Mercedes-Benz Mercedes M-Class 2005-2011 HVAC Specifications
Explore the comprehensive HVAC specifications for the 2005-2011 Mercedes-Benz M-Class. This guide covers system components, performance metrics, and maintenance tips for optimal climate control. Ideal for technicians, DIY enthusiasts, and owners.
Overview Specifications
This document provides detailed HVAC specifications for the 2005-2011 Mercedes M-Class. It includes information on system components, performance metrics, and maintenance guidelines. Use this guide to understand the HVAC system's functionality, troubleshoot issues, and ensure optimal performance. The document is organized into sections for easy navigation, with quick reference tables for key specifications.
How to Use
Use the search function to find specific terms or components within the document. Enter keywords related to the HVAC system, such as 'blower motor' or 'refrigerant type,' to quickly locate relevant information.
Navigate through the document using the table of contents. Each section is labeled with a title and description, making it easy to find the information you need. Use the quick reference table at the end for a summary of key specifications.
Key Specifications
Cooling Capacity
18,000 BTU/h
Refrigerant Type
R134a
Refrigerant Capacity
24 oz
Maximum Airflow
450 CFM
Cabin Air Filter Replacement
Every 15,000 miles
Available Specifications
HVAC System Components
This section outlines the major components of the HVAC system in the 2005-2011 Mercedes M-Class. It includes details on the blower motor, evaporator, condenser, and compressor, as well as their roles in maintaining cabin comfort.
HVAC System Components
This section outlines the major components of the HVAC system in the 2005-2011 Mercedes M-Class. It includes details on the blower motor, evaporator, condenser, and compressor, as well as their roles in maintaining cabin comfort.
Blower Motor
- Located in the HVAC housing unit
- Responsible for circulating air through the vents
- Variable speed control for adjustable airflow
- Powered by a 12V electrical system
- Common issues include motor failure or noisy operation
- Replacement requires removal of the dashboard
Evaporator and Condenser
- Evaporator cools air by absorbing heat
- Condenser releases heat to the outside environment
- Both are made of aluminum for durability
- Regular cleaning prevents mold and odors
- Refrigerant flows through both components
- Leaks can lead to reduced cooling efficiency
Performance Metrics
This section covers the performance characteristics of the HVAC system, including cooling capacity, airflow rates, and energy efficiency. It also provides insights into system responsiveness and temperature control.
Performance Metrics
This section covers the performance characteristics of the HVAC system, including cooling capacity, airflow rates, and energy efficiency. It also provides insights into system responsiveness and temperature control.
Cooling Capacity
- Maximum cooling output of 18,000 BTU/h
- Effective in temperatures up to 110°F
- Dual-zone climate control for driver and passenger
- Automatic temperature regulation
- Uses R134a refrigerant
- Refrigerant capacity: 24 oz
Airflow Rates
- Maximum airflow of 450 CFM
- Adjustable fan speeds with 7 settings
- Rear vents provide additional airflow
- Air recirculation mode for faster cooling
- Pollen filter ensures clean air
- Defrost mode clears windshield quickly
Maintenance Guidelines
This section provides maintenance tips to ensure the longevity and efficiency of the HVAC system. It includes recommendations for filter replacement, refrigerant checks, and system diagnostics.
Maintenance Guidelines
This section provides maintenance tips to ensure the longevity and efficiency of the HVAC system. It includes recommendations for filter replacement, refrigerant checks, and system diagnostics.
Filter Replacement
- Replace cabin air filter every 15,000 miles
- Use OEM filters for optimal performance
- Signs of a dirty filter include reduced airflow
- Filter location behind the glove compartment
- Replacement takes approximately 15 minutes
- Regular replacement improves air quality
Refrigerant Checks
- Check refrigerant levels annually
- Low levels indicate a potential leak
- Use a pressure gauge to measure levels
- Recharge with R134a if necessary
- Avoid overcharging to prevent system damage
- Professional servicing recommended for leaks
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Component Specifications
Overview
- Type
- Automatic Climate Control
- Configuration
- Dual-Zone
- Platform
- Integrated with Vehicle Electronics
- Material
- High-Durability Plastics and Aluminum
- Location
- Front Dashboard and Rear Console
Dimensions
- Evaporator Length
- 12.5 inches / 31.75 cm
- Evaporator Width
- 8.2 inches / 20.83 cm
- Condenser Length
- 15.7 inches / 39.88 cm
- Condenser Width
- 10.5 inches / 26.67 cm
- Blower Motor Diameter
- 6.3 inches / 16 cm
- Compressor Weight
- 8.8 lbs / 4 kg
- Refrigerant Capacity
- 1.5 lbs / 0.68 kg
Materials
- Evaporator Core
- Aluminum
- Condenser
- Aluminum with Copper Fins
- Blower Motor
- High-Strength Plastic and Steel
- Compressor
- Aluminum Alloy
- Ducting
- Thermoplastic
Features
- Climate Control
-
- Dual-Zone Temperature Adjustment
- Automatic Air Recirculation
- Solar Sensor for Sunlight Compensation
- Humidity Control
- Air Distribution
-
- Multi-Level Airflow Settings
- Rear Ventilation System
- Defrost with Timer Function
- Filtration
-
- Cabin Air Filter with Activated Carbon
- Pollen Filter
- Odor Neutralization
- Energy Efficiency
-
- Eco Mode for Reduced Power Consumption
- Automatic Shutoff at High Engine Load
- Variable Compressor Operation
- User interface
-
- LCD Display for Climate Settings
- Steering Wheel Controls
- Voice Command Integration
Safety Features
- System Monitoring
-
- Refrigerant Pressure Sensor
- Temperature Overload Protection
- Compressor Overheat Shutdown
- Air Quality
-
- CO2 Sensor for Cabin Air Quality
- Automatic Recirculation in Polluted Areas
- Emergency Features
-
- Defogging Priority in Low Visibility
- Automatic Airflow Redirection in Case of Fire
Comfort Features
- Temperature Control
-
- Precision Temperature Adjustment
- Heated Seats Integration
- Cooled Seats Option
- Airflow Control
-
- Adjustable Vent Direction
- Quiet Mode for Reduced Noise
- Gentle Airflow for Night Mode
- Customization
-
- Driver and Passenger Profiles
- Memory Settings for Climate Preferences
- Remote Start Climate Preconditioning
Accessories
- Filters
-
- Cabin Air Filter
- Pollen Filter
- Activated Carbon Filter
- Upgrades
-
- Rear Seat Climate Control
- Aromatherapy Diffuser
- Ionizer for Air Purification
- Tools
-
- Refrigerant Recharge Kit
- Diagnostic Scanner for HVAC
- Cleaning Kit for Vents
Maintenance
- Service interval
- Every 15,000 miles or 12 months
- Service Items
-
- Inspect Refrigerant Levels
- Replace Cabin Air Filter
- Check Compressor Belt Tension
- Clean Evaporator and Condenser Coils
- Test Blower Motor Functionality
- Maintenance Notes
- Use only manufacturer-approved refrigerants and lubricants.
Warranty
- Basic Coverage
- Miles: 50,000Years: 4Coverage: Parts and Labor
- Compressor Coverage
- Miles: 100,000Years: 7Coverage: Compressor and Seals
- Extended Coverage
- Miles: 75,000Years: 5Coverage: Full HVAC System
- Warranty Terms
- Coverage void if unauthorized repairs are performed.
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Precision CNC Machining for Components
- Automated Assembly Line
- Leak Testing for Refrigerant Lines
- Quality Control
- Testing: Pressure Testing for Condenser, Airflow Calibration, Noise Level VerificationCertifications: ISO 9001, ISO 14001
- Sustainability Practices
-
- Recyclable Materials for Ducting
- Low-GWP Refrigerant
- Energy-Efficient Manufacturing
- Production Metrics
- Annual Output: 500,000 UnitsDefect Rate: 0.01%Lead Time: 2 Weeks
Service Information for HVAC Service
Maintenance and service requirements specific to the HVAC system
- Inspect Refrigerant Levels
- Replace Cabin Air Filter
- Check Compressor Belt Tension
- Clean Evaporator and Condenser Coils
- Test Blower Motor Functionality
Ensure refrigerant levels are within manufacturer specifications.
- Inspect and Clean Ducting
- Check Electrical Connections
- Test Temperature Sensors
- Verify Airflow Distribution
Use diagnostic tools to verify sensor accuracy.
- Replace Refrigerant
- Inspect Compressor for Wear
- Check Condenser for Damage
- Perform Full System Calibration
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 M-Class models?
Is the HVAC system compatible with all 2005-2011 Mercedes M-Class models?
The HVAC system is compatible with all 2005-2011 Mercedes M-Class models, including ML350, ML450, ML550, and ML63 AMG. However, specific configurations may vary based on the trim level and optional packages. Always verify compatibility using your vehicle's VIN or consult the official Mercedes-Benz parts catalog for precise details.
Q2 What are the maintenance requirements for the HVAC system?
What are the maintenance requirements for the HVAC system?
The HVAC system requires regular maintenance, including cabin air filter replacement every 15,000-20,000 miles, refrigerant level checks every 30,000 miles, and system inspections for leaks or wear annually. Additionally, ensure the blower motor and condenser are cleaned periodically to maintain optimal performance and prevent system failures.
Q3 How do I replace the cabin air filter in my Mercedes M-Class?
How do I replace the cabin air filter in my Mercedes M-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 cooling properly?
What should I do if my HVAC system is not cooling properly?
If your HVAC system is not cooling, check the refrigerant levels and inspect for leaks. Ensure the compressor is functioning and the condenser is not blocked. If the issue persists, inspect the blower motor and cabin air filter for obstructions. If no visible issues are found, consult a certified technician for a diagnostic scan to identify potential electrical or sensor-related problems.
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, replace the cabin air filter as recommended, and ensure the refrigerant levels are within specifications. Use the recirculation mode during extreme temperatures to reduce system strain. Additionally, park in shaded areas to minimize heat buildup and reduce the workload on the HVAC 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 M-Class HVAC Service Manual
Coming SoonThis manual provides detailed instructions for servicing and repairing the HVAC system in 2005-2011 Mercedes M-Class vehicles, including diagrams and troubleshooting tips.
Technical Service Bulletin: HVAC System Updates
Coming SoonThis bulletin outlines updates and fixes for common HVAC system issues in 2005-2011 Mercedes M-Class models, including software updates and component replacements.
Mercedes M-Class HVAC Parts Catalog
Coming SoonThis catalog lists all HVAC components and accessories for 2005-2011 Mercedes M-Class vehicles, including part numbers and compatibility details.
About the Author
Expert automotive knowledge and experience
'/%3E%3Cpath d='M60 30a20 20 0 1 1 0 40 20 20 0 0 1 0-40zm0 45c16.5 0 30 7.5 30 16.8V100H30v-8.2c0-9.3 13.5-16.8 30-16.8z' fill='%23404040'/%3E%3C/svg%3E)
Diagnostic
Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.
Repair
Expert in both traditional mechanical repairs and modern vehicle systems.
Additional Expertise
Documentation
Created over 500 detailed repair guides and technical documents.
Training
Conducted technical training sessions and contributed to repair databases.
Certifications & Research
Certifications
- ASE Master Technician Certification
- Advanced Diagnostic Specialist
- Hybrid/Electric Vehicle Systems
- Performance Tuning Expert
Research & Community
Actively researches emerging technologies and contributes to automotive forums.
Legal Disclaimer
Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
Warranty & Liability
The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.