🏷️ Basic Information

Make:

Mercedes-Benz

Model:

R320

Year:

2009

Generation Designation:

First Generation (X164)

Chassis Code:

X164

👋 Introduction

Market Position:

Premium Grand Tourer/Crossover Utility Vehicle (CUV) offering luxury, space, and performance for families.

Competitive Analysis:

Competed against other luxury SUVs and CUVs from brands like BMW (X5), Audi (Q7), and Volvo (XC90), differentiating with its unique wagon-like profile and advanced Mercedes-Benz engineering.

Key Features:

Spacious interior with optional third-row seating, advanced safety features, powerful yet efficient diesel engine, sophisticated ride and handling characteristics, high-quality interior materials.

📋 Manual Details

Coverage Areas:

Full Vehicle Service and Repair

Page Count:

Extensive (digital format, equivalent to several thousand printed pages)

Manual Type:

Service & Repair Manual Software

Language:

English

Format:

Digital Software (likely PDF or proprietary executable)

📖 Manual Coverage

Systems Covered:

Engine, Drivetrain, Transmission, Suspension, Steering, Brakes, HVAC, Electrical Systems, Body & Chassis, Diagnostic Procedures, Specifications, Wiring Diagrams

Procedures Included:

Routine Maintenance, Troubleshooting, Component Removal/Installation, Repair Procedures, Diagnostic Tree Flows, Electrical Component Testing, System Adjustments, Torque Specifications

Technical Depth:

Comprehensive: From basic fluid changes and filter replacements to in-depth engine rebuilds, transmission overhauls, advanced electronic diagnostics, and body panel repairs.

📊 Manual Specifications

File Format:

Digital Software (Searchable Text, Hyperlinked Sections, Interactive Diagrams)

Print Quality:

N/A (Digital Software - High Resolution for Screen Viewing)

Binding Type:

N/A (Digital Software)

Paper Type:

N/A (Digital Software)

⚙️ Engine Specifications

Engine Code:

OM642

Engine Type:

3.0L V6 Turbocharged Diesel (Common Rail Direct Injection)

Horsepower Hp:

210 hp @ 3400 rpm

Torque Lb Ft:

400 lb-ft @ 1600-2800 rpm

Fuel Type:

Diesel

Injection System:

Common Rail Direct Injection (CRDI)

Cylinders:

6

Displacement Liters:

3.0

Aspiration:

Turbocharged

🔧 Transmission

Transmission Type:

7-Speed Automatic (7G-TRONIC)

Drivetrain:

All-Wheel Drive (4MATIC)

Transmission Features:

Touchshift manual shifting mode, adaptive shift logic.

📐 Dimensions

Length In:

200.9

Width In:

76.7

Height In:

66.1

Wheelbase In:

126.6

Passenger Capacity:

6 or 7 (depending on seating configuration)

Cargo Volume Cu Ft Behind 3Rd Row:

14.7

Cargo Volume Cu Ft Behind 2Nd Row:

42.0

Curb Weight Lbs:

4,938

Gross Vehicle Weight Rating Gvwr Lbs:

6,504

🛡️ Safety Features

NHTSA Rollover Rating:

4/5 Stars (for 2009 model year)

Active Safety Features:

Electronic Stability Program (ESP), Anti-lock Braking System (ABS), Traction Control System (TCS), Brake Assist (BAS), All-Season Traction Control (4MATIC)

Passive Safety Features:

Frontal airbags, side airbags, curtain airbags for all rows, active front head restraints, front seatbelt pre-tensioners.

💡 Technology Features

Infotainment System:

COMAND (Cockpit Management and Navigation Display) APS system with CD/DVD changer, AM/FM radio, and optional SiriusXM satellite radio.

Driver Assistance Features:

Optional: Parking Assist (PARKTRONIC), Adaptive Cruise Control (DISTRONIC), Lane Keeping Assist (in some advanced packages).

Connectivity Options:

Bluetooth connectivity for hands-free calling, optional Media Interface for external devices.

🔧 Maintenance

Oil Change Interval:

Typically every 10,000 miles or 12 months, whichever comes first (dependent on driving conditions, refer to manual for precise 'ASSYST PLUS' intervals).

Major Service Interval:

Varies, but key items like transmission fluid, brake fluid, and coolant are typically serviced around 30,000-60,000 miles or as indicated by the vehicle's service computer.

Engine Oil Specification:

MB 229.51 (for diesel engines), SAE 5W-30 or 0W-30 (check owner's manual for exact viscosity based on temperature).

Transmission Fluid Specification:

MB 236.14 (for 7G-TRONIC)

Coolant Specification:

MB 325.0 / 326.0 (Antifreeze)

Brake Fluid Specification:

DOT 4 Plus (or equivalent MB specification)

Common Issues:

AdBlue system faults (for diesel), diesel particulate filter (DPF) regeneration issues, EGR valve problems, potential turbocharger issues, air suspension component wear, electrical gremlins common in complex systems.

Oil Filter Part Number Example:

A 642 180 00 09 (example, always verify with VIN)

Air Filter Part Number Example:

A 251 830 02 35 (example, always verify with VIN)

📚 Vehicle History

Brand Heritage Summary:

Mercedes-Benz has a long-standing reputation for luxury, engineering excellence, and pioneering automotive innovations, dating back to the invention of the automobile itself.

Model Evolution Summary:

The R-Class (X164) was introduced in 2005 as a unique 'Grand Sports Tourer', blending elements of an SUV, minivan, and wagon. The R320 CDI (diesel) variant provided excellent torque and fuel efficiency, particularly popular in markets valuing diesel power.

Production Years:

2006-2013 (for the X164 generation globally, R320 CDI particularly prominent early in the lifecycle)

Manufacturing Locations:

Tuscaloosa, Alabama, USA

🏆 Awards & Recognition

Recognitions Summary:

While specific awards for the 2009 R320 CDI are not widely publicized as a standalone model, the R-Class generally received praise for its spaciousness and luxury. The OM642 diesel engine itself has been recognized for its power and efficiency in various Mercedes-Benz applications.