Mercedes-Benz Mercedes G-Class 2018-present Electrical Specifications
Explore the comprehensive electrical specifications for the 2018-Present Mercedes G-Class, including battery capacity, alternator output, wiring diagrams, and fuse box details. Ideal for troubleshooting, maintenance, and upgrades.
Overview Specifications
This document provides a detailed breakdown of the electrical specifications for the 2018-Present Mercedes G-Class. It is designed to help users understand the vehicle's electrical systems, including power supply, lighting, infotainment, and advanced driver-assistance features. Use the search functionality to find specific terms or navigate through the sections for a comprehensive overview. This guide is ideal for technicians, enthusiasts, and potential buyers seeking in-depth technical information.
How to Use
To search for specific terms, use the search bar at the top of the document. Enter keywords related to the electrical feature or system you are interested in, such as 'battery' or 'lighting'. The search results will highlight relevant sections and subsections for quick access.
Navigate through the document by scrolling or clicking on the section titles in the table of contents. Each section is organized into subsections with detailed technical points. Use the quick reference table at the end for a summary of key specifications.
Key Specifications
Battery Capacity
80 Ah
Alternator Output
180 A
Headlight Type
Full LED
Display Size
12.3-inch
Ambient Lighting Colors
64
Available Specifications
Power Supply and Battery
This section covers the electrical power supply system of the Mercedes G-Class, including battery specifications, charging systems, and energy management. It provides insights into the vehicle's ability to support advanced electrical features and ensure reliable performance.
Power Supply and Battery
This section covers the electrical power supply system of the Mercedes G-Class, including battery specifications, charging systems, and energy management. It provides insights into the vehicle's ability to support advanced electrical features and ensure reliable performance.
Battery Specifications
- 12V lithium-ion battery
- Battery capacity: 80 Ah
- Maintenance-free design
- Integrated battery management system
- Cold-cranking amps: 800 A
- Optional auxiliary battery for off-road models
Charging System
- Standard alternator output: 180 A
- Smart alternator with energy recovery
- Support for fast charging
- Compatible with external charging stations
Lighting Systems
This section details the lighting systems of the Mercedes G-Class, including exterior and interior lighting. It highlights advanced technologies such as LED and adaptive lighting systems that enhance visibility and safety.
Lighting Systems
This section details the lighting systems of the Mercedes G-Class, including exterior and interior lighting. It highlights advanced technologies such as LED and adaptive lighting systems that enhance visibility and safety.
Exterior Lighting
- Full LED headlights with adaptive high beam
- Dynamic LED taillights
- LED fog lights
- Automatic headlight leveling
- Optional Multibeam LED system
Interior Lighting
- Ambient lighting with 64 color options
- LED reading lights
- Illuminated door sills
- Footwell lighting
Infotainment and Connectivity
This section explores the infotainment and connectivity features of the Mercedes G-Class, focusing on the MBUX (Mercedes-Benz User Experience) system, audio systems, and wireless connectivity options.
Infotainment and Connectivity
This section explores the infotainment and connectivity features of the Mercedes G-Class, focusing on the MBUX (Mercedes-Benz User Experience) system, audio systems, and wireless connectivity options.
MBUX System
- Dual 12.3-inch displays
- Touchscreen and touchpad controls
- Voice command functionality
- Augmented reality navigation
- Over-the-air updates
Audio and Connectivity
- Burmester surround sound system
- Bluetooth and USB-C connectivity
- Wireless Apple CarPlay and Android Auto
- Integrated LTE modem
- Wi-Fi hotspot capability
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Component Specifications
Overview
- Type
- 12V Electrical System
- Configuration
- Dual Battery Setup
- Platform
- MHA (Modular High Architecture)
- Material
- High-Strength Copper Wiring
- Location
- Engine Compartment and Rear Compartment
Dimensions
- Battery Length
- 10.2 inches (259 mm)
- Battery Width
- 6.9 inches (175 mm)
- Battery Height
- 7.5 inches (190 mm)
- Alternator Output
- 220A
- Wiring 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 Length
- 3.3 feet (1 meter)
Materials
- Wiring
- Oxygen-Free Copper
- Battery Casing
- Polypropylene
- Connectors
- Gold-Plated Brass
- Fuse Box
- Thermoplastic
- Alternator Casing
- Aluminum Alloy
Features
- Lighting
-
- LED Headlights
- Adaptive Highbeam Assist
- Ambient Lighting
- LED Taillights
- Power Management
-
- Energy Recovery System
- Intelligent Alternator Control
- Battery Monitoring System
- ECO Start/Stop Function
- infotainment
-
- MBUX Multimedia System
- Wireless Charging
- Burmester Surround Sound System
- Touchscreen Controls
- Safety
-
- Pre-Safe System
- Blind Spot Assist
- Lane Keeping Assist
- Traffic Sign Recognition
- Climate Control
-
- Thermotronic Automatic Climate Control
- Heated Seats
- Ventilated Seats
- Air Balance System
Safety Features
- Circuit Protection
-
- Smart Fuse Technology
- Overload Protection
- Short Circuit Detection
- Battery Safety
-
- Battery Isolation Switch
- Thermal Runaway Protection
- Deep Discharge Prevention
- Wiring Safety
-
- Flame-Retardant Insulation
- Corrosion-Resistant Coating
- EMI Shielding
Comfort Features
- Lighting
-
- Adjustable Interior Lighting
- Reading Lights
- Welcome Light Function
- Connectivity
-
- Apple CarPlay
- Android Auto
- Bluetooth Connectivity
- Power Outlets
-
- 12V Socket
- USB-C Ports
- 220V Inverter
Accessories
- Charging
-
- Wireless Charging Pad
- Portable Battery Charger
- Solar Charger Kit
- Lighting
-
- LED Light Bar
- Interior LED Upgrade Kit
- Off-Road Spotlights
- Audio
-
- Headrest Monitors
- Subwoofer Upgrade
- Rear Seat Entertainment System
Maintenance
- Service interval
- 10,000 miles or 12 months
- Service Items
-
- Battery Health Check
- Alternator Output Test
- Wiring Inspection
- Fuse Replacement
- Ground Connection Cleaning
- Maintenance Notes
- Use only manufacturer-approved parts and fluids.
Warranty
- Battery Warranty
- Years: 4Miles: 50000Coverage: Replacement for defects
- Alternator Warranty
- Years: 3Miles: 36000Coverage: Repair or replacement
- Electrical System Warranty
- Years: 5Miles: 60000Coverage: Diagnosis and repair
- Accessory Warranty
- Years: 1Miles: 12000Coverage: Replacement for defects
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Automated Wiring Harness Assembly
- Precision Battery Testing
- Robotic Soldering
- Quality Control
- Testing: High-Voltage Stress Testinginspection: 100% Component InspectionCertification: ISO 9001
- Sustainability Practices
-
- Recycled Materials in Wiring
- Energy-Efficient Manufacturing
- Zero-Waste Production
- Production Metrics
- Units Per Day: 500Defect Rate: 0.01%Energy Usage: 15 kWh per unit
Service Information for electrical Service
Maintenance and service requirements specific to the electrical system
- Inspect battery terminals and connections
- Check alternator output voltage
- Test all fuses and relays
- Inspect wiring harness for damage
- Clean ground connections
Ensure all electrical components are functioning properly.
- Perform battery load test
- Inspect and clean alternator
- Check all electrical connectors
- Test lighting system functionality
- Inspect charging system
Replace any corroded or damaged components.
- Replace battery if necessary
- Inspect and replace alternator if needed
- Check and replace wiring harness if damaged
- Test all electrical systems
- Perform comprehensive diagnostic scan
Use only OEM parts for replacements.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the electrical system specifications for the 2018-Present Mercedes G-Class?
What are the electrical system specifications for the 2018-Present Mercedes G-Class?
The 2018-Present Mercedes G-Class features a 48V electrical system for enhanced efficiency and performance. It includes advanced components such as the EQ Boost starter-alternator, which provides additional torque and energy recuperation. The system supports up to 3.6 kW of electrical power, ensuring compatibility with modern accessories and features. The G-Class also includes a 12V auxiliary battery for low-power systems and a robust electrical architecture designed to handle high loads.
Q2 What maintenance is required for the electrical system of the Mercedes G-Class?
What maintenance is required for the electrical system of the Mercedes G-Class?
Regular maintenance for the Mercedes G-Class electrical system includes checking the 48V and 12V batteries for proper charge and health, inspecting wiring and connectors for wear or corrosion, and ensuring software updates are applied. The EQ Boost system should be monitored for optimal performance. Scheduled maintenance every 10,000 miles or annually is recommended, with a professional diagnostic scan to identify any potential issues early.
Q3 How do I replace the 48V battery in the Mercedes G-Class?
How do I replace the 48V battery in the Mercedes G-Class?
Replacing the 48V battery in the Mercedes G-Class requires specialized tools and expertise. First, disconnect the 12V battery to avoid electrical hazards. Locate the 48V battery, usually in the engine compartment or under the vehicle. Disconnect the wiring harness and mounting bolts, then carefully remove the old battery. Install the new battery, ensuring all connections are secure. Reconnect the 12V battery and perform a system reset using a Mercedes-Benz diagnostic tool.
Q4 What should I do if the EQ Boost system malfunctions in my G-Class?
What should I do if the EQ Boost system malfunctions in my G-Class?
If the EQ Boost system malfunctions, first check for any dashboard warning lights. Use a diagnostic tool to read error codes. Common issues include loose connections, sensor failures, or software glitches. Reset the system by disconnecting the 12V battery for 10 minutes. If the problem persists, inspect the 48V battery and wiring for damage. For persistent issues, consult a Mercedes-Benz authorized service center for professional diagnosis and repair.
Q5 How can I optimize the performance of the electrical system in my G-Class?
How can I optimize the performance of the electrical system in my G-Class?
To optimize the electrical system, ensure all software updates are installed to improve efficiency and functionality. Regularly check the 48V and 12V batteries for optimal charge levels. Minimize parasitic loads by turning off unnecessary accessories when not in use. Use Mercedes-Benz-approved components for any replacements or upgrades. Additionally, schedule routine maintenance to keep the system in peak condition and address any minor issues before they escalate.
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 G-Class Electrical System Service Manual
Coming SoonComprehensive guide covering the electrical system, including wiring diagrams, component locations, and troubleshooting procedures.
Technical Service Bulletin: EQ Boost System Update
Coming SoonLatest updates and fixes for the EQ Boost system, including software patches and performance enhancements.
Mercedes G-Class Electrical Parts Catalog
Coming SoonDetailed catalog of electrical components, including part numbers, specifications, and compatibility information.
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Technical Information
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