.69 MB
File Type:
PDF
Language:
English
Pages:
601
Printable:
Yes
Category:
SUV
Last updated / verified
Oct 13, 2025

Mercedes Manual Features & Content Preview

2008 Mercedes-Benz GL-Class Operator's Manual Overview

  • Covers 2008 Mercedes-Benz GL-Class GL 320 CDI, GL 450, and GL 550 variants, providing operational guidance for the vehicle controls and safety systems
  • Official OEM publication Part No. 164 584 74 81, Edition A 2008
  • Contains detailed exploded-view diagrams of the cockpit and overhead controls, alongside comprehensive switch identification tables for all major internal and external functions
  • No shipping wait — the PDF is available immediately after purchase
  • Laid out for standard letter and A4 printing
  • This 2008 edition serves as the definitive reference for the GL-Class launch build, documenting specific operation for the 164-series architecture before mid-cycle changes

Operational Scope and Documentation

The 2008 Mercedes-Benz GL-Class operator's manual offers a thorough walkthrough of vehicle systems and safety protocols. The document begins with an extensive introduction to vehicle care, including service intervals and road-side assistance procedures. It details the operation of the cockpit, instrument cluster, and center console, including variants with or without the enhanced off-road package. Additional chapters define the use of the climate control system, lighting switches, and driving systems such as Distronic and Downhill Speed Regulation.

System Identification and Reference Data

This guide includes extensive technical descriptions regarding the occupant classification system, side impact and window curtain air bags, and seat belt restraint requirements. Reference tables for starter switch positions, gear selector lever usage, and windshield wiper operations are documented throughout the text. The document also provides specific safety warnings regarding the use of LATCH-type child seat anchors and the function of the override switches for rear door windows. Official documentation of the 2008 Mercedes-Benz GL-Class GL 320 CDI, GL 450, and GL 550 controls and safety systems for operators requiring comprehensive vehicle-management information.

Manual FAQ, Purchase & Download Details

Is there a document identifier I can use to confirm this manual's specific edition? keyboard_arrow_down

Operator manual provided includes the publication identifier Part No. 164 584 74 81 and is identified as Edition A 2008.

Can this operator manual provide information on the electrical systems and component locations? keyboard_arrow_down

Manual contains a comprehensive technical data section that covers the vehicle electrical system. It also includes sections dedicated to vehicle controls, lighting, and practical hints regarding the instrument cluster and various bulbs.

Does the manual contain technical data for the various engine models mentioned on the cover? keyboard_arrow_down

Yes, the document includes a dedicated technical data chapter which provides information specific to the GL 320 CDI, GL 450, and GL 550 models. This section covers engine specifications, poly-V-belt drive layouts, and capacity tables for fuels, coolants, and lubricants. It is intended to support the operator with essential vehicle information.

Are there tables included that list fluid capacities and lubricant specifications? keyboard_arrow_down

Technical data section includes detailed tables for fuels, coolants, and lubricants, as well as capacity listings for the engine and other systems.

Which chapters contain information about vehicle controls and component illustrations? keyboard_arrow_down

At a glance section provides exterior and cockpit views, while the Controls in detail chapter offers expanded descriptions of equipment and vehicle functions. These sections use diagrams and system overviews to help the operator understand the location and operation of various vehicle controls.

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