Mercedes-Benz Mercedes CLS 2004-2010 Electrical Specifications
Explore detailed electrical specifications for the 2004-2010 Mercedes-Benz CLS-Class, including battery, alternator, fuse box, wiring, and lighting system details. Essential for maintenance, troubleshooting, and repairs.
Overview Specifications
This document provides detailed electrical specifications for the 2004-2010 Mercedes-Benz CLS. It covers key components, systems, and technical details to assist users in understanding the vehicle's electrical architecture. Use this guide for maintenance, troubleshooting, or upgrading purposes. The document is organized into sections for easy navigation, with a quick reference table for essential specifications.
How to Use
Use the search function to find specific terms or components. Enter keywords like 'battery', 'alternator', or 'lighting' to locate relevant sections quickly.
Navigate through sections using the table of contents. Each section is divided into subsections with detailed technical points for easy reference.
Key Specifications
Battery Voltage
12V
Alternator Output
150 A
Headlight Type
Bi-xenon
ECM Communication
CAN bus
Ambient Lighting
LED
Available Specifications
Battery and Charging System
This section covers the battery specifications, alternator output, and charging system details for the 2004-2010 Mercedes-Benz CLS. It includes information on voltage, capacity, and maintenance requirements.
Battery and Charging System
This section covers the battery specifications, alternator output, and charging system details for the 2004-2010 Mercedes-Benz CLS. It includes information on voltage, capacity, and maintenance requirements.
Battery Specifications
- 12V lead-acid battery
- Capacity: 70-90 Ah
- Cold cranking amps (CCA): 600-800 A
- Maintenance-free design
- Replacement interval: 4-6 years
Alternator and Charging
- Alternator output: 120-150 A
- Voltage regulator integrated
- Charging voltage: 13.8-14.4 V
- Belt-driven operation
- Diagnostic fault codes available
Lighting System
This section details the lighting system, including headlights, taillights, and interior lighting. It provides information on bulb types, wattage, and replacement procedures.
Lighting System
This section details the lighting system, including headlights, taillights, and interior lighting. It provides information on bulb types, wattage, and replacement procedures.
Exterior Lighting
- Bi-xenon headlights standard
- LED daytime running lights
- Halogen fog lights
- Automatic headlight leveling
- Adaptive lighting system optional
Interior Lighting
- LED ambient lighting
- Map lights: 5W halogen
- Dome light: 10W halogen
- Footwell lighting optional
- Automatic dimming feature
Electrical Control Units
This section explains the various control units in the vehicle, including the engine control module (ECM), body control module (BCM), and infotainment system. It covers their functions and communication protocols.
Electrical Control Units
This section explains the various control units in the vehicle, including the engine control module (ECM), body control module (BCM), and infotainment system. It covers their functions and communication protocols.
Engine Control Module (ECM)
- Manages fuel injection and ignition
- Supports OBD-II diagnostics
- CAN bus communication
- Firmware update capability
- Error code storage
Body Control Module (BCM)
- Controls central locking system
- Manages power windows and mirrors
- Monitors interior lighting
- Supports keyless entry
- Diagnostic interface available
Search Specifications
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Component Specifications
Overview
- Type
- 12V DC system
- Configuration
- Negative ground
- Platform
- W219
- Material
- Copper wiring, aluminum connectors
- Location
- Distributed throughout vehicle
Dimensions
- Battery Length
- 12.5 in (31.75 cm)
- Battery Width
- 6.8 in (17.27 cm)
- Battery Height
- 7.5 in (19.05 cm)
- Alternator Diameter
- 5.9 in (15 cm)
- Alternator Length
- 8.3 in (21 cm)
- Wiring Harness Length
- 328 ft (100 m)
- Fuse Box Dimensions
- 8.7 x 5.9 x 3.1 in (22 x 15 x 8 cm)
Materials
- Wiring
- Copper with PVC insulation
- Connectors
- Aluminum with corrosion-resistant coating
- Battery Case
- Polypropylene
- Alternator Housing
- Aluminum alloy
- Fuse Box
- Thermoplastic
Features
- Lighting
-
- Bi-xenon headlights
- Adaptive front lighting system
- LED daytime running lights
- Automatic headlight leveling
- Power Distribution
-
- Central fuse box
- Intelligent alternator control
- Power management system
- Multiple power distribution points
- Sensors
-
- Rain/light sensor
- Tire pressure monitoring
- Parking sensors
- Battery monitoring sensor
- Entertainment
-
- COMAND system
- Bose surround sound
- Bluetooth connectivity
- SD card reader
- Climate Control
-
- Thermotronic automatic climate control
- Rear seat climate control
- Solar sensor
- Air quality sensor
- Safety
-
- Electronic Stability Program (ESP)
- Brake Assist (BAS)
- Anti-lock Braking System (ABS)
- Distronic cruise control
Safety Features
- Circuit Protection
-
- Multiple fuses
- Circuit breakers
- Overload protection
- Emergency Features
-
- Automatic hazard lights
- Emergency call system
- Battery disconnect in crash
- Fire Prevention
-
- Flame-retardant wiring
- Thermal fuses
- Short-circuit protection
Comfort Features
- Lighting
-
- Ambient interior lighting
- Automatic dimming mirrors
- Welcome home lighting
- Seats
-
- Electrically adjustable seats
- Seat heating
- Memory function
- Windows
-
- One-touch operation
- Anti-trap protection
- Rain closing function
- Steering
-
- Electrically adjustable steering column
- Speed-sensitive power steering
- Steering wheel controls
Accessories
- Charging
-
- 12V power outlets
- USB charging port
- Wireless charging pad
- Connectivity
-
- Bluetooth interface
- Auxiliary input
- Media interface
- Security
-
- Keyless Go system
- Alarm system
- Immobilizer
Maintenance
- Service interval
- Every 10,000 miles or 12 months
- Service Items
-
- Battery inspection
- Alternator belt check
- Fuse inspection
- Wiring harness inspection
- Ground connections check
- Software updates
- Maintenance Notes
- Use only Mercedes-approved electrical components
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Electrical components
- Battery
- Miles: 100,000Years: 8Coverage: Original battery replacement
- Corrosion
- Miles: UnlimitedYears: 30Coverage: Wiring corrosion protection
- Software
- Miles: UnlimitedYears: 4Coverage: Electrical system software updates
Production Details
- Manufacturer
- Mercedes-Benz
- Manufacturing Process
-
- Automated wiring harness assembly
- Precision connector manufacturing
- Robotic component testing
- Quality Control
- Testing: High-voltage testing, Vibration testing, Temperature cyclingCertifications: ISO 9001, ISO 14001, ISO 26262
- Sustainability Practices
-
- Lead-free soldering
- Recyclable materials
- Energy-efficient production
- Production Metrics
- Units Per Day: 500Defect Rate: 0.01%Energy Consumption: 15 kWh per unit
Service Information for electrical Service
Maintenance and service requirements specific to the electrical system
- Battery voltage check
- Alternator output test
- Fuse inspection
- Ground connections check
- Software update check
Use diagnostic computer for system check
- Battery load test
- Alternator belt replacement
- Wiring harness inspection
- Connector corrosion check
- Lighting system alignment check
Replace battery if capacity below 70%
- Complete electrical system diagnostic
- Battery replacement
- Alternator performance test
- Ground strap replacement
- Fuse box inspection
Requires specialized diagnostic equipment
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the electrical system specifications for the 2004-2010 Mercedes CLS?
What are the electrical system specifications for the 2004-2010 Mercedes CLS?
The 2004-2010 Mercedes CLS features a 12-volt electrical system with a 120-amp alternator. It includes advanced systems like CAN-Bus wiring, adaptive lighting, and optional features such as COMAND infotainment. The battery is typically a 12V 80Ah AGM type. Compatibility with aftermarket components varies, so always verify specifications with OEM or certified parts to ensure proper integration.
Q2 What maintenance is required for the electrical system of the 2004-2010 Mercedes CLS?
What maintenance is required for the electrical system of the 2004-2010 Mercedes CLS?
Regular maintenance includes inspecting the battery terminals for corrosion, checking the alternator output, and ensuring all fuses and relays are functional. The battery should be tested annually, and the charging system should be inspected every 30,000 miles. Additionally, software updates for the COMAND system and other electronic modules should be performed as recommended by Mercedes-Benz.
Q3 How do I replace the battery in a 2004-2010 Mercedes CLS?
How do I replace the battery in a 2004-2010 Mercedes CLS?
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 is securely clamped. Reconnect the positive terminal first, then the negative terminal. Reset the battery management system using a diagnostic tool to ensure proper functionality.
Q4 What should I do if the electrical system in my 2004-2010 Mercedes CLS malfunctions?
What should I do if the electrical system in my 2004-2010 Mercedes CLS malfunctions?
Start by checking the battery voltage and connections. If the issue persists, inspect fuses and relays for damage. Use a diagnostic scanner to read fault codes from the onboard computer. Common issues include faulty alternators, dead batteries, or malfunctioning control modules. If the problem is unresolved, consult a certified Mercedes-Benz technician for further diagnosis.
Q5 How can I optimize the electrical system performance in my 2004-2010 Mercedes CLS?
How can I optimize the electrical system performance in my 2004-2010 Mercedes CLS?
Ensure the battery is fully charged and in good condition. Use high-quality AGM batteries for better performance. Regularly update the vehicle's software to the latest version. Avoid overloading the electrical system with aftermarket accessories unless they are compatible. Periodically clean battery terminals and inspect wiring for wear or damage to maintain optimal performance.
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 CLS-Class Service Manual (2004-2010)
Coming SoonComprehensive guide covering electrical system maintenance, troubleshooting, and repair procedures for the 2004-2010 Mercedes CLS.
Technical Service Bulletin: Electrical System Updates
Coming SoonDetails software updates and fixes for common electrical system issues in the 2004-2010 Mercedes CLS.
Mercedes-Benz CLS Parts Catalog
Coming SoonOfficial catalog listing OEM electrical components and accessories for the 2004-2010 Mercedes CLS.
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Technical Information
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