2007 Mercedes-Benz R-Class R320 CDI Owners Manual

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🏷️ Basic Information Identification Make: Mercedes-Benz Model: R-Class Model Variant: R320 CDI Year: 2007 Generation Generation Designation: W251 Codes Chassis Code: W251 Engine Code Family: OM642 👋 Introduction Market Position...

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Sku: 182673

Tags: 2007 Car Cars Mercedes Mercedes-benz R Class R320 CDI

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Description

🏷️ Basic Information

Identification

Make:

Mercedes-Benz

Model:

R-Class

Model Variant:

R320 CDI

Year:

Generation

Generation Designation:

Codes

Chassis Code:

Engine Code Family:

OM642

👋 Introduction

Market Position

Market Position:

The 2007 Mercedes-Benz R-Class (W251) was positioned as a luxury multi-purpose vehicle (MPV) or 'Grand Sports Tourer', aiming to blend the versatility of an SUV/minivan with the refinement and luxury of a Mercedes-Benz sedan. It targeted families seeking premium features, comfort, and safety in a spacious, configurable package.

Competitive Analysis

Competitive Analysis:

Competed against other premium three-row vehicles, including luxury SUVs like the BMW X5 and Audi Q7, as well as luxury minivans and some larger crossover SUVs. Its unique 'sports tourer' styling set it apart from more conventional MPVs.

Key Features

Key Features:

• Spacious and versatile interior with flexible seating configurations

• Premium Mercedes-Benz luxury and build quality

• Comfortable ride and handling

• Advanced safety features

• Available with a powerful and efficient diesel engine (CDI)

• All-Wheel Drive (4MATIC) availability

📋 Manual Details

Coverage Areas

Coverage Areas List:

• Introduction

• Instrument Cluster

• Entertainment Systems

• Climate Controls

• Lights

• Driver Controls

• Locks and Security

• Seating and Safety Restraints

• Driving

• Customer Assistance

• Reporting Safety Defects (U.S. only)

• Cleaning

• Maintenance and Specifications

• Engine Compartment

• Engine Oil

• Battery

• Fuel Information

• Air Filter(s)

• Part Numbers

• Refill Capacities

• Lubricant Specifications

• Accessories

• Service Information and Specifications

• Maintenance Information and Specifications

Page Count

Estimated Page Count:

Approximately 400-500 pages (typical for factory owner's manuals of this era and complexity)

Manual Type

Manual Type:

Owner's Manual

Language

Language:

English

Format

Format:

Digital PDF

📖 Manual Coverage

Systems Covered

Systems Covered List:

• Infotainment and Audio Systems

• Climate Control (HVAC)

• Lighting System (Exterior and Interior)

• Driver Controls and Ergonomics

• Power Locks and Remote Keyless Entry

• Vehicle Security System (Anti-theft)

• Airbag System

• Seatbelt Restraints and Pre-tensioners

• Child Seat Anchors (LATCH/ISOFIX)

• Vehicle Operation and Driving Modes

• Instrument Panel and Warning Indicators

• Maintenance and Service Information

• Engine Compartment Layout and Components

• Engine Oil Type and Capacity

• Battery Type and Maintenance

• Fuel Type and Refueling Procedures

• Air Filter Replacement

• Fluid Reservoir Identification and Capacities

• Lubricant and Fluid Specifications (e.g., engine oil, coolant, brake fluid)

• Accessory Operation and Options

• Tire Pressure Monitoring System (TPMS)

• Wheel and Tire Information

• Brake System Overview

• Suspension System Overview

• Electrical System Components (general overview)

Procedures Included

Procedures Included List:

• Pre-Drive Checks

• Starting and Stopping the Engine

• Operating the Transmission (selector lever, shifting)

• Using Cruise Control

• Adjusting Seats and Steering Wheel

• Operating Power Windows and Sunroof

• Setting and Adjusting Climate Control

• Operating the Infotainment System (radio, CD/DVD player, navigation if equipped)

• Understanding Instrument Cluster Gauges and Warning Lights

• Using Headlights, Fog Lights, and Interior Lighting

• Locking and Unlocking Doors

• Using the Remote Key Fob

• Securing Child Restraints

• Emergency Procedures

• Routine Maintenance Tasks (e.g., checking fluid levels, tire pressure)

• Refueling Procedures

• Cleaning and Protecting Vehicle Surfaces

• Using and Maintaining Accessories

• Reporting Safety Defects (US)

• Interpreting Maintenance Minder or Service Indicators

Technical Depth

Technical Depth:

Comprehensive owner-level operation, maintenance, and basic troubleshooting. Covers everyday use and recommended preventative maintenance as per factory standards. Does not include detailed diagnostic procedures, component removal/installation guides, or wiring diagrams typical of a service manual.

📊 Manual Specifications

File Format

File Format:

Portable Document Format (PDF)

Print Quality

Print Quality:

High Resolution, suitable for printing individual pages or the entire document.

Binding Type

Binding Type:

N/A (Digital Download - printable)

Paper Type

Paper Type:

N/A (Digital Download - no physical paper type)

⚙️ Engine Specifications

Primary Engine

Engine Type:

3.0L V6 Turbodiesel (CDI)

Engine Displacement:

2987 cc (3.0 Liters)

Engine Code:

OM642

Performance

Horsepower:

208 hp @ 4000 rpm (approx.)

Torque:

384 lb-ft @ 1600-2600 rpm (approx.)

Fuel System

Fuel Injection:

Common Rail Direct Injection (CDI) with piezoelectric injectors

Turbocharging:

Variable Geometry Turbocharger (VGT)

Emission Control:

Diesel Particulate Filter (DPF)

🔧 Transmission

Standard

Transmission Type:

7-speed Automatic Transmission (7G-TRONIC)

Optional

Drivetrain:

4MATIC All-Wheel Drive

Features

Transmission Features:

Selectable driving modes (e.g., Comfort, Sport), manual shift mode (TouchShift).

📐 Dimensions

Exterior

Length:

Approx. 5057 mm (199.1 in)

Width:

Approx. 1922 mm (75.7 in)

Height:

Approx. 1688 mm (66.5 in)

Wheelbase:

Approx. 3081 mm (121.3 in)

Cargo

Cargo Volume Behind 3Rd Row:

Approx. 191 liters (6.7 cu ft)

Cargo Volume Behind 2Nd Row:

Approx. 657 liters (23.2 cu ft)

Cargo Volume Max:

Approx. 2340 liters (82.6 cu ft) with all rear seats folded

Weights

Curb Weight:

Approx. 2150 - 2250 kg (4740 - 4960 lbs) depending on configuration

Towing Capacity:

Up to 1500 kg (3300 lbs) with trailer brake

🛡️ Safety Features

Ratings

NHTSA Front Crash Test Rating:

5 Stars (for driver and front passenger)

IIHS Front Crash Test Rating:

Active Features

Active Safety Features:

• Anti-lock Braking System (ABS)

• Electronic Stability Program (ESP)

• Traction Control System (ASR)

• Brake Assist (BAS)

• Tire Pressure Monitoring System (TPMS)

Passive Features

Passive Safety Features:

• Multi-stage Front Airbags

• Front Side Airbags

• Side Curtain Airbags (covering all three rows)

• Active Head Restraints (front)

• Seatbelt Pre-tensioners

• ISOFIX/LATCH Child Seat Anchors

• Advanced Crumple Zones

💡 Technology Features

Infotainment

Infotainment System:

COMAND (Cockpit Management and Navigation) system, typically featuring an LCD screen, AM/FM/Weatherband radio, CD player, and optional navigation. Audio controls often integrated into the steering wheel and central console.

Audio Features:

Optional Harman Kardon surround sound system, auxiliary audio input.

Driver Assistance

Driver Assistance Features:

• Optional Distronic (Adaptive Cruise Control)

• Optional Parking Assist (PARKTRONIC)

• Optional Bi-Xenon Headlights with Active Curve Illumination

Connectivity

Connectivity Features:

Bluetooth connectivity for hands-free calling (often via an optional cradle or integrated system).

🔧 Maintenance

Service Intervals

Service Interval Guidance:

Mercedes-Benz utilizes a flexible maintenance schedule often based on the 'Active Service System' (ASSYST) which monitors driving conditions and vehicle usage. Typical intervals for major services would be around 10,000-15,000 miles or annually, whichever comes first. Specific intervals for oil changes, filter replacements, and brake inspections are detailed within the manual.

Fluid Specifications

Engine Oil Specification:

MB 229.51 (for diesel engines with DPF)

Engine Oil Capacity:

Approximately 7.5 - 8.5 liters (7.9 - 9.0 US quarts) (check manual for exact capacity)

Coolant Type:

MB 325.0 (Antifreeze/Coolant, Blue or Green)

Transmission Fluid Type:

MB 236.14 (for 7G-TRONIC)

Brake Fluid Specification:

DOT 4 Plus (MB 331.0)

Differential Fluid Specification:

Refer to manual; typically MB-approved gear oil.

Known Issues

Common Issues Diesel:

• Diesel Particulate Filter (DPF) clogging (especially with short-distance driving)

• EGR (Exhaust Gas Recirculation) system issues

• AdBlue system problems (if equipped, though less common for 2007 US models)

• Oil cooler leaks

• Mass Air Flow (MAF) sensor issues

• Glow plug failures

• Sensor failures (e.g., NOx sensors)

Common Issues General:

• Air suspension issues (if equipped with Airmatic)

• Keyless-Go system glitches

• Power steering leaks

• HVAC blower motor failures

• Oil cooler seals leakage (common on OM642)

Part Numbers

Oil Filter Part Number Example:

Mann-Filter HU 821 y / Mercedes-Benz A 642 180 02 09 (This is an example; exact part numbers should be verified)

Air Filter Part Number Example:

Mann-Filter C 24 120 / Mercedes-Benz A 251 830 05 18 (This is an example; exact part numbers should be verified)

📚 Vehicle History

Brand Heritage

Brand Heritage:

Mercedes-Benz has a long-standing reputation for luxury, engineering excellence, and safety innovation, dating back to the invention of the automobile in the late 19th century.

Model Evolution

Model Evolution:

The R-Class (W251) was introduced in 2005 as a new segment entry for Mercedes-Benz, the 'Grand Sports Tourer'. It aimed to combine the best attributes of various vehicle types. The R320 CDI variant introduced the efficient and torquey 3.0L V6 diesel engine to the model line.

Production

Production Years:

2006-2012 (for the W251 generation)

Manufacturing Location:

Tuscaloosa, Alabama, USA

🏆 Awards & Recognition

Recognitions

Recognitions:

While specific awards for the 2007 R320 CDI are not widely publicized, the R-Class as a whole received attention for its innovative 'sports tourer' concept and luxury appointments. Mercedes-Benz vehicles consistently receive high marks in safety and luxury segments.