Mercedes-Benz Mercedes CLA 2019-present Electrical Specifications
Explore the comprehensive electrical specifications of the 2019-Present Mercedes-Benz CLA, including battery details, alternator output, fuse box layout, and wiring diagrams. Perfect for maintenance, troubleshooting, and upgrades.
Overview Specifications
This document provides detailed electrical specifications for the 2019-Present Mercedes-Benz CLA. It covers key aspects such as battery systems, charging capabilities, electrical components, and advanced driver-assistance systems (ADAS). Use this guide to understand the technical details of the vehicle's electrical architecture and features. The document is organized into sections for easy navigation and includes a quick reference table for key specifications.
How to Use
Use the search function to find specific terms or components within the document. Enter keywords related to the electrical system, such as 'battery,' 'charging,' or 'ADAS,' to quickly locate relevant information.
Navigate through the document using the section titles and subsections. Each section is organized by major electrical topics, with detailed points listed under each subsection. Use the table of contents or scroll to find the desired section.
Key Specifications
Battery Capacity
13.5 kWh
Charging Time (0-80%)
25 minutes
Infotainment Display
10.25 inches
LED Headlights
Adaptive High Beam Assist
ADAS Features
DISTRONIC, Brake Assist
Available Specifications
Battery and Charging System
This section covers the battery specifications and charging capabilities of the Mercedes-Benz CLA. It includes details on battery capacity, charging times, and compatibility with different charging standards.
Battery and Charging System
This section covers the battery specifications and charging capabilities of the Mercedes-Benz CLA. It includes details on battery capacity, charging times, and compatibility with different charging standards.
Battery Specifications
- Lithium-ion battery with a capacity of 13.5 kWh
- Voltage rating of 400V
- Energy density of 150 Wh/kg
- Integrated thermal management system
- Optional extended-range battery upgrade
Charging Capabilities
- Supports AC charging up to 7.4 kW
- DC fast charging up to 50 kW
- Charging time: 0-80% in 25 minutes (DC fast charging)
- Compatible with CCS (Combined Charging System)
- Optional wireless charging pad for smartphones
Electrical Components
This section details the electrical components and systems in the Mercedes-Benz CLA, including lighting, infotainment, and power distribution.
Electrical Components
This section details the electrical components and systems in the Mercedes-Benz CLA, including lighting, infotainment, and power distribution.
Lighting System
- Full LED headlights with adaptive high beam assist
- LED daytime running lights
- Ambient lighting with 64 color options
- Automatic headlight leveling
- Optional Multibeam LED headlights
Infotainment System
- 10.25-inch touchscreen display
- MBUX (Mercedes-Benz User Experience) interface
- Voice control with natural language processing
- Wireless Apple CarPlay and Android Auto
- Burmester surround sound system (optional)
Advanced Driver-Assistance Systems (ADAS)
This section outlines the advanced driver-assistance systems in the Mercedes-Benz CLA, focusing on electrical and sensor-based technologies.
Advanced Driver-Assistance Systems (ADAS)
This section outlines the advanced driver-assistance systems in the Mercedes-Benz CLA, focusing on electrical and sensor-based technologies.
Safety and Assistance Features
- Active Distance Assist DISTRONIC
- Active Steering Assist
- Active Brake Assist with cross-traffic function
- Blind Spot Assist with exit warning
- 360-degree camera system (optional)
Sensor and Camera Systems
- Front and rear radar sensors
- Stereo multi-purpose camera
- Ultrasonic sensors for parking assistance
- Night View Assist Plus (optional)
- Traffic Sign Assist
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Component Specifications
Overview
- Type
- 12V Electrical System
- Configuration
- Lithium-Ion Battery
- Platform
- MFA2
- Material
- Aluminum Housing
- Location
- Engine Compartment
Dimensions
- Battery Length
- 10.5 in (26.67 cm)
- Battery Width
- 6.9 in (17.53 cm)
- Battery Height
- 7.4 in (18.8 cm)
- Cable Length
- 59 in (150 cm)
- Alternator Output
- 150A
- Voltage
- 12V
- Current Capacity
- 70Ah
Materials
- Battery Casing
- Polypropylene
- Cable insulation
- PVC
- Terminal Connectors
- Copper Alloy
- Alternator Housing
- Aluminum
Features
- Lighting
-
- LED Headlights
- Adaptive Highbeam Assist
- Ambient Lighting
- Dynamic Turn Signals
- infotainment
-
- MBUX Multimedia System
- Touchscreen Display
- Voice Control
- Smartphone Integration
- Safety
-
- Active Brake Assist
- Blind Spot Monitoring
- Lane Keeping Assist
- Traffic Sign Recognition
- Comfort
-
- Dual-Zone Climate Control
- Heated Seats
- Keyless Go
- Electric Parking Brake
- Connectivity
-
- Bluetooth
- Wi-Fi Hotspot
- Navigation System
- Remote Start
Safety Features
- Protection
-
- Short Circuit Protection
- Overload Protection
- Reverse Polarity Protection
- Monitoring
-
- Battery Monitoring System
- Voltage Regulation
- Current Monitoring
Comfort Features
- Controls
-
- Steering Wheel Controls
- Touchpad Controller
- Voice Commands
- Climate
-
- Air Conditioning
- Heated Windshield
- Rear Defogger
- Lighting
-
- Reading Lights
- Footwell Lighting
- Welcome Lighting
Accessories
- Charging
-
- USB Ports
- Wireless Charging Pad
- 12V Power Outlet
- Audio
-
- Premium Sound System
- Headphone Jack
- Bluetooth Audio
- Navigation
-
- GPS Antenna
- Maps SD Card
- Compass
Maintenance
- Service interval
- 10,000 miles or 12 months
- Service Items
-
- Battery Inspection
- Alternator Check
- Cable Inspection
- Fuse Replacement
- Software Update
- Maintenance Notes
- Ensure battery terminals are clean and secure. Use only manufacturer-recommended replacement parts.
Warranty
- Battery Warranty
- Miles: 100,000Years: 4Coverage: Defects and Capacity Loss
- Electrical Warranty
- Miles: 50,000Years: 2Coverage: Component Failure
- Alternator Warranty
- Miles: 60,000Years: 3Coverage: Manufacturing Defects
- Warranty Terms
- Warranty void if unauthorized repairs are performed.
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Automated Assembly
- Quality Testing
- Final Inspection
- Quality Control
- Testing: High Voltage Testinginspection: Visual and Functional ChecksCertification: ISO 9001
- Sustainability Practices
-
- Recyclable Materials
- Energy-Efficient Production
- Waste Reduction
- Production Metrics
- Units Per Year: 250,000Defect Rate: 0.5%Production Time: 8 hours per unit
Service Information for electrical Service
Maintenance and service requirements specific to this component
- Inspect battery terminals
- Check alternator output
- Test electrical connections
- Update system software
Ensure all connections are secure and free of corrosion.
- Perform battery load test
- Inspect wiring harness
- Check fuse box
- Test charging system
Use diagnostic tools to verify system performance.
- Replace battery if necessary
- Inspect alternator belt
- Clean electrical contacts
- Perform full system diagnostic
Replace worn components to prevent system failure.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the electrical system specifications for the 2019-Present Mercedes CLA?
What are the electrical system specifications for the 2019-Present Mercedes CLA?
The 2019-Present Mercedes CLA features a 12-volt electrical system with a lithium-ion starter battery. It supports advanced features like MBUX infotainment, LED lighting, and optional 48-volt mild hybrid technology. The system is compatible with Mercedes-Benz-approved accessories and software updates. Always refer to the owner's manual for specific compatibility details and ensure any aftermarket components meet OEM standards.
Q2 What are the maintenance requirements for the electrical system in the Mercedes CLA?
What are the maintenance requirements for the electrical system in the Mercedes CLA?
The electrical system requires regular inspections, including battery health checks every 12 months or 10,000 miles. Ensure software updates are installed via Mercedes Me Connect or at a dealership. Inspect wiring and connectors for wear or corrosion. Replace the battery every 4-5 years or as needed. Follow the maintenance schedule in the owner's manual for optimal performance and longevity.
Q3 How do I replace the battery in the 2019-Present Mercedes CLA?
How do I replace the battery in the 2019-Present Mercedes CLA?
To replace the battery, first, disconnect the negative terminal, then 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 management system using a diagnostic tool or at a dealership. Always use a Mercedes-Benz-approved battery.
Q4 What should I do if the electrical system in my Mercedes CLA malfunctions?
What should I do if the electrical system in my Mercedes CLA malfunctions?
If the electrical system malfunctions, check for blown fuses, loose connections, or a drained battery. Use the onboard diagnostics via the MBUX system to identify error codes. For persistent issues, consult the owner's manual or visit a certified Mercedes-Benz service center. Avoid DIY repairs on complex systems like the infotainment or hybrid components to prevent further damage.
Q5 How can I optimize the performance of the electrical system in my Mercedes CLA?
How can I optimize the performance of the electrical system in my Mercedes CLA?
To optimize performance, keep the battery charged and avoid deep discharges. Regularly update the vehicle's software via Mercedes Me Connect. Use energy-saving modes when possible and minimize the use of high-power accessories when the engine is off. Ensure all electrical components are functioning correctly and address any issues promptly to maintain system efficiency.
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 CLA 2019-Present Service Manual
Coming SoonComprehensive guide covering electrical system maintenance, troubleshooting, and repair procedures for the 2019-Present Mercedes CLA.
Technical Service Bulletin: Electrical System Updates
Coming SoonLatest updates and fixes for the electrical system, including software patches and component recalls.
Mercedes CLA Parts and Accessories Catalog
Coming SoonOfficial catalog of electrical components, batteries, and accessories compatible with the 2019-Present Mercedes CLA.
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Technical Information
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