🏷️ Basic Information

Make:

Mercedes-Benz

Model:

E-Class

Year:

2009

System Name:

COMAND APS

Product Code Identifier:

COMAND APS System Operators Manual

👋 Introduction

Segment:

Mid-size to Large Luxury Sedan/Coupe/Convertible/Wagon.

Competitors 2009:

BMW 5 Series (E60), Audi A6 (C6), Lexus GS (GRS190), Cadillac CTS, Infiniti M (Y50).

System Standout:

COMAND APS was a premium integrated infotainment system known for its robust navigation, audio quality, and brand integration.

Navigational Capabilities:

HDD-based navigation with advanced routing, traffic data integration (e.g., TMC Pro), and 3D map views.

Audio Enhancements:

High-fidelity audio reproduction, often paired with premium sound systems like Harman Kardon or Bose.

Connectivity Standard:

Bluetooth® hands-free telephony was a standard or widely available feature.

User Experience:

Intuitive control via the central rotary dial and display screen, designed for minimal driver distraction.

📋 Manual Details

Navigational Features:

Destination entry, route planning, map display, traffic information, points of interest (POI).

Audio Entertainment:

AM/FM radio, CD, DVD audio playback, auxiliary input, USB interface (if applicable to specific trim/options), digital radio (DAB/SDARS if equipped).

Communication Features:

Bluetooth® telephone functions, hands-free calling, address book management, message display.

Climate Control Integration:

Display and adjustment of HVAC settings via COMAND interface.

Vehicle Settings:

Access and modification of certain vehicle functions and displays.

Display And Controls:

Operation of the central display, rotary controller, and associated buttons.

Estimated Pages:

150-250 (typical for a comprehensive operator's manual of this era and system complexity)

Type:

Operator's Manual / Owner's Manual (for COMAND APS system)

Language:

English

Format:

Downloadable Digital File (PDF)

📖 Manual Coverage

Infotainment System:

Core COMAND APS functionalities including navigation, audio, and communication.

User Interface:

Detailed explanation of the graphical user interface (GUI) and physical controls.

Connectivity:

Bluetooth® pairing and usage, potential for Media Interface (MI) if applicable.

Multimedia Playback:

Operation for CD, DVD, and potentially external media devices.

Initial Setup:

First-time setup of navigation, audio sources, and Bluetooth® devices.

Destination Entry:

Step-by-step guides for entering addresses, searching for POIs, and using recent destinations.

Route Management:

Creating, modifying, and optimizing routes, including avoiding tolls or highways.

Audio Source Selection:

Switching between radio, CD/DVD, auxiliary inputs, and other available media.

Phone Operation:

Making and receiving calls, managing contacts, and using voice commands.

Customization:

Adjusting display settings, audio preferences, and other system parameters.

Depth:

User-focused operational guidance; does not include detailed repair procedures or component diagnostics.

📊 Manual Specifications

Format:

PDF (Portable Document Format)

Searchability:

Likely text-searchable, enabling quick information retrieval.

Quality:

Best quality (as stated in product description), implying clear text and legible illustrations.

Illustration Type:

Step-by-step illustrated instructions.

Binding:

N/A (Downloadable file, binding not applicable until printed by user).

Paper Type:

N/A (Downloadable file, paper type depends on user's printing choice).

⚙️ Engine Specifications

Engine Options 2009 E Class:

Multiple engine variants were available, including: E350 (3.5L V6 M272, E550 (5.5L V8 M273), E320 Bluetec (3.0L V6 OM642 diesel), and potentially AMG variants (e.g., E63 AMG with 6.2L V8 M156).

Engine Codes Common:

M272 (V6 gasoline), M273 (V8 gasoline), OM642 (V6 diesel).

E350 Power Output:

Approx. 268 hp @ 6000 rpm

E350 Torque Output:

Approx. 258 lb-ft @ 2400-5000 rpm

E550 Power Output:

Approx. 382 hp @ 6000 rpm

E550 Torque Output:

Approx. 391 lb-ft @ 2800-4000 rpm

Fuel Delivery Gasoline:

Sequential multi-point fuel injection (MPI) or direct injection (CGI on later models, but typically MPI for 2009 COMAND APS models).

Fuel Type Gasoline:

Premium Unleaded (91 octane or higher recommended)

Fuel System Diesel:

Common Rail Direct Injection (CDI) for Bluetec models.

🔧 Transmission

Standard Transmission Type:

7-speed automatic transmission (7G-TRONIC)

Optional Transmission Type:

For some variants (e.g., 4MATIC all-wheel drive), the 7G-TRONIC was standard. No manual transmission was offered in North America for the 2009 E-Class.

Shift Modes:

Comfort (C) and Sport (S) modes.

Transmission Fluid Type:

MB specification 236.14 (e.g., Pentosin ATF 134 or equivalent) - verification of specific model year and transmission required from service data.

📐 Dimensions

Wheelbase:

Approx. 112.4 inches (2855 mm)

Length:

Approx. 191.7 inches (4868 mm)

Width:

Approx. 70.2 inches (1783 mm)

Height:

Approx. 57.0 inches (1448 mm)

Trunk Volume:

Approx. 15.9 cubic feet (450 liters)

Curb Weight E350:

Approx. 3700-3800 lbs (1680-1725 kg), depending on configuration (RWD/4MATIC).

🛡️ Safety Features

NHTSA Front Impact:

5-star rating (for models tested)

IIHS Front Offset Crash:

Good rating (Top Safety Pick for many Mercedes-Benz models of this era)

Electronic Stability Program:

Standard (ESP - Electronic Stability Program)

Antilock Braking System:

Standard (ABS)

Traction Control:

Standard (ASR - Acceleration Slip Regulation)

Brake Assist:

Standard (BAS - Brake Assist)

Airbags:

Front airbags, side airbags, curtain airbags (window airbags), optional knee airbags.

Seatbelts:

3-point inertia-reel seat belts with pre-tensioners and force limiters.

Body Structure:

High-strength steel construction with crumple zones.

💡 Technology Features

System Name:

COMAND APS (Cockpit Management and Navigation System)

Display Size:

Typically 7-inch color display.

Navigation Media:

Hard Disk Drive (HDD) based for map storage and faster access.

Audio Source Integration:

CD/DVD player, AM/FM tuner, auxiliary input (often via Media Interface).

Adaptive Cruise Control:

Optional (DISTRONIC or DISTRONIC PLUS, depending on package).

Parking Assistance:

Optional parking sensors (PARKTRONIC) and rear-view camera.

Bi Xenon Headlights:

Standard or optional, often with active curve illumination.

Bluetooth:

Integrated Bluetooth® for hands-free calling and audio streaming (e.g., A2DP).

Media Interface:

Optional Media Interface (MI) provided a universal dock for iPods, USB drives, and auxiliary cables.

🔧 Maintenance

Oil Change Interval:

Typically every 10,000 miles or 12 months, whichever comes first, using synthetic oil. Adherence to the 'Service A' or 'Service B' indicator via the instrument cluster is crucial.

Transmission Fluid Change:

Recommended around 60,000 miles (100,000 km) or as indicated by the vehicle's service schedule. Check specific model year documentation for exact intervals.

Brake Fluid Flush:

Typically every 2 years.

Air Filter Replacement:

Approximately every 30,000 miles or as needed based on driving conditions.

Engine Oil Specification:

MB 229.5 (e.g., Mobil 1 0W-40, Castrol Syntec 0W-40) for gasoline engines. Specific viscosity and specification depend on engine type and climate. Consult manual for precise details.

Coolant Specification:

MB specification 325.0 (Antifreeze/Coolant)

Power Steering Fluid:

MB specification 236.3 (often a hydraulic fluid)

M272 Balance Shaft Issue:

For M272 engines produced before a certain date, the balance shaft sprocket could wear prematurely, affecting timing and causing check engine lights. 2009 models may or may not be affected depending on production date within the year; early 2009 models are more susceptible.

Srs Module Failure:

Occasional issues with the Supplemental Restraint System (SRS) module leading to warning lights.

Com Bus Errors:

Communication errors between modules can manifest in various electrical gremlins.

Comand Screen Issues:

Rarely, screen delamination or pixel failure can occur.

📚 Vehicle History

Heritage:

Mercedes-Benz has a long-standing reputation for luxury, engineering, and safety dating back to the late 19th century.

W211 Generation Context:

The 2009 E-Class belongs to the W211 generation (2002-2009), which received a significant facelift for the 2007 model year, including updated styling, engines, and technology like the refined COMAND system.

Infotainment Progression:

COMAND APS (Cockpit Management and Navigation System) evolved significantly over the years, with the 2009 model representing a mature and feature-rich iteration before the introduction of the W212 generation.

Production Location:

Primarily manufactured in Germany (e.g., Sindelfingen plant).

🏆 Awards & Recognition

Safety Awards:

The W211 E-Class consistently received high safety ratings from organizations like IIHS and NHTSA, often earning 'Top Safety Pick' designations.

Consumer Reports Reliability:

Reliability ratings varied for the W211 generation, with some model years and components showing better performance than others. The 2009 model year, being later in the generation, generally benefited from earlier production refinements.

Emissions Certification:

Compliant with EPA and CARB emissions standards for the 2009 model year.