Mercedes-Benz Mercedes SLK 2004-2010 Electrical Specifications
Discover the electrical specifications for the 2004-2010 Mercedes SLK R171, including wiring diagrams, fuse box layouts, battery requirements, and more. This guide is essential for troubleshooting, maintenance, and upgrades.
Overview Specifications
This document provides detailed electrical specifications for the 2004-2010 Mercedes SLK. It is designed to assist owners, technicians, and enthusiasts in understanding the vehicle's electrical systems, including battery, alternator, lighting, and onboard electronics. Use this guide to troubleshoot issues, perform maintenance, or upgrade components. Each section is organized for easy navigation, with subsections breaking down specific electrical features and their technical details.
How to Use
Use the search functionality to quickly find specific terms or components. Enter keywords like 'battery' or 'headlights' to locate relevant sections. This is especially useful for troubleshooting or identifying specific parts.
Navigate through the document by scrolling or using the table of contents. Each major section is labeled clearly, and subsections provide detailed breakdowns. Use the quick reference section for a summary of key electrical specifications.
Key Specifications
Battery Voltage
12V
Alternator Output
150A
Headlight Type
Bi-xenon
Infotainment Display
7-inch LCD
Parking Sensors
Front and rear
Available Specifications
Battery and Charging System
This section covers the battery, alternator, and charging system of the 2004-2010 Mercedes SLK. It includes details on voltage, capacity, and maintenance requirements to ensure optimal performance and longevity.
Battery and Charging System
This section covers the battery, alternator, and charging system of the 2004-2010 Mercedes SLK. It includes details on voltage, capacity, and maintenance requirements to ensure optimal performance and longevity.
Battery Specifications
- Battery type: AGM (Absorbent Glass Mat)
- Voltage: 12V
- Capacity: 70Ah
- Cold cranking amps (CCA): 760A
- Maintenance-free design
- Location: Trunk compartment
Alternator Specifications
- Output: 150A
- Voltage regulation: 14V
- Belt-driven system
- Integrated voltage regulator
- Compatible with start-stop technology
Lighting System
Explore the lighting system of the Mercedes SLK, including headlights, taillights, and interior lighting. This section provides technical details on bulb types, wattage, and features like adaptive lighting.
Lighting System
Explore the lighting system of the Mercedes SLK, including headlights, taillights, and interior lighting. This section provides technical details on bulb types, wattage, and features like adaptive lighting.
Exterior Lighting
- Headlights: Bi-xenon with adaptive feature
- Taillights: LED technology
- Fog lights: Halogen, 55W
- Turn signals: LED
- Daytime running lights: Integrated in headlights
Interior Lighting
- Dashboard: LED backlighting
- Dome light: 10W halogen
- Ambient lighting: Adjustable color options
- Reading lights: LED, 5W
- Trunk light: 5W halogen
Onboard Electronics
This section details the onboard electronics, including the infotainment system, navigation, and driver assistance features. Learn about the connectivity options, display specifications, and control interfaces.
Onboard Electronics
This section details the onboard electronics, including the infotainment system, navigation, and driver assistance features. Learn about the connectivity options, display specifications, and control interfaces.
Infotainment System
- Audio system: Harman Kardon, 10 speakers
- Display: 7-inch LCD
- Connectivity: Bluetooth, AUX, USB
- Navigation: COMAND APS system
- Voice control: Integrated
Driver Assistance
- Parking sensors: Front and rear
- Cruise control: Adaptive feature
- Rain-sensing wipers
- Headlight assist: Automatic high beam
- Tire pressure monitoring system
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Component Specifications
Overview
- Type
- 12V DC system
- Configuration
- Negative ground
- Battery Type
- AGM (Absorbent Glass Mat)
- Alternator Output
- 150A
- Location
- Front engine compartment
- Wiring Harness
- CAN-BUS system
Dimensions
- Battery Length
- 12.5 in (317.5 mm)
- Battery Width
- 6.875 in (174.6 mm)
- Battery Height
- 7.5 in (190.5 mm)
- Alternator Diameter
- 5.5 in (140 mm)
- Alternator Length
- 7.25 in (184 mm)
- Fuse Box Width
- 8.25 in (209.6 mm)
- Fuse Box Depth
- 3.125 in (79.4 mm)
Materials
- Battery Case
- Polypropylene
- Alternator Housing
- Aluminum alloy
- Wiring
- Copper with PVC insulation
- Fuse Box
- Thermoplastic
- Connectors
- Nylon with gold-plated contacts
Features
- Lighting
-
- Xenon headlights
- LED tail lights
- Automatic headlight leveling
- Daytime running lights
- infotainment
-
- COMAND APS navigation
- Bluetooth connectivity
- Harmon Kardon sound system
- SiriusXM satellite radio
- Sensors
-
- Rain-sensing wipers
- Light sensor
- Parking sensors
- Tire pressure monitoring
- Climate Control
-
- Automatic dual-zone climate control
- Heated seats
- Wind deflector
- Air scarf system
- Security
-
- Anti-theft alarm
- Immobilizer system
- Central locking
- Remote keyless entry
Safety Features
- Lighting
-
- Adaptive brake lights
- Emergency brake light assist
- Electrical Protection
-
- Short-circuit protection
- Overload protection
- Stability
-
- Electronic Stability Program (ESP)
- Anti-lock Braking System (ABS)
Comfort Features
- Seating
-
- Electrically adjustable seats
- Memory function for driver seat
- Convenience
-
- Electrically folding mirrors
- Power windows
- Automatic dimming rearview mirror
- Climate
-
- Heated windshield
- Air conditioning with pollen filter
- Audio
-
- Steering wheel audio controls
- CD changer
Accessories
- interior
-
- Ambient lighting
- Cup holders
- Storage compartments
- Exterior
-
- Wind deflector
- Chrome accents
- Alloy wheels
- Technology
-
- Bluetooth adapter
- USB charger
- Phone cradle
Maintenance
- Service interval
- Every 10,000 miles or 12 months
- Service Items
-
- Battery inspection
- Alternator belt check
- Fuse inspection
- Wiring harness check
- Ground connections inspection
- Maintenance Notes
- Use only AGM batteries for replacement, ensure all electrical connections are clean and tight
Warranty
- Battery Warranty
- Years: 4Miles: 50,000Coverage: Replacement for defective battery
- Alternator Warranty
- Years: 3Miles: 36,000Coverage: Repair or replacement
- Electrical System Warranty
- Years: 2Miles: 24,000Coverage: Diagnosis and repair of electrical faults
- Extended Warranty
- Years: 5Miles: 100,000Coverage: Comprehensive electrical system coverage
Production Details
- Manufacturer
- Mercedes-Benz
- Manufacturing Process
-
- Automated assembly
- Quality control testing
- Environmental stress screening
- Quality Control
- Testing: Voltage drop testing, Current load testing, Insulation resistance testingStandards: ISO 9001 certified
- Sustainability Practices
-
- Recycling of old batteries
- Use of lead-free soldering
- Eco-friendly packaging
- Production Metrics
- Units Produced: 150,000Defect Rate: 0.1%Energy Efficiency: 95%
Service Information for electrical Service
Maintenance and service requirements specific to the electrical system
- Battery voltage check
- Alternator output test
- Fuse box inspection
- Lighting system check
- Ground connections inspection
Ensure all electrical connections are clean and tight
- Battery load test
- Alternator belt tension check
- Wiring harness inspection
- Sensor functionality test
- Security system check
Replace alternator belt if signs of wear are detected
- Battery replacement if necessary
- Alternator performance test
- Complete electrical system diagnostic
- Ground strap replacement
- Infotainment system update
Use only OEM parts for replacements to ensure compatibility
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is the electrical system of the 2004-2010 Mercedes SLK compatible with aftermarket accessories?
Is the electrical system of the 2004-2010 Mercedes SLK compatible with aftermarket accessories?
The electrical system of the 2004-2010 Mercedes SLK is designed to support factory-installed components and some aftermarket accessories. However, compatibility varies based on the specific accessory. It’s essential to verify voltage requirements, wiring compatibility, and ensure the accessory does not exceed the vehicle’s electrical load capacity. Consult the owner’s manual or a certified technician for detailed specifications.
Q2 What are the maintenance requirements for the SLK's electrical system?
What are the maintenance requirements for the SLK's electrical system?
Regular maintenance for the SLK’s electrical system includes checking the battery for corrosion and charge level, inspecting wiring for wear or damage, and ensuring all fuses and relays function properly. The alternator and starter should be tested periodically. It’s recommended to follow the manufacturer’s service schedule, typically every 10,000 miles or annually, to prevent electrical failures.
Q3 How do I replace the battery in a 2004-2010 Mercedes SLK?
How do I replace the battery in a 2004-2010 Mercedes SLK?
To replace the battery, first, locate it in the trunk or engine compartment. Disconnect the negative terminal followed by the positive terminal. Remove any securing brackets and carefully lift out the old battery. Install the new battery, secure it, and reconnect the terminals in reverse order. Ensure the battery is compatible with the SLK’s specifications and reset any electronic systems if necessary.
Q4 What should I do if my SLK’s electrical system malfunctions?
What should I do if my SLK’s electrical system malfunctions?
If you experience electrical issues, start by checking the battery and connections for corrosion or looseness. Inspect fuses and relays for damage. Use a diagnostic tool to scan for error codes. Common issues include faulty alternators, bad wiring, or failing sensors. If the problem persists, consult a professional technician for further diagnostics and repair.
Q5 How can I optimize the performance of my SLK’s electrical system?
How can I optimize the performance of my SLK’s electrical system?
To optimize performance, ensure the battery is fully charged and terminals are clean. Use high-quality fuses and relays. Regularly inspect wiring for damage. Avoid overloading the system with unnecessary accessories. Consider upgrading to a high-output alternator if using power-intensive components. Always follow the manufacturer’s guidelines for maintenance and upgrades.
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 SLK 2004-2010 Service Manual
Coming SoonThis comprehensive manual covers all aspects of maintenance, repair, and troubleshooting for the SLK, including electrical systems.
Technical Service Bulletin: Electrical System Updates
Coming SoonThis bulletin outlines updates and improvements to the SLK’s electrical system, including software patches and hardware modifications.
Mercedes SLK Parts and Accessories Catalog
Coming SoonThis catalog provides detailed information on OEM and compatible aftermarket parts for the SLK, including electrical components.
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