Mercedes-Benz Mercedes E-Class 2002-2009 HVAC Specifications
Explore detailed HVAC system specifications for the 2002-2009 Mercedes-Benz E-Class (W211). Learn about refrigerant types, compressor details, blower motor ratings, and climate control functionalities for maintenance, repair, and upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the HVAC (Heating, Ventilation, and Air Conditioning) system in the 2002-2009 Mercedes-Benz E-Class. It is designed to assist users, technicians, and enthusiasts in understanding the system's features, functionality, and maintenance requirements. Use the search and navigation instructions to quickly locate specific details or browse through the sections for comprehensive insights.
How to Use
Use the search functionality by entering keywords related to the HVAC system, such as 'climate control' or 'airflow settings'. This will help you find specific information quickly.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is organized into subsections for easy access to detailed information.
Key Specifications
Temperature Range
60°F to 85°F (16°C to 29°C)
Cooling Capacity
12,000 BTU/h
Refrigerant Type
R134a
Air Filter Replacement
Every 15,000 miles
Dual-Zone Control
Standard
Available Specifications
Climate Control System
This section covers the dual-zone automatic climate control system, which allows the driver and front passenger to set individual temperature preferences. It also includes details on the system's sensors, controls, and integration with other vehicle systems.
Climate Control System
This section covers the dual-zone automatic climate control system, which allows the driver and front passenger to set individual temperature preferences. It also includes details on the system's sensors, controls, and integration with other vehicle systems.
Dual-Zone Temperature Control
- Independent temperature settings for driver and front passenger
- Temperature range: 60°F to 85°F (16°C to 29°C)
- Automatic adjustment based on external and internal sensors
- Solar sensor compensates for sunlight intensity
- Optional rear climate control in some models
Air Distribution and Fan Speed
- Multiple air distribution modes (face, foot, windshield)
- Automatic fan speed adjustment based on temperature settings
- Manual override for fan speed and air direction
- Pollen filter for improved air quality
- Recirculation mode for reduced external air intake
Heating System
This section provides information on the heating components, including the heater core, coolant system, and controls. It also explains how the system works in conjunction with the climate control to maintain cabin comfort.
Heating System
This section provides information on the heating components, including the heater core, coolant system, and controls. It also explains how the system works in conjunction with the climate control to maintain cabin comfort.
Heater Core and Coolant System
- High-efficiency heater core for rapid cabin warming
- Coolant flow controlled by thermostat and valves
- Integration with engine cooling system
- Automatic temperature regulation
- Optional auxiliary heater in colder climates
Heating Controls
- Temperature adjustment via rotary dials or digital controls
- Defrost mode for windshield and side windows
- Heated seats as an optional complement to the heating system
- Timer function for pre-heating the cabin
- Energy-saving mode for reduced fuel consumption
Air Conditioning System
This section details the air conditioning components, including the compressor, refrigerant, and evaporator. It also covers the system's performance, maintenance requirements, and troubleshooting tips.
Air Conditioning System
This section details the air conditioning components, including the compressor, refrigerant, and evaporator. It also covers the system's performance, maintenance requirements, and troubleshooting tips.
AC Components
- Variable displacement compressor for efficient cooling
- R134a refrigerant used in the system
- Evaporator and condenser for heat exchange
- High-pressure and low-pressure sensors for safety
- Optional rear AC unit in some models
AC Performance and Maintenance
- Cooling capacity: 12,000 BTU/h (approx.)
- Regular refrigerant level checks recommended
- Cabin air filter replacement every 15,000 miles
- Diagnostic system for detecting AC faults
- Common issues: refrigerant leaks, compressor failure
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Component Specifications
Overview
- Type
- Automatic Climate Control
- Configuration
- Dual-Zone
- Platform
- W211
- Material
- High-Density Plastic and Aluminum
- Location
- Dashboard and Rear Console
Dimensions
- Blower Unit Length
- 12.5 in / 31.75 cm
- Blower Unit Width
- 8.2 in / 20.83 cm
- Blower Unit Height
- 6.7 in / 17.02 cm
- Condenser Length
- 24.8 in / 63 cm
- Condenser Width
- 12.6 in / 32 cm
- Evaporator Length
- 14.2 in / 36.1 cm
- Evaporator Width
- 8.5 in / 21.6 cm
Materials
- Blower Fan
- High-Strength ABS Plastic
- Condenser
- Aluminum Fins with Copper Tubing
- Evaporator
- Aluminum Alloy
- Ducting
- Reinforced Polypropylene
- Control Panel
- Glass-Filled Nylon
Features
- Climate Control
-
- Automatic Temperature Regulation
- Dual-Zone Temperature Settings
- Air Quality Sensor
- Sunlight Sensor
- Air Distribution
-
- Multi-Level Airflow
- Rear Ventilation
- Defrost Mode
- Footwell Heating
- Filtration
-
- Pollen Filter
- Activated Carbon Filter
- Dust and Particle Filtration
- User interface
-
- LCD Display
- Rotary Dials
- Auto Mode Button
- Rear Control Panel
- Performance
-
- Rapid Cooling
- Efficient Heating
- Low Noise Operation
- Energy-Saving Mode
Safety Features
- Overheat Protection
-
- Automatic Shutdown
- Temperature Sensors
- Air Quality
-
- CO2 Sensor
- Automatic Recirculation
- System Monitoring
-
- Fault Detection
- Diagnostic Codes
Comfort Features
- Temperature Control
-
- Precise Dual-Zone Settings
- Rear Passenger Control
- Airflow
-
- Adjustable Vents
- Multi-Directional Flow
- Noise Reduction
-
- Quiet Blower Motor
- Insulated Ducting
- Convenience
-
- Auto Defrost
- Memory Settings
Accessories
- Filters
-
- Pollen Filter
- Activated Carbon Filter
- Odor Filter
- Controls
-
- Remote Control
- Rear Panel Controls
- Steering Wheel Controls
- Upgrades
-
- Enhanced Filtration System
- Heated Windshield
- Auxiliary Heater
Maintenance
- Service interval
- Every 15,000 miles or 12 months
- Service Items
-
- Replace Cabin Air Filter
- Inspect Refrigerant Levels
- Check Blower Motor Function
- Clean Evaporator Coils
- Inspect Ducting for Leaks
- Maintenance Notes
- Use only OEM filters and refrigerants for optimal performance.
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Parts and Labor
- Extended
- Miles: 100,000Years: 7Coverage: Major Components
- Corrosion
- Miles: UnlimitedYears: 10Coverage: Rust Perforation
- Refrigerant
- Miles: UnlimitedYears: 2Coverage: Leak Repair
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Precision Molding
- Automated Assembly
- Quality Testing
- Quality Control
- Testing: Pressure Testing, Leak Detection, Performance CalibrationStandards: ISO 9001, ISO 14001
- Sustainability
-
- Recyclable Materials
- Energy-Efficient Production
- Low-Emission Refrigerant
- Production Metrics
- Units Per Year: 500,000Defect Rate: 0.01%
Service Information for HVAC Service
Maintenance and service requirements specific to the HVAC system
- Replace Cabin Air Filter
- Inspect Refrigerant Levels
- Check Blower Motor Operation
- Clean Air Vents
- Inspect Ducting for Leaks
Ensure proper refrigerant type is used.
- Replace Activated Carbon Filter
- Inspect Evaporator Coils
- Test Climate Control Sensors
- Check Compressor Function
- Inspect Electrical Connections
Use diagnostic tools for sensor testing.
- Replace Refrigerant
- Inspect Condenser for Damage
- Test Blower Motor Bearings
- Check System Pressure
- Perform Full System Calibration
Major service requires specialized equipment.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is the HVAC system compatible with all 2002-2009 Mercedes E-Class models?
Is the HVAC system compatible with all 2002-2009 Mercedes E-Class models?
The HVAC system is compatible with most 2002-2009 Mercedes E-Class models, including the W211 chassis. However, compatibility may vary depending on the specific trim and optional equipment. For example, models with dual-zone climate control require specific HVAC components. Always verify compatibility using your vehicle's VIN or consult a Mercedes-Benz dealer for precise information.
Q2 What are the maintenance requirements for the HVAC system?
What are the maintenance requirements for the HVAC system?
Regular maintenance for the HVAC system includes replacing the cabin air filter every 15,000-20,000 miles, inspecting refrigerant levels annually, and checking for leaks or blockages in the system. Additionally, the system should be professionally serviced every 2-3 years to ensure optimal performance. Neglecting maintenance can lead to reduced efficiency, unpleasant odors, or system failure.
Q3 How do I replace the cabin air filter in my 2002-2009 Mercedes E-Class?
How do I replace the cabin air filter in my 2002-2009 Mercedes E-Class?
To replace the cabin air filter, locate the filter housing behind the glove compartment. Remove the glove compartment by unscrewing the fasteners and gently pulling it out. Open the filter housing, remove the old filter, and insert the new one, ensuring it is properly aligned. Reassemble the glove compartment and test the HVAC system to confirm proper airflow.
Q4 What should I do if my HVAC system is not blowing cold air?
What should I do if my HVAC system is not blowing cold air?
If your HVAC system is not blowing cold air, first check the refrigerant levels and look for leaks. Inspect the compressor and ensure it is engaging when the AC is turned on. If the issue persists, it may be due to a faulty blend door, clogged condenser, or electrical problem. A professional diagnostic scan tool can help identify specific error codes for further troubleshooting.
Q5 How can I optimize the performance of my HVAC system?
How can I optimize the performance of my HVAC system?
To optimize HVAC performance, ensure the system is free of debris and the condenser is clean. Use high-quality refrigerant and replace worn components like the compressor or expansion valve. Regularly clean the evaporator coil and ensure the blower motor is functioning properly. Additionally, park in shaded areas to reduce the load on the AC system during hot weather.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Mercedes-Benz E-Class W211 Service Manual
Coming SoonComprehensive service manual covering HVAC system maintenance, repair, and troubleshooting for 2002-2009 E-Class models.
Technical Service Bulletin: HVAC System Updates
Coming SoonDetails updates and fixes for common HVAC issues in 2002-2009 E-Class models, including software updates and component replacements.
Mercedes-Benz E-Class HVAC Parts Catalog
Coming SoonCatalog listing all HVAC components, including part numbers, compatibility, and installation instructions for 2002-2009 E-Class models.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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