Mercedes-Benz Mercedes S-Class 2021-present Electrical Specifications
Discover the detailed electrical system specifications for the 2021-Present Mercedes-Benz S-Class. This guide covers battery capacity, alternator output, wiring harness design, fuse box locations, lighting systems, and advanced electronics like the MBUX infotainment system and driver-assistance features. Essential for technicians, enthusiasts, and owners.
Overview Specifications
This document provides a comprehensive guide to the electrical specifications of the 2021-Present Mercedes S-Class. It covers key aspects such as battery systems, charging capabilities, electrical architecture, and advanced driver-assistance systems. Use this guide to understand the technical details and functionalities of the vehicle's electrical components. The document is organized into sections for easy navigation and includes a quick reference for key specifications.
How to Use
Use the search functionality to quickly find specific terms or components. Enter keywords related to the electrical system, such as 'battery' or 'charging,' to locate relevant information.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is clearly labeled and includes detailed subsections for easy access to specific information.
Key Specifications
Battery Capacity
28 kWh
Charging Power
200 kW DC
Voltage Range
350V - 400V
Charging Time
30 mins (80%)
ADAS Features
10+ systems
Available Specifications
Battery System
This section covers the battery specifications and performance of the Mercedes S-Class. It includes details on battery capacity, type, and management systems.
Battery System
This section covers the battery specifications and performance of the Mercedes S-Class. It includes details on battery capacity, type, and management systems.
Battery Specifications
- Lithium-ion battery type
- Battery capacity of 28 kWh
- Voltage range of 350V to 400V
- Integrated battery management system
- Thermal management for optimal performance
- Regenerative braking system
Charging Capabilities
- DC fast charging up to 200 kW
- AC charging up to 11 kW
- Charging time of 30 minutes for 80% charge
- Compatible with CCS and Type 2 connectors
- Smart charging scheduling
- Mobile app for charging control
Electrical Architecture
This section details the electrical architecture of the Mercedes S-Class, including the wiring, control units, and integration with other systems.
Electrical Architecture
This section details the electrical architecture of the Mercedes S-Class, including the wiring, control units, and integration with other systems.
Wiring and Control Units
- CAN bus system for communication
- Multiple control units for different systems
- High-speed data transmission
- Redundant wiring for safety
- Integration with infotainment system
- Modular design for easy upgrades
Power Distribution
- Central power distribution unit
- Fused circuits for protection
- Efficient power management
- Backup power supply for critical systems
- Smart power allocation
- Low power consumption in standby mode
Advanced Driver-Assistance Systems
This section explores the advanced driver-assistance systems (ADAS) in the Mercedes S-Class, focusing on their electrical components and functionalities.
Advanced Driver-Assistance Systems
This section explores the advanced driver-assistance systems (ADAS) in the Mercedes S-Class, focusing on their electrical components and functionalities.
ADAS Components
- Radar and camera systems
- Ultrasonic sensors for parking assistance
- LIDAR for 3D mapping
- Advanced ECU for data processing
- Integration with navigation system
- Real-time traffic data processing
Functionalities
- Adaptive cruise control
- Lane-keeping assist
- Automatic emergency braking
- Traffic sign recognition
- Blind-spot monitoring
- Night vision assistance
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Component Specifications
Overview
- Type
- 48V Mild Hybrid System
- Configuration
- Lithium-ion Battery
- Platform
- MRA2 Modular Rear Architecture
- Material
- High-strength Steel Housing
- Location
- Under Rear Seat
Dimensions
- Battery Length
- 14.2 in (36 cm)
- Battery Width
- 11.8 in (30 cm)
- Battery Height
- 6.3 in (16 cm)
- Battery Weight
- 35.3 lbs (16 kg)
- Wiring Length
- 328 ft (100 m)
- Alternator Output
- 150A
- Voltage
- 12V/48V
Materials
- Battery Casing
- Reinforced Polypropylene
- Wiring Harness
- Copper with PVC Insulation
- Connectors
- Nickel-plated Brass
- Control Unit
- Aluminum Alloy
Features
- Charging
-
- Regenerative Braking
- Integrated Starter Generator
- Fast Charging Capability
- Power Management
-
- Intelligent Energy Distribution
- Eco Mode Optimization
- Dynamic Load Balancing
- Lighting
-
- Multibeam LED Headlights
- Ambient Lighting with 64 Colors
- Adaptive Highbeam Assist
- infotainment
-
- MBUX Hyperscreen
- Burmester 3D Sound System
- Wireless Charging Pad
- Safety
-
- Pre-Safe Sound
- Attention Assist
- Emergency Stop Assist
Safety Features
- Battery
-
- Thermal Management System
- Short Circuit Protection
- Overcharge Prevention
- Wiring
-
- Flame Retardant Insulation
- Corrosion-resistant Connectors
- Emergency
-
- Automatic Power Cutoff
- Emergency Call System
Comfort Features
- Climate Control
-
- 4-Zone Automatic Climate Control
- Energizing Air Control
- Heated and Ventilated Seats
- Seating
-
- Massage Function
- Power Adjustable Seats
- Memory Settings
- Noise
-
- Active Noise Cancellation
- Acoustic Glass
- Sound Insulation
Accessories
- Charging
-
- Portable Charger
- Wallbox Charger
- Charging Cable Bag
- Lighting
-
- LED Upgrade Kit
- Ambient Light Strips
- Rear Reading Lights
- infotainment
-
- SD Card Navigation
- Head-up Display
- Rear Seat Entertainment
Maintenance
- Service interval
- 10,000 miles or 12 months
- Service Items
-
- Battery Health Check
- Wiring Harness Inspection
- Alternator Belt Tension
- Fuse Box Inspection
- Software Updates
- Maintenance Notes
- Use only Mercedes-approved components for replacements
Warranty
- Battery Warranty
- Years: 8Miles: 100000Coverage: Capacity Retention Above 70%
- Electrical Warranty
- Years: 4Miles: 50000Coverage: Repairs and Replacements
- Hybrid Warranty
- Years: 6Miles: 75000Coverage: Hybrid Components
- Warranty Terms
- Transferable to subsequent owners
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Automated Assembly
- Laser Welding
- Quality Testing
- Quality Control
- Testing: Vibration Testing, Temperature Cycling, Leak TestingStandards: ISO 9001, ISO 14001
- Sustainability
-
- Recyclable Materials
- Energy-efficient Production
- Zero Waste Initiative
- Production Metrics
- Units Per Year: 50000Defect Rate: 0.1%Energy Consumption: 15 kWh per unit
Service Information for electrical Service
Maintenance and service requirements specific to the electrical system
- Battery Health Diagnostics
- Wiring Harness Inspection
- Alternator Performance Check
- Fuse Integrity Test
- Software Update Verification
Ensure all connections are secure and corrosion-free
- Battery Load Testing
- Alternator Belt Replacement
- Ground Connection Check
- Charging System Calibration
- Control Unit Diagnostics
Use specialized diagnostic tools for accurate readings
- Battery Replacement if Necessary
- Wiring Harness Replacement
- Alternator Overhaul
- System Performance Optimization
- Comprehensive Electrical Testing
Follow manufacturer guidelines for battery replacement
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What electrical components are compatible with the 2021-Present Mercedes S-Class?
What electrical components are compatible with the 2021-Present Mercedes S-Class?
The 2021-Present Mercedes S-Class is compatible with a range of advanced electrical components, including the MBUX (Mercedes-Benz User Experience) infotainment system, adaptive LED headlights, and the Energizing Comfort Control system. It supports 48V mild-hybrid technology and integrates seamlessly with Mercedes Me Connect for remote access and diagnostics. Ensure compatibility by verifying part numbers with authorized dealers or the official Mercedes-Benz parts catalog.
Q2 What are the maintenance requirements for the electrical systems in the Mercedes S-Class?
What are the maintenance requirements for the electrical systems in the Mercedes S-Class?
The electrical systems in the Mercedes S-Class require regular maintenance to ensure optimal performance. This includes checking the battery health, updating the MBUX software, and inspecting wiring and connectors for wear. Scheduled maintenance should be performed every 10,000 miles or annually, as outlined in the owner’s manual. Always use genuine Mercedes-Benz parts and consult an authorized service center for complex issues.
Q3 How do I replace the battery in a 2021-Present Mercedes S-Class?
How do I replace the battery in a 2021-Present Mercedes S-Class?
To replace the battery in a 2021-Present Mercedes S-Class, first, ensure the vehicle is off and the key is removed. Locate the battery compartment, typically in the trunk. 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. Secure the battery and reset the vehicle’s electrical system using the MBUX interface or consult a technician for assistance.
Q4 What should I do if the MBUX system in my Mercedes S-Class malfunctions?
What should I do if the MBUX system in my Mercedes S-Class malfunctions?
If the MBUX system malfunctions, start by restarting the vehicle to reset the system. Check for software updates via the Mercedes Me app or the vehicle’s settings menu. If the issue persists, inspect the fuse box for any blown fuses related to the infotainment system. For persistent problems, consult an authorized Mercedes-Benz service center for diagnostics and repair.
Q5 How can I optimize the performance of the electrical systems in my Mercedes S-Class?
How can I optimize the performance of the electrical systems in my Mercedes S-Class?
To optimize the performance of the electrical systems, regularly update the MBUX software to the latest version. Use the Energizing Comfort Control system to enhance driving comfort and efficiency. Ensure the 48V mild-hybrid system is functioning correctly by monitoring battery health and charging levels. Avoid overloading the electrical system with aftermarket accessories and schedule routine inspections with a certified technician.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2021-Present Mercedes S-Class Service Manual
Coming SoonComprehensive guide covering maintenance, diagnostics, and repair procedures for the electrical systems of the Mercedes S-Class.
Technical Service Bulletin for MBUX Updates
Coming SoonLatest updates and fixes for the MBUX infotainment system, including installation instructions and compatibility details.
Mercedes-Benz Electrical Parts Catalog
Coming SoonDetailed catalog of genuine electrical components and accessories for the 2021-Present Mercedes S-Class.
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