Mercedes-Benz Mercedes S-Class 2014-2020 Electrical Specifications
Explore the detailed electrical specifications for the 2014-2020 Mercedes-Benz S-Class (W222). This guide covers battery, alternator, fuse box, wiring diagrams, and lighting systems, offering essential insights for maintenance, repair, and troubleshooting.
Overview Specifications
This document provides a detailed overview of the electrical specifications for the 2014-2020 Mercedes S-Class. It covers key aspects such as the electrical system, battery, charging, and advanced technologies. Use this guide to understand the technical details of the vehicle's electrical components and systems. The document is structured for easy navigation, with sections dedicated to specific electrical features and a quick reference table for key specifications.
How to Use
Use the search functionality to quickly find specific electrical components or features. Enter keywords related to the topic you are interested in, such as 'battery' or 'charging system', to locate relevant information.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is clearly labeled with a title and description, making it easy to find the information you need.
Key Specifications
Battery Capacity
92Ah
Charging Output
3.6 kW
Alternator Output
180A
LED Headlight Range
650 meters
Infotainment Display Size
12.3 inches
Available Specifications
Electrical System
This section covers the general electrical system of the 2014-2020 Mercedes S-Class, including the main components, wiring, and electrical architecture. It provides insights into the vehicle's electrical infrastructure and how it supports various functionalities.
Electrical System
This section covers the general electrical system of the 2014-2020 Mercedes S-Class, including the main components, wiring, and electrical architecture. It provides insights into the vehicle's electrical infrastructure and how it supports various functionalities.
Main Components
- 12V electrical system with advanced power management
- High-capacity alternator for efficient power generation
- Central gateway module for system integration
- Smart wiring harness for reduced complexity
Electrical Architecture
- Distributed control units for optimized performance
- CAN (Controller Area Network) for data communication
- LIN (Local Interconnect Network) for auxiliary systems
- Redundant systems for critical functions
Battery and Charging
This section focuses on the battery and charging systems of the Mercedes S-Class, including the main battery, auxiliary battery, and charging capabilities. It also covers maintenance and safety features related to the battery.
Battery and Charging
This section focuses on the battery and charging systems of the Mercedes S-Class, including the main battery, auxiliary battery, and charging capabilities. It also covers maintenance and safety features related to the battery.
Main Battery
- AGM (Absorbent Glass Mat) battery for durability
- Capacity of 92Ah for reliable power supply
- Battery monitoring system for health tracking
- Automatic start-stop function support
Charging System
- Integrated charging module with up to 3.6 kW output
- Support for external charging via Type 2 connector
- Regenerative braking system for energy recovery
- Pre-warming feature for cold weather conditions
Advanced Electrical Technologies
This section highlights the advanced electrical technologies integrated into the 2014-2020 Mercedes S-Class, including lighting, infotainment, and driver assistance systems. These technologies enhance the driving experience and provide additional safety and convenience.
Advanced Electrical Technologies
This section highlights the advanced electrical technologies integrated into the 2014-2020 Mercedes S-Class, including lighting, infotainment, and driver assistance systems. These technologies enhance the driving experience and provide additional safety and convenience.
Lighting Systems
- LED headlights with adaptive high beam assist
- Ambient lighting with customizable colors
- Dynamic light sequencing for turn signals
- Night View Assist PLUS with infrared technology
Infotainment System
- COMAND Online system with 12.3-inch display
- Touchpad controller for intuitive operation
- Voice control with natural language processing
- Wireless smartphone integration via Apple CarPlay and Android Auto
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Component Specifications
Overview
- Type
- 12V Electrical System
- Configuration
- Single Battery with Auxiliary Power Distribution
- Platform
- MRA Modular Rear Architecture
- Material
- High-Density Polymer Casing
- Location
- Engine Bay and Trunk
Dimensions
- Battery Length
- 12.2 inches / 310 mm
- Battery Width
- 6.9 inches / 175 mm
- Battery Height
- 7.5 inches / 190 mm
- Alternator Output
- 180A / 12V
- Wiring Harness Length
- 328 feet / 100 meters
- Fuse Box Dimensions
- 8.3 x 5.9 x 3.1 inches / 210 x 150 x 80 mm
- Ground Cable Diameter
- 0.5 inches / 12.7 mm
Materials
- Battery Casing
- Polypropylene
- Wiring Harness
- Copper with PVC Insulation
- Fuse Box
- Thermoplastic
- Alternator Housing
- Aluminum Alloy
- Connectors
- Nickel-Plated Brass
Features
- Lighting
-
- Adaptive LED Headlights
- Ambient Interior Lighting
- Automatic High Beam Assist
- Dynamic Turn Signals
- Power Distribution
-
- Smart Alternator Control
- Auxiliary Power Outlets
- Power Seat Controls
- Rear Seat Entertainment Power
- Charging
-
- Wireless Charging Pad
- USB-C Charging Ports
- Fast-Charging Capability
- Battery Maintenance Mode
- infotainment
-
- Burmester Surround Sound System
- 12.3-inch Touchscreen Display
- Voice Control Integration
- Bluetooth Connectivity
- Safety
-
- Pre-Safe Sound System
- Emergency Battery Disconnect
- Overload Protection
- Short-Circuit Detection
Safety Features
- Protection Systems
-
- Overvoltage Protection
- Undervoltage Protection
- Thermal Runaway Prevention
- Emergency Features
-
- Automatic Battery Disconnect in Crash
- Emergency Lighting Activation
- Backup Power Supply
Comfort Features
- Climate Control
-
- 4-Zone Automatic Climate Control
- Heated and Ventilated Seats
- Heated Steering Wheel
- Lighting
-
- 64-Color Ambient Lighting
- Reading Lights
- Footwell Lighting
- Seating
-
- Power-Adjustable Seats
- Memory Seat Settings
- Massage Functionality
- Entertainment
-
- Rear Seat Entertainment System
- HD Radio
- Apple CarPlay and Android Auto
Accessories
- Charging
-
- Wireless Charger
- USB-C Adapter Kit
- Portable Jump Starter
- Lighting
-
- LED Replacement Bulbs
- Interior Light Kit
- Ambient Lighting Upgrade
- Power
-
- Additional Power Outlet
- Inverter Kit
- Battery Charger
Maintenance
- Service interval
- Every 10,000 miles / 12 months
- Service Items
-
- Battery Terminal Cleaning
- Alternator Belt Inspection
- Fuse Box Check
- Wiring Harness Inspection
- Ground Connection Check
- Maintenance Notes
- Use only OEM-approved parts for replacements.
Warranty
- Battery Warranty
- Miles: 36,000Years: 3Coverage: Replacement and Labor
- Electrical System Warranty
- Miles: 50,000Years: 4Coverage: Parts and Diagnostics
- Alternator Warranty
- Miles: 50,000Years: 4Coverage: Replacement and Labor
- Accessory Warranty
- Miles: 36,000Years: 3Coverage: Parts Only
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Automated Assembly Line
- Precision Wiring Harness Fabrication
- Quality Control Testing
- Quality Control
- Testing: High-Voltage Stress Testinginspection: Visual and Functional ChecksCertification: ISO 9001 and ISO 14001
- Sustainability Practices
-
- Recycled Materials in Wiring
- Energy-Efficient Production
- Waste Reduction Programs
- Production Metrics
- Units Produced: Approximately 500,000 annuallyDefect Rate: Less than 0.1%Energy Usage: Reduced by 15% since 2014
Service Information for Electrical System Service
Maintenance and service requirements specific to the electrical system
- Battery Voltage Check
- Alternator Output Test
- Fuse Inspection
- Wiring Harness Visual Check
- Ground Connection Tightening
Ensure all connections are clean and secure.
- Battery Load Test
- Alternator Belt Tension Check
- Fuse Replacement if Needed
- Wiring Harness Detailed Inspection
- Charging System Diagnostics
Use diagnostic tools for accurate testing.
- Battery Replacement if Necessary
- Alternator Performance Check
- Complete Wiring Harness Check
- Ground System Overhaul
- System-Wide Electrical Diagnostics
Replace components showing signs of wear or failure.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is the electrical system of the 2014-2020 Mercedes S-Class compatible with aftermarket components?
Is the electrical system of the 2014-2020 Mercedes S-Class compatible with aftermarket components?
The electrical system of the 2014-2020 Mercedes S-Class is designed to work seamlessly with OEM components. While some aftermarket parts may be compatible, it is recommended to use genuine Mercedes-Benz parts to ensure optimal performance and avoid potential issues. Always verify compatibility with your specific model year and consult a certified technician for installation.
Q2 What are the maintenance requirements for the electrical system of the Mercedes S-Class?
What are the maintenance requirements for the electrical system of the Mercedes S-Class?
The electrical system of the 2014-2020 Mercedes S-Class requires regular inspections to ensure proper functionality. Key maintenance tasks include checking the battery health, inspecting wiring for wear or damage, and updating software systems. It is recommended to follow the service intervals outlined in the owner's manual and have any electrical issues addressed by a certified Mercedes-Benz technician.
Q3 How do I replace the battery in a 2014-2020 Mercedes S-Class?
How do I replace the battery in a 2014-2020 Mercedes S-Class?
To replace the battery in a 2014-2020 Mercedes S-Class, first, ensure the vehicle is turned off and the key is removed. Locate the battery in the trunk or under the rear seat, depending on the model. Disconnect the negative terminal first, followed by the positive terminal. Remove the old battery and install the new one, reconnecting the positive terminal first and then the negative. Reset the battery management system using a diagnostic tool if necessary.
Q4 What should I do if the electrical system in my Mercedes S-Class malfunctions?
What should I do if the electrical system in my Mercedes S-Class malfunctions?
If the electrical system in your 2014-2020 Mercedes S-Class malfunctions, start by checking the battery connections and fuses. Use the vehicle's onboard diagnostic system to identify any error codes. If the issue persists, consult the owner's manual for troubleshooting tips or contact a certified Mercedes-Benz technician for a comprehensive diagnostic and repair.
Q5 How can I optimize the performance of the electrical system in my Mercedes S-Class?
How can I optimize the performance of the electrical system in my Mercedes S-Class?
To optimize the performance of the electrical system in your 2014-2020 Mercedes S-Class, ensure the battery is in good condition and fully charged. Regularly update the vehicle's software to the latest version and avoid overloading the system with aftermarket accessories. Use high-quality components and adhere to the recommended maintenance schedule to keep the electrical system operating efficiently.
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 S-Class Electrical System Service Manual
Coming SoonThis manual provides detailed instructions for servicing and maintaining the electrical system of the 2014-2020 Mercedes S-Class.
Technical Service Bulletin: Electrical System Updates
Coming SoonThis bulletin outlines important updates and fixes for the electrical system of the 2014-2020 Mercedes S-Class.
Mercedes S-Class Parts and Accessories Guide
Coming SoonThis guide lists compatible parts and accessories for the electrical system of the 2014-2020 Mercedes S-Class.
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