Mercedes-Benz Mercedes B-Class 2005-2011 HVAC Specifications
Explore comprehensive HVAC system specifications for the 2005-2011 Mercedes B-Class. Learn about components, refrigerant types, compressor details, and more. Ideal for maintenance, repairs, and performance optimization.
Overview Specifications
This document provides detailed specifications and technical information about the HVAC (Heating, Ventilation, and Air Conditioning) system in the 2005-2011 Mercedes B-Class. It is designed to assist users in understanding the system's features, functionality, and maintenance requirements. Use the search and navigation instructions to quickly find relevant information. The document is divided into sections covering system components, controls, performance, and troubleshooting.
How to Use
Use the search bar to enter keywords related to the HVAC system, such as 'blower motor' or 'temperature control'. The search results will highlight relevant sections and subsections for quick access.
Navigate through the document using the table of contents. Each major section is divided into subsections, which contain detailed technical points. Click on a section title to expand and view its contents.
Key Specifications
Cooling Capacity
12,000 BTU/h
Airflow Rate
300 CFM
Noise Level
45 dB
Refrigerant Type
R134a
Cabin Air Filter Replacement Interval
15,000-20,000 miles
Available Specifications
HVAC System Components
This section covers the main components of the HVAC system in the 2005-2011 Mercedes B-Class, including the blower motor, evaporator, condenser, and compressor. Understanding these components is essential for diagnosing issues and performing maintenance.
HVAC System Components
This section covers the main components of the HVAC system in the 2005-2011 Mercedes B-Class, including the blower motor, evaporator, condenser, and compressor. Understanding these components is essential for diagnosing issues and performing maintenance.
Blower Motor
- Located in the HVAC housing unit
- Responsible for circulating air through the vents
- Variable speed control for adjustable airflow
- Common issues include motor failure or excessive noise
Evaporator and Condenser
- Evaporator cools the air before it enters the cabin
- Condenser releases heat absorbed from the cabin
- Both components are part of the refrigerant cycle
- Regular cleaning prevents mold and odor buildup
Compressor
- Driven by the engine via a belt
- Compresses refrigerant to facilitate cooling
- Includes a clutch for engaging and disengaging
- Failure can lead to loss of cooling functionality
HVAC Controls and Settings
This section explains the various controls and settings available for the HVAC system, including temperature adjustment, fan speed, and air distribution. It also covers advanced features like automatic climate control.
HVAC Controls and Settings
This section explains the various controls and settings available for the HVAC system, including temperature adjustment, fan speed, and air distribution. It also covers advanced features like automatic climate control.
Temperature Control
- Dual-zone climate control available in some models
- Digital temperature display for precise settings
- Automatic mode adjusts temperature based on sensors
- Manual override allows custom adjustments
Fan Speed and Air Distribution
- Multiple fan speed settings for personalized comfort
- Air distribution controls for face, feet, and windshield vents
- Recirculation mode for improved cooling efficiency
- Defrost mode for quick windshield clearing
Advanced Features
- Automatic climate control maintains set temperature
- Sunlight sensor adjusts cooling based on solar intensity
- Air quality sensor filters out pollutants
- Energy-saving mode reduces system load
HVAC Performance and Maintenance
This section provides information on the performance metrics of the HVAC system and guidelines for regular maintenance. It includes tips for optimizing system efficiency and troubleshooting common issues.
HVAC Performance and Maintenance
This section provides information on the performance metrics of the HVAC system and guidelines for regular maintenance. It includes tips for optimizing system efficiency and troubleshooting common issues.
Performance Metrics
- Cooling capacity measured in BTU/h
- Heating efficiency dependent on engine temperature
- Airflow rate measured in cubic feet per minute (CFM)
- Noise levels kept below 50 decibels for comfort
Maintenance Guidelines
- Replace cabin air filter every 15,000-20,000 miles
- Check refrigerant levels annually
- Inspect belts and hoses for wear and tear
- Clean evaporator and condenser coils regularly
Troubleshooting Tips
- Weak airflow may indicate a clogged filter
- Unusual noises could point to blower motor issues
- Inconsistent cooling may require refrigerant recharge
- System not turning on? Check fuses and relays
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Component Specifications
Overview
- Type
- Automatic Climate Control System
- Configuration
- Dual-Zone Temperature Control
- Platform
- Integrated with Mercedes-Benz COMAND System
- Material
- High-Durability Plastic and Aluminum Components
- Location
- Front Dashboard and Rear Passenger Area
Dimensions
- Blower Unit Width
- 12.5 inches / 31.75 cm
- Blower Unit Height
- 8.2 inches / 20.83 cm
- Blower Unit Depth
- 6.7 inches / 17.02 cm
- Condenser Width
- 22.8 inches / 57.91 cm
- Condenser Height
- 14.5 inches / 36.83 cm
- Evaporator Width
- 10.2 inches / 25.91 cm
- Evaporator Height
- 7.8 inches / 19.81 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
-
- Dual-Zone Temperature Adjustment
- Automatic Air Recirculation
- Sunlight Sensor for Adaptive Cooling
- Defrost Mode with Timer
- Air Distribution
-
- Multi-Level Airflow Control
- Rear Passenger Vents
- Adjustable Center and Side Vents
- Footwell Airflow Optimization
- Filtration
-
- Pollen and Dust Filter
- Activated Carbon Filter
- Automatic Filter Replacement Reminder
- Energy Efficiency
-
- Eco Mode for Reduced Power Consumption
- Automatic Shutdown at High Engine Load
- Low-Power Blower Motor
- User interface
-
- LCD Display for Temperature Settings
- Rotary Knobs for Quick Adjustments
- Integrated Controls in Steering Wheel
Safety Features
- Overheat Protection
-
- Automatic Shutdown at Critical Temperatures
- Thermal Fuse for Blower Motor
- Air Quality
-
- CO2 Sensor for Cabin Air Quality
- Automatic Recirculation in Polluted Areas
- System Monitoring
-
- Real-Time Diagnostics via OBD-II
- Error Codes Displayed on Dashboard
Comfort Features
- Temperature Control
-
- Precision Temperature Adjustment
- Rapid Cooling and Heating Modes
- Airflow Management
-
- Silent Mode for Low Noise Operation
- Variable Fan Speeds
- User Customization
-
- Memory Settings for Driver Preferences
- Automatic Mode Based on External Conditions
- Rear Passenger Comfort
-
- Dedicated Rear Vents
- Independent Temperature Control for Rear Passengers
Accessories
- Filters
-
- Standard Pollen Filter
- Activated Carbon Filter Upgrade
- HEPA Filter Option
- Upgrades
-
- Auxiliary Heater for Cold Climates
- Rear Seat Heating Integration
- Tools
-
- Diagnostic Scanner for HVAC System
- Refrigerant Recharge Kit
Maintenance
- Service interval
- Every 15,000 miles or 12 months
- Service Items
-
- Inspect and Replace Air Filters
- Check Refrigerant Levels
- Clean Condenser and Evaporator Coils
- Inspect Blower Motor and Fan
- Test Temperature Sensors
- Maintenance Notes
- Use only Mercedes-Benz approved refrigerants and lubricants.
Warranty
- Basic Warranty
- Miles: 50,000Years: 4Coverage: Parts and Labor
- Extended Warranty
- Miles: 100,000Years: 7Coverage: Major Components Only
- Corrosion Warranty
- Miles: UnlimitedYears: 12Coverage: Corrosion-Related Repairs
- Emissions Warranty
- Miles: 70,000Years: 8Coverage: Emissions Control Components
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Precision Injection Molding for Plastic Parts
- Robotic Assembly for Condenser and Evaporator
- Automated Quality Testing for Airflow
- Quality Control
- Testing: Leak Testing for Refrigerant Lines, Airflow Efficiency Testing, Temperature CalibrationCertifications: ISO 9001, ISO 14001 for Environmental Standards
- Sustainability Practices
-
- Recyclable Materials for Ducting and Panels
- Low-GWP Refrigerant Usage
- Energy-Efficient Manufacturing Processes
- Production Metrics
- Units Per Year: Approximately 150,000Defect Rate: Less than 0.1%
Service Information for HVAC Service
Maintenance and service requirements specific to the HVAC system
- Inspect and Replace Air Filters
- Check Refrigerant Levels
- Clean Condenser and Evaporator Coils
- Test Blower Motor Operation
- Inspect Ducting for Leaks
Ensure proper refrigerant levels to avoid system damage.
- Replace Pollen and Carbon Filters
- Inspect and Clean Blower Fan
- Check Temperature Sensors for Accuracy
- Test Automatic Recirculation Function
Use diagnostic tools to verify sensor functionality.
- Flush and Recharge Refrigerant System
- Inspect and Replace Worn Seals
- Test Compressor Performance
- Check Electrical Connections for Corrosion
Major service requires specialized equipment and trained technicians.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is the HVAC system compatible with all 2005-2011 Mercedes B-Class models?
Is the HVAC system compatible with all 2005-2011 Mercedes B-Class models?
The HVAC system is compatible with all 2005-2011 Mercedes B-Class models, including both gasoline and diesel variants. However, specific configurations such as dual-zone climate control may require additional components. Always verify the vehicle's VIN and consult the manufacturer's compatibility chart to ensure proper fitment and functionality.
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 inspecting and replacing the cabin air filter every 15,000-20,000 miles, checking refrigerant levels annually, and ensuring the blower motor and condenser are free of debris. Additionally, the system should be professionally serviced every 30,000 miles to maintain optimal performance and prevent costly repairs.
Q3 How do I replace the cabin air filter in my Mercedes B-Class?
How do I replace the cabin air filter in my Mercedes B-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 the HVAC system is not blowing cold air, first check the refrigerant levels and inspect for leaks. Ensure the compressor is engaging when the AC is turned on. If the issue persists, inspect the blower motor, condenser, and electrical connections. Common solutions include recharging the refrigerant, replacing a faulty compressor, or cleaning the condenser.
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, regularly clean the condenser and evaporator coils, ensure proper refrigerant levels, and replace the cabin air filter as recommended. Use the recirculation mode to reduce strain on the system during hot weather. Additionally, park in shaded areas to minimize heat buildup and reduce the workload on the AC system.
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 B-Class HVAC Service Manual
Coming SoonDetailed service manual covering HVAC system maintenance, troubleshooting, and repair procedures for 2005-2011 Mercedes B-Class models.
Technical Service Bulletin: HVAC System Updates
Coming SoonLatest updates and fixes for common HVAC system issues in 2005-2011 Mercedes B-Class vehicles, including software updates and component replacements.
Mercedes B-Class HVAC Parts Catalog
Coming SoonComprehensive catalog of OEM and aftermarket HVAC parts for 2005-2011 Mercedes B-Class, including filters, compressors, and condensers.
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Technical Information
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