Mercedes-Benz Mercedes SL 2012-present Electrical Specifications
Comprehensive guide to the electrical system specifications for the 2012-Present Mercedes-Benz SL-Class, including battery, alternator, starter motor, and control module details for maintenance and repair.
Overview Specifications
This document provides detailed electrical specifications for the 2012-Present Mercedes SL models. It is designed to assist technicians, engineers, and enthusiasts in understanding the electrical systems and components of these vehicles. The document is divided into major sections, each focusing on a specific aspect of the electrical system. Use the search functionality to quickly locate specific terms or navigate through the sections for a comprehensive understanding.
How to Use
Use the search bar to enter keywords related to the electrical components or systems you are interested in. The search results will highlight relevant sections and subsections for quick access.
Navigate through the document by clicking on the section titles in the table of contents. Each section contains subsections with detailed technical points for in-depth understanding.
Key Specifications
Battery Voltage
12V
Alternator Output
180A
Headlight Type
LED
Audio Output
590W
Display Size
10.25 inches
Available Specifications
Battery and Charging System
This section covers the battery specifications, charging system components, and maintenance tips for the Mercedes SL. It includes details on the battery type, voltage, and charging behavior to ensure optimal performance and longevity.
Battery and Charging System
This section covers the battery specifications, charging system components, and maintenance tips for the Mercedes SL. It includes details on the battery type, voltage, and charging behavior to ensure optimal performance and longevity.
Battery Specifications
- 12V AGM battery
- Capacity: 92Ah
- Cold cranking amps: 850A
- Maintenance-free design
- Enhanced durability for start-stop systems
Charging System
- Alternator output: 180A
- Intelligent alternator control
- Voltage regulator: 14.4V
- Energy recovery system
- Diagnostics via onboard computer
Lighting System
This section details the advanced lighting systems used in the Mercedes SL, including headlights, taillights, and interior lighting. It highlights the technology and features that enhance visibility and safety.
Lighting System
This section details the advanced lighting systems used in the Mercedes SL, including headlights, taillights, and interior lighting. It highlights the technology and features that enhance visibility and safety.
Exterior Lighting
- LED headlights with adaptive high beam
- Dynamic light sequencing
- LED taillights with animated turn signals
- Cornering lights for improved visibility
- Automatic headlight leveling
Interior Lighting
- Ambient lighting with 64 colors
- LED reading lights
- Illuminated door sills
- Customizable lighting themes
- Adjustable brightness control
Infotainment and Connectivity
This section explores the infotainment and connectivity features of the Mercedes SL, including the COMAND system, audio components, and wireless technologies. It provides insights into the integration and functionality of these systems.
Infotainment and Connectivity
This section explores the infotainment and connectivity features of the Mercedes SL, including the COMAND system, audio components, and wireless technologies. It provides insights into the integration and functionality of these systems.
COMAND System
- 10.25-inch touchscreen display
- Navigation with real-time traffic
- Voice control with natural language processing
- Apple CarPlay and Android Auto integration
- Wi-Fi hotspot capability
Audio System
- Burmester surround sound system
- 13-speaker configuration
- Total output: 590W
- High-resolution audio support
- Bluetooth audio streaming
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 Lithium-Ion Battery
- Configuration
- Parallel Hybrid System
- Platform
- MRA (Modular Rear Architecture)
- Material
- High-strength Steel Housing
- Location
- Rear Axle
Dimensions
- Battery Length
- 18.5 in (470 mm)
- Battery Width
- 14.2 in (360 mm)
- Battery Height
- 7.1 in (180 mm)
- Cable Length
- 78.7 in (2000 mm)
- Alternator Output
- 180 A
- Starter Motor Power
- 2.2 kW
- Voltage System
- 12 V
Materials
- Battery Case
- Thermoplastic Polymer
- Cable insulation
- Silicone Rubber
- Connectors
- Copper Alloy
- Alternator Housing
- Aluminum
Features
- Charging
-
- Regenerative Braking
- Fast Charging Capability
- Smart Charging System
- Management
-
- Battery Management System (BMS)
- Energy Recovery System
- Thermal Management
- Lighting
-
- LED Headlights
- Adaptive Highbeam Assist
- Ambient Lighting
- infotainment
-
- MBUX Multimedia System
- Touchscreen Display
- Voice Control
- Safety
-
- Emergency Battery Disconnect
- Overload Protection
- Short Circuit Protection
Safety Features
- Protection
-
- IP67 Water Resistance
- Overheat Protection
- Crash Detection
- Monitoring
-
- Real-time Battery Monitoring
- Voltage Regulation
- Current Limiting
Comfort Features
- Climate
-
- Dual-Zone Climate Control
- Heated Seats
- Ventilated Seats
- Convenience
-
- Keyless Go
- Power Windows
- Power Tailgate
- Navigation
-
- GPS Navigation
- Traffic Sign Recognition
- Parking Assist
Accessories
- Charging
-
- Portable Charger
- Wallbox
- Cable Set
- Upgrades
-
- Enhanced Battery Pack
- Performance Software
- Custom Lighting
- Maintenance
-
- Battery Tester
- Cleaning Kit
- Protective Cover
Maintenance
- Service interval
- Every 10,000 miles or 12 months
- Service Items
-
- Battery Health Check
- Charging System Inspection
- Cable Integrity Test
- Alternator Performance Test
- Software Update
- Maintenance Notes
- Ensure all connections are clean and tight. Use only approved diagnostic tools.
Warranty
- Battery Warranty
- Years: 8Miles: 100,000Coverage: Capacity Retention
- Electrical Warranty
- Years: 4Miles: 50,000Coverage: Parts and Labor
- Hybrid Warranty
- Years: 6Miles: 75,000Coverage: Hybrid Components
- Warranty Terms
- Transferable to subsequent owners. Excludes wear and tear items.
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Automated Assembly
- Precision Welding
- Quality Testing
- Quality Control
- Testing: 100% Component TestingCertifications: ISO 9001inspection: Final Inspection
- Sustainability
-
- Recyclable Materials
- Energy-efficient Production
- Low Emissions
- Production Metrics
- Units Per Day: 500Defect Rate: 0.01%Energy Usage: 2.5 kWh per unit
Service Information for Electrical Service
Maintenance and service requirements specific to the electrical system
- Battery Health Check
- Charging System Inspection
- Cable Integrity Test
- Alternator Performance Test
- Software Update
Ensure all connections are clean and tight. Use only approved diagnostic tools.
- Battery Load Test
- Charging Port Inspection
- Ground Connection Check
- System Performance Test
- Firmware Update
Special tools required for load testing. Ensure proper ventilation during testing.
- Battery Replacement if needed
- Complete System Overhaul
- Component Replacement
- Performance Testing
- Comprehensive Diagnostics
Critical to follow manufacturer guidelines for battery replacement. Ensure proper disposal of old components.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the electrical system compatibility requirements for the 2012-Present Mercedes SL?
What are the electrical system compatibility requirements for the 2012-Present Mercedes SL?
The 2012-Present Mercedes SL electrical system is designed to support advanced features like COMAND infotainment, adaptive lighting, and hybrid powertrains (for SL 43/53 AMG models). It requires a 12V battery with specific cold-cranking amps (CCA) and reserve capacity (RC) for optimal performance. Compatibility with third-party accessories depends on adherence to CAN bus protocols and voltage requirements. Always consult the vehicle’s technical specifications before installing aftermarket components.
Q2 What are the maintenance requirements for the Mercedes SL electrical system?
What are the maintenance requirements for the Mercedes SL electrical system?
The Mercedes SL electrical system requires regular inspection of the battery, alternator, and wiring harnesses. The battery should be tested every 12 months for voltage and CCA levels. Fuses and relays should be checked during routine service intervals. Software updates for the COMAND system and ECU should be performed via authorized Mercedes-Benz service centers. Keep the system clean and free from moisture to prevent corrosion.
Q3 How do I replace the battery in a 2012-Present Mercedes SL?
How do I replace the battery in a 2012-Present Mercedes SL?
To replace the battery, first, ensure the vehicle is off and keys are removed. Locate the battery in the trunk. Disconnect the negative terminal followed by 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 monitoring system using a diagnostic tool or by following the vehicle’s manual.
Q4 What should I do if my Mercedes SL electrical system malfunctions?
What should I do if my Mercedes SL electrical system malfunctions?
If the electrical system malfunctions, start by checking the battery voltage and connections. Inspect fuses and relays for damage. Use a diagnostic scanner to read fault codes from the ECU. Common issues include failing sensors, corroded connectors, or software glitches. If the problem persists, consult a certified Mercedes-Benz technician. Avoid attempting repairs on advanced systems like the COMAND or hybrid components without proper training.
Q5 How can I optimize the performance of my Mercedes SL electrical system?
How can I optimize the performance of my Mercedes SL electrical system?
To optimize performance, ensure the battery is fully charged and in good condition. Use high-quality components and accessories that meet Mercedes-Benz specifications. Regularly update the vehicle’s software to benefit from performance enhancements and bug fixes. Minimize electrical load by turning off unused systems. Consider upgrading to a high-performance battery if using advanced features frequently. Always follow the manufacturer’s guidelines for maintenance and usage.
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 SL Service Manual
Coming SoonComprehensive guide covering electrical system maintenance, diagnostics, and repairs for the 2012-Present Mercedes SL.
Technical Service Bulletin: Electrical System Updates
Coming SoonDetails recent updates and fixes for the electrical system, including software patches and hardware improvements.
Mercedes-Benz SL Parts Catalog
Coming SoonOfficial catalog listing all electrical components, accessories, and replacement parts for the 2012-Present Mercedes SL.
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.