Description
Factory Mercedes GL Class GL450 CDI Workshop Manual (2009-2010)
This is the genuine Mercedes-Benz dealer-grade workshop software covering the X164-platform GL450 CDI for model years 2009 and 2010 – the same interactive system relied upon by factory-authorized technicians across North America and beyond.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | N/A |
| Diesel | 4.0L OM629 V8 twin-turbo CDI (~306 hp) |
| Transmissions | 7-speed 7G-Tronic automatic |
| Drive | 4MATIC full-time AWD |
| Model Years | 2009, 2010 |
| Badge Twins | N/A |
Common GL450 CDI Repairs Covered
| System | Procedures |
|---|---|
| OM629 Turbocharger | Twin-turbo inspection, boost pressure diagnosis, intercooler hose replacement – a known weak point on high-mileage X164 diesels |
| Airmatic Suspension | Air strut replacement, compressor diagnosis, ride-height sensor calibration |
| 7G-Tronic Transmission | Fluid and filter service, valve body inspection, TCU adaptation reset |
| Electrical / CAN Bus | Wiring diagram navigation, relay/fuse location, COMAND and body electronics fault tracing |
Format & Delivery
Dealer software (Mercedes VMware Virtual Machine – NOT a PDF). Compatible with Windows XP through 11, Mac, and Linux. Instant download; lifetime re-downloads.
Frequently Asked Questions
Why does the GL450 CDI turbo system need attention at higher mileage?
The OM629 twin-turbo setup relies on intercooler hoses and actuator seals that degrade over time, leading to boost leaks and reduced power. This software includes full factory diagnostic flowcharts and torque specs for turbo removal and reinstallation on the X164 platform.
Does this cover the 4MATIC AWD and transfer case?
Yes. Complete service procedures are included for the 4MATIC full-time all-wheel-drive system, including the transfer case, front and rear differentials, and driveshaft assemblies – all with factory torque values and adjustment specs.
Are interactive wiring diagrams included?
Absolutely. The software provides fully navigable wiring diagrams covering the CAN-bus network, engine management, Airmatic suspension control, COMAND infotainment, and all body electronics, with wire color codes and connector pinout data identical to what Mercedes dealership technicians use.
What format is the manual?
This is Mercedes-Benz dealer software delivered as a VMware Player Virtual Machine – it is NOT a PDF. It runs on Windows (XP-11), Mac, and Linux, providing the same interactive diagnostic environment used by authorized Mercedes service centers.
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