Mercedes-Benz Mercedes GLK 2008-2015 Electrical Specifications
Explore the detailed electrical specifications for the 2008-2015 Mercedes-Benz GLK-Class, including wiring diagrams, battery specs, alternator output, and fuse box layouts. Ideal for technicians and DIY enthusiasts.
Overview Specifications
This document provides detailed electrical specifications for the 2008-2015 Mercedes GLK. It is designed to assist technicians, engineers, and enthusiasts in understanding the vehicle's electrical systems, components, and performance metrics. The content is organized into sections for easy navigation, with subsections breaking down specific electrical features and technical details. Use the search and navigation instructions to quickly locate the information you need.
How to Use
Use the search functionality by entering keywords related to the electrical system or component you are looking for. The search will highlight relevant sections and subsections for quick access.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is labeled with a title and description to help you find the information you need efficiently.
Key Specifications
Battery Capacity
80 Ah
Alternator Output
150A
Headlight Wattage
35W (xenon)
Starter Motor Power
1.4 kW
Fuse Rating
5A to 40A
Available Specifications
Battery and Charging System
This section covers the battery specifications, charging system components, and performance metrics for the 2008-2015 Mercedes GLK. It includes details on battery capacity, alternator output, and maintenance tips.
Battery and Charging System
This section covers the battery specifications, charging system components, and performance metrics for the 2008-2015 Mercedes GLK. It includes details on battery capacity, alternator output, and maintenance tips.
Battery Specifications
- Battery type: AGM (Absorbent Glass Mat)
- Battery capacity: 80 Ah
- Voltage: 12V
- Cold cranking amps (CCA): 800A
- Maintenance-free design
- Replacement interval: Approximately 5-7 years
Charging System
- Alternator output: 150A
- Voltage regulator: Integrated
- Charging voltage: 13.5-14.5V
- Battery monitoring system: Standard
- Alternator replacement interval: 100,000-150,000 miles
Lighting System
This section provides details on the lighting system, including headlights, taillights, and interior lighting. It covers bulb types, wattage, and replacement procedures.
Lighting System
This section provides details on the lighting system, including headlights, taillights, and interior lighting. It covers bulb types, wattage, and replacement procedures.
Exterior Lighting
- Headlight type: Bi-xenon (optional)
- Headlight wattage: 35W (xenon), 55W (halogen)
- Taillight type: LED
- Fog light wattage: 55W
- Automatic headlight control: Standard
- Adaptive headlights: Optional
Interior Lighting
- Dome light type: LED
- Map light wattage: 5W
- Ambient lighting: Optional
- Footwell lighting: Standard
- Glove box lighting: Standard
Electrical Components
This section focuses on key electrical components such as the starter motor, fuses, relays, and wiring harnesses. It includes specifications and maintenance guidelines.
Electrical Components
This section focuses on key electrical components such as the starter motor, fuses, relays, and wiring harnesses. It includes specifications and maintenance guidelines.
Starter Motor
- Starter motor type: Permanent magnet
- Power output: 1.4 kW
- Voltage: 12V
- Replacement interval: 100,000-150,000 miles
- Starter solenoid: Integrated
Fuses and Relays
- Fuse box location: Under hood and dashboard
- Fuse types: Mini, micro, and blade
- Relay types: Standard and solid-state
- Fuse rating: 5A to 40A
- Relay replacement interval: As needed
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Component Specifications
Overview
- Type
- 12V DC system
- Configuration
- Negative ground
- Platform
- CAN bus architecture
- Material
- Copper wiring with PVC insulation
- Location
- Distributed throughout vehicle
Dimensions
- Battery Length
- 10.2 in (259 mm)
- Battery Width
- 6.9 in (175 mm)
- Battery Height
- 7.5 in (190 mm)
- Alternator Diameter
- 5.9 in (150 mm)
- Alternator Length
- 7.1 in (180 mm)
- Wire Gauge Range
- 8 AWG to 22 AWG
- Fuse Box Dimensions
- 8.3 x 5.9 x 2.4 in (210 x 150 x 60 mm)
Materials
- Battery Case
- Polypropylene
- Alternator Housing
- Aluminum alloy
- Wiring Harness
- Copper with PVC insulation
- Fuse Box
- Thermoplastic
- Connectors
- Nylon with gold-plated contacts
Features
- Lighting System
-
- Bi-xenon headlights
- LED daytime running lights
- Adaptive brake lights
- Automatic headlight leveling
- Power Distribution
-
- Central fuse box
- Intelligent alternator control
- Power management system
- Load shedding capability
- Sensors
-
- Rain/light sensor
- Battery monitoring sensor
- Alternator voltage sensor
- Current sensors
- Charging System
-
- 120A alternator
- AGM battery
- Battery monitoring system
- Regenerative charging
- Control Systems
-
- CAN bus network
- LIN bus for subsystems
- Electronic stability program
- Adaptive brake system
Safety Features
- Circuit Protection
-
- Smart fuses
- Circuit breakers
- Overload protection
- Emergency Systems
-
- Automatic hazard lights
- Emergency call system
- Battery backup for critical systems
- Crash Safety
-
- Pyrotechnic battery disconnect
- Crash sensors
- Emergency power supply
Comfort Features
- Climate Control
-
- Automatic dual-zone climate control
- Rear seat ventilation
- Heated seats
- infotainment
-
- COMAND system
- Bluetooth connectivity
- Navigation system
- Convenience
-
- Keyless Go
- Power liftgate
- Ambient lighting
Accessories
- Charging
-
- 12V power outlets
- USB charging ports
- Wireless charging pad
- Lighting
-
- Puddle lights
- Interior ambient lighting
- LED license plate lights
- Entertainment
-
- Harman Kardon sound system
- Rear seat entertainment
- SD card reader
Maintenance
- Service interval
- Every 10,000 miles or 12 months
- Service Items
-
- Battery health check
- Alternator output test
- Ground connection inspection
- Fuse integrity check
- Wiring harness inspection
- Maintenance Notes
- Use only AGM-compatible chargers for battery maintenance
Warranty
- Battery Warranty
- Miles: 36,000Years: 3Coverage: Replacement for manufacturing defects
- Alternator Warranty
- Miles: 50,000Years: 4Coverage: Parts and labor
- Wiring Warranty
- Miles: UnlimitedYears: 4Coverage: Corrosion protection
- Electronics Warranty
- Miles: 50,000Years: 4Coverage: Control units and sensors
Production Details
- Manufacturer
- Mercedes-Benz
- Manufacturing Process
-
- Automated wiring harness assembly
- Robotic component installation
- Laser welding for connections
- Quality Control
- Testing: High-voltage testing, Continuity checks, Vibration testingCertifications: ISO 9001, ISO 14001, ISO 26262
- Sustainability Practices
-
- Lead-free soldering
- Recyclable materials
- Energy-efficient production
- Production Metrics
- Daily Output: 1200 unitsDefect Rate: 0.02%Energy Consumption: 15 kWh per unit
Service Information for electrical Service
Maintenance and service requirements specific to the electrical system
- Battery voltage check
- Alternator output test
- Ground connection inspection
- Fuse integrity check
- Wiring harness visual inspection
Use only Mercedes-approved diagnostic equipment
- Battery load test
- Alternator belt tension check
- Electrical system scan for fault codes
- Lighting system alignment check
- Charging system performance test
Requires STAR diagnostic system
- Complete wiring harness inspection
- Battery replacement if necessary
- Alternator performance test under load
- Ground strap replacement
- Fuse box cleaning and inspection
May require specialized tools for harness inspection
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the electrical specifications for the 2008-2015 Mercedes GLK?
What are the electrical specifications for the 2008-2015 Mercedes GLK?
The 2008-2015 Mercedes GLK features a 12-volt electrical system with a 70-90 Ah battery, depending on the model. It supports CAN bus communication for efficient data transfer between modules. The alternator output ranges from 150-180 A, ensuring reliable power supply. Compatibility with aftermarket accessories depends on voltage requirements and CAN bus integration. Always verify specifications with the vehicle's technical manual to avoid compatibility issues.
Q2 What are the maintenance requirements for the GLK's electrical system?
What are the maintenance requirements for the GLK's electrical system?
Regular maintenance of the GLK's electrical system includes inspecting the battery terminals for corrosion, checking the alternator output, and ensuring all fuses and relays are functional. The battery should be tested annually, and replacements should match the original specifications. Wiring harnesses should be inspected for wear or damage. Follow the manufacturer's recommended maintenance schedule in the owner's manual for optimal performance.
Q3 How do I replace the battery in a 2008-2015 Mercedes GLK?
How do I replace the battery in a 2008-2015 Mercedes GLK?
To replace the battery, first, turn off the engine and 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 matches the original specifications. Reconnect the positive terminal first, then the negative terminal. Secure the battery with the hold-down clamp. Reset the battery management system using a diagnostic tool if necessary.
Q4 What should I do if my GLK's electrical system malfunctions?
What should I do if my GLK's electrical system malfunctions?
If the GLK's electrical system malfunctions, start by checking the battery voltage and connections. Inspect fuses and relays for faults. Use a diagnostic tool to scan for error codes in the CAN bus system. Common issues include a failing alternator, dead battery, or faulty wiring. If the problem persists, consult a certified technician for further diagnosis and repair.
Q5 How can I optimize the electrical performance of my GLK?
How can I optimize the electrical performance of my GLK?
To optimize electrical performance, ensure the battery is fully charged and in good condition. Use high-quality fuses and relays to prevent voltage drops. Regularly inspect and clean electrical connections to avoid corrosion. Minimize the use of aftermarket accessories that may strain the system. Follow the manufacturer's guidelines for maintenance and use diagnostic tools to monitor system health.
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 GLK 2008-2015 Service Manual
Coming SoonComprehensive guide covering electrical system maintenance, troubleshooting, and repair procedures for the 2008-2015 Mercedes GLK.
Technical Service Bulletin: Electrical System Updates
Coming SoonDetails recent updates and fixes for the GLK's electrical system, including software patches and hardware recommendations.
Mercedes GLK Parts Catalog
Coming SoonComplete catalog of genuine electrical parts and accessories for the 2008-2015 Mercedes GLK, including part numbers and compatibility details.
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Technical Information
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