Mercedes-Benz Mercedes CLK 2002-2009 Electrical Specifications
Explore the comprehensive electrical specifications for the 2002-2009 Mercedes-Benz CLK. Learn about the battery, alternator, wiring, and lighting systems to optimize performance and troubleshoot issues effectively.
Overview Specifications
This document provides detailed electrical specifications for the 2002-2009 Mercedes CLK series. It covers essential components, systems, and technical details to assist in understanding the vehicle's electrical architecture. Use this guide for maintenance, troubleshooting, or upgrading purposes. The information is organized into major sections, each focusing on specific electrical aspects of the vehicle.
How to Use
Use the search functionality to quickly locate specific electrical components or systems by entering relevant keywords such as 'battery', 'wiring', or 'lighting'. This helps in finding precise information without browsing through the entire document.
Navigate through the document by selecting the desired section from the table of contents. Each section is divided into subsections, making it easy to find detailed information on specific electrical systems or components.
Key Specifications
Battery Voltage
12V
Alternator Output
150A
Headlight Power
35W
Ignition Coil Voltage
40,000V
Audio Output
500W
Available Specifications
Battery and Charging System
This section covers the battery specifications, charging system components, and related electrical details for the Mercedes CLK. It includes information on voltage, capacity, and maintenance tips to ensure optimal performance and longevity of the battery and charging system.
Battery and Charging System
This section covers the battery specifications, charging system components, and related electrical details for the Mercedes CLK. It includes information on voltage, capacity, and maintenance tips to ensure optimal performance and longevity of the battery and charging system.
Battery Specifications
- Battery Type: AGM (Absorbent Glass Mat)
- Voltage: 12V
- Capacity: 70 Ah
- Cold Cranking Amps (CCA): 760A
- Maintenance-Free Design
- Location: Trunk or Engine Bay (varies by model)
Charging System
- Alternator Type: Bosch
- Alternator Output: 150A
- Voltage Regulator: Integrated
- Charging Voltage: 13.8V - 14.4V
- Drive Belt: Serpentine
- Charging System Diagnostics: Via OBD-II Port
Lighting Systems
This section details the lighting systems of the Mercedes CLK, including headlights, taillights, interior lights, and control mechanisms. It provides technical specifications and maintenance tips for ensuring proper functioning and compliance with safety standards.
Lighting Systems
This section details the lighting systems of the Mercedes CLK, including headlights, taillights, interior lights, and control mechanisms. It provides technical specifications and maintenance tips for ensuring proper functioning and compliance with safety standards.
Exterior Lighting
- Headlight Type: Bi-Xenon HID
- Headlight Power: 35W
- Taillight Type: LED
- Fog Lights: Halogen
- Turn Signals: LED
- Automatic Headlight Control: Adaptive
Interior Lighting
- Dashboard Lighting: LED
- Dome Light: Halogen
- Footwell Lighting: LED
- Ambient Lighting: Multi-Color LED
- Reading Lights: Halogen
- Lighting Control: CAN Bus
Engine Electrical Systems
This section focuses on the electrical components related to the engine, including ignition, sensors, and control units. It provides detailed information on the specifications and functions of these systems to ensure optimal engine performance.
Engine Electrical Systems
This section focuses on the electrical components related to the engine, including ignition, sensors, and control units. It provides detailed information on the specifications and functions of these systems to ensure optimal engine performance.
Ignition System
- Ignition Type: Coil-on-Plug
- Spark Plugs: Iridium
- Ignition Coil Voltage: 40,000V
- Ignition Timing: ECU Controlled
- Spark Plug Gap: 0.8mm
- Ignition System Diagnostics: Via OBD-II Port
Engine Control Unit (ECU)
- ECU Type: Bosch ME 9.7
- Input Sensors: MAF, MAP, O2, Crank Position
- Output Controls: Fuel Injectors, Ignition Coils
- ECU Communication: CAN Bus
- Software Updates: Dealer or Specialist Required
- ECU Diagnostics: Via OBD-II Port
Infotainment and Connectivity
This section covers the infotainment and connectivity systems in the Mercedes CLK, including audio, navigation, and communication features. It provides specifications and usage tips to enhance the in-car entertainment experience.
Infotainment and Connectivity
This section covers the infotainment and connectivity systems in the Mercedes CLK, including audio, navigation, and communication features. It provides specifications and usage tips to enhance the in-car entertainment experience.
Audio System
- Head Unit: COMAND APS
- Speakers: Harman Kardon
- Amplifier: 5-Channel
- Audio Output: 500W
- Audio Inputs: CD, AUX, USB
- Bluetooth: Hands-Free Calling
Navigation and Communication
- Navigation System: GPS with Map Updates
- Display: 6.5" Color LCD
- Voice Control: Integrated
- Telematics: Mercedes-Benz Tele Aid
- Phone Integration: Bluetooth
- Traffic Information: Real-Time Updates
Safety and Security Systems
This section details the safety and security electrical systems in the Mercedes CLK, including airbags, ABS, and alarm systems. It provides technical specifications and maintenance tips to ensure the vehicle's safety features are functioning correctly.
Safety and Security Systems
This section details the safety and security electrical systems in the Mercedes CLK, including airbags, ABS, and alarm systems. It provides technical specifications and maintenance tips to ensure the vehicle's safety features are functioning correctly.
Airbag System
- Front Airbags: Dual-Stage
- Side Airbags: Curtain and Seat-Mounted
- Occupant Detection: Weight Sensor
- Crash Sensors: Multi-Point
- Airbag Control Unit: Bosch
- Deployment Speed: 200ms
Anti-Lock Braking System (ABS)
- ABS Type: Bosch 8.0
- Wheel Speed Sensors: Magnetic
- Brake Force Distribution: Electronic
- Traction Control: Integrated
- ABS Diagnostics: Via OBD-II Port
- Hydraulic Unit: Integrated Pump
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
- 12V system
- Configuration
- Negative ground
- Platform
- W209
- Material
- Copper wiring
- Location
- Engine bay and cabin
Dimensions
- Battery Length
- 10.6 inches (269 mm)
- Battery Width
- 6.9 inches (175 mm)
- Battery Height
- 7.5 inches (190 mm)
- Alternator Diameter
- 5.9 inches (150 mm)
- Alternator Width
- 3.9 inches (100 mm)
- Starter Motor Length
- 6.3 inches (160 mm)
- Starter Motor Diameter
- 3.5 inches (89 mm)
Materials
- Battery Case
- Polypropylene
- Alternator Housing
- Aluminum alloy
- Starter Motor Housing
- Steel
- Wiring Harness
- Copper with PVC insulation
Features
- Lighting
-
- Bi-xenon headlights
- LED taillights
- Automatic headlight control
- Daytime running lights
- Power Management
-
- Battery monitoring system
- Energy-saving mode
- Alternator load response
- Start-stop system
- infotainment
-
- COMAND system
- Bluetooth connectivity
- Navigation system
- Voice control
- Safety Systems
-
- Anti-lock braking system (ABS)
- Electronic stability program (ESP)
- Tire pressure monitoring system
- Parking sensors
- Comfort Features
-
- Automatic climate control
- Heated seats
- Power windows
- Keyless entry
Safety Features
- Circuit Protection
-
- Fuse box with 40 fuses
- Circuit breakers
- Overload protection
- Emergency Systems
-
- Hazard warning lights
- Emergency brake assist
- Automatic door unlock
Comfort Features
- Climate Control
-
- Dual-zone automatic climate control
- Air quality sensor
- Rear defrost
- Seating
-
- Heated front seats
- Power adjustable seats
- Memory function
- Lighting
-
- Ambient interior lighting
- Automatic dimming rearview mirror
- Puddle lights
Accessories
- Audio
-
- Premium sound system
- CD changer
- Auxiliary input
- Communication
-
- Hands-free phone system
- Voice command
- Bluetooth audio streaming
- Lighting
-
- Fog lights
- Adaptive headlights
- LED daytime running lights
Maintenance
- Service interval
- Every 10,000 miles or 12 months
- Items
-
- Battery inspection and testing
- Alternator belt replacement
- Starter motor inspection
- Fuse and relay check
- Wiring harness inspection
- Notes
- Use only OEM parts for replacements
Warranty
- Battery Warranty
- Miles: 36,000Years: 2Coverage: Replacement
- Alternator Warranty
- Miles: 50,000Years: 3Coverage: Repair or replacement
- Starter Motor Warranty
- Miles: 50,000Years: 3Coverage: Repair or replacement
- Electrical System Warranty
- Miles: 100,000Years: 4Coverage: Repair
Production Details
- Manufacturer
- Mercedes-Benz
- Manufacturing Process
-
- Automated assembly
- Quality control testing
- Environmental compliance
- Quality Control
- Testing: High-voltage testinginspection: Visual and functional inspection
- Sustainability Practices
-
- Recycling of old batteries
- Lead-free solder
- Energy-efficient production
- Production Metrics
- Units Per Year: 50,000Production Time: 8 hours
Service Information for electrical Service
Maintenance and service requirements specific to this component
- Battery inspection and testing
- Alternator belt inspection
- Starter motor inspection
- Fuse and relay check
- Wiring harness inspection
Ensure all connections are clean and secure
- Battery terminal cleaning
- Alternator belt replacement
- Alternator output test
- Starter motor performance test
- Ground wire inspection
Check for any signs of corrosion or wear
- Battery replacement if needed
- Alternator inspection and testing
- Starter motor inspection and testing
- Complete wiring harness check
- Electrical system diagnostic
Perform full system diagnostic to ensure optimal performance
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the electrical system specifications for the 2002-2009 Mercedes CLK?
What are the electrical system specifications for the 2002-2009 Mercedes CLK?
The 2002-2009 Mercedes CLK features a 12-volt electrical system with a 90-120 Ah battery, depending on the model. It supports advanced systems like CAN-Bus for communication between control units. The alternator output ranges from 120-150 A. Compatibility includes standard Mercedes-Benz electrical components, but aftermarket parts must meet OEM specifications to ensure proper integration and performance.
Q2 What maintenance is required for the electrical system of the 2002-2009 Mercedes CLK?
What maintenance is required for the electrical system of the 2002-2009 Mercedes CLK?
Regular maintenance includes checking the battery health every 6 months, inspecting wiring for wear or corrosion, and ensuring the alternator and starter motor function properly. Replace the battery every 4-5 years. Clean electrical contacts and connectors annually. Follow the manufacturer's service schedule for updates to control unit software and diagnostics to maintain optimal performance.
Q3 How do I replace the battery in a 2002-2009 Mercedes CLK?
How do I replace the battery in a 2002-2009 Mercedes CLK?
To replace the battery, first, disconnect the negative terminal, then the positive terminal. Remove the battery hold-down clamp and carefully lift the battery out. Install the new battery, ensuring it matches the OEM specifications. Reconnect the positive terminal first, then the negative terminal. Secure the hold-down clamp. Reset the vehicle's electronic systems if necessary to avoid errors.
Q4 What should I do if the electrical system in my 2002-2009 Mercedes CLK malfunctions?
What should I do if the electrical system in my 2002-2009 Mercedes CLK malfunctions?
Start by checking the battery voltage with a multimeter; it should read 12.6V when off and 13.7-14.7V when running. Inspect fuses and relays for damage. Use a diagnostic scanner to read fault codes from the control units. Common issues include faulty alternators, corroded wiring, or failing sensors. Address any identified problems promptly to avoid further damage.
Q5 How can I optimize the electrical system performance in my 2002-2009 Mercedes CLK?
How can I optimize the electrical system performance in my 2002-2009 Mercedes CLK?
Ensure the battery is fully charged and in good condition. Use high-quality wiring and connectors to minimize resistance. Regularly update the vehicle's software to the latest version. Avoid overloading the electrical system with aftermarket accessories. Use energy-efficient LED bulbs for lighting. Perform routine diagnostics to identify and resolve potential issues early.
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 CLK 2002-2009 Service Manual
Coming SoonComprehensive guide covering electrical system maintenance, troubleshooting, and repair procedures for the 2002-2009 Mercedes CLK.
Technical Service Bulletin: Electrical System Updates
Coming SoonDetails software updates and fixes for common electrical system issues in the 2002-2009 Mercedes CLK.
Mercedes CLK Electrical Parts Catalog
Coming SoonComplete catalog of OEM electrical components, including part numbers and compatibility details for the 2002-2009 CLK.
About the Author
Expert automotive knowledge and experience
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.