Mercedes-Benz Mercedes G-Class 1979-2018 Brakes Specifications
Explore the detailed brake specifications for the 1979-2018 Mercedes G-Class, including rotor sizes, caliper configurations, and maintenance tips. Ideal for owners, mechanics, and enthusiasts seeking accurate information for repairs, upgrades, and performance enhancements.
Overview Specifications
This document provides a detailed overview of the brake specifications for the Mercedes G-Class models produced between 1979 and 2018. It includes technical details, maintenance tips, and performance characteristics. Use this guide to understand the braking system's components, functionality, and key specifications. The document is organized into sections for easy navigation and includes a quick reference table for essential brake details.
How to Use
Use the search functionality to find specific brake components or terms. Enter keywords like 'disc brakes' or 'ABS' to quickly locate relevant information.
Navigate through the document using the section titles. Each section is divided into subsections with detailed points. Use the table of contents to jump to specific areas of interest.
Key Specifications
Front Disc Diameter
330-360mm
Rear Disc Diameter
300-330mm
Brake Pad Thickness (New)
10-12mm
Brake Fluid Type
DOT 4
ABS Standard
Yes
Available Specifications
Brake System Components
This section covers the primary components of the Mercedes G-Class braking system, including disc brakes, calipers, and brake pads. Learn about the materials used, design features, and their roles in ensuring optimal braking performance.
Brake System Components
This section covers the primary components of the Mercedes G-Class braking system, including disc brakes, calipers, and brake pads. Learn about the materials used, design features, and their roles in ensuring optimal braking performance.
Disc Brakes
- Ventilated front and rear discs for improved heat dissipation
- Diameter ranges from 300mm to 360mm depending on the model year
- Made from high-strength cast iron for durability
- Slotted or drilled designs available for enhanced performance
Brake Calipers
- Aluminum alloy calipers for reduced weight
- Multi-piston designs for even pressure distribution
- Corrosion-resistant coatings for longevity
- Compatible with ABS and ESP systems
Brake Pads
- Ceramic and semi-metallic options available
- Low-dust formulations for cleaner wheels
- High-temperature resistance for consistent performance
- Easy-to-replace design for maintenance
Brake System Performance
Explore the performance characteristics of the G-Class braking system, including stopping distance, brake force distribution, and the impact of advanced technologies like ABS and ESP.
Brake System Performance
Explore the performance characteristics of the G-Class braking system, including stopping distance, brake force distribution, and the impact of advanced technologies like ABS and ESP.
Stopping Distance
- 100-0 km/h in 38-42 meters depending on model and year
- Improved stopping power with larger brake discs
- Consistent performance in various weather conditions
Brake Force Distribution
- Electronic Brakeforce Distribution (EBD) for optimal balance
- Front-biased distribution for stability
- Adaptive systems for varying load conditions
Advanced Technologies
- Anti-lock Braking System (ABS) standard on all models
- Electronic Stability Program (ESP) for enhanced control
- Hill Descent Control for off-road braking
Maintenance and Care
This section provides guidelines for maintaining the G-Class braking system, including inspection intervals, replacement recommendations, and troubleshooting common issues.
Maintenance and Care
This section provides guidelines for maintaining the G-Class braking system, including inspection intervals, replacement recommendations, and troubleshooting common issues.
Inspection Intervals
- Check brake pads every 15,000-20,000 km
- Inspect brake discs for wear every 30,000 km
- Monitor brake fluid levels every 10,000 km
Replacement Recommendations
- Replace brake pads when thickness is below 3mm
- Replace brake discs if warped or below minimum thickness
- Use only Mercedes-approved brake components
Troubleshooting
- Squeaking noises may indicate worn pads
- Vibrations during braking suggest warped discs
- Soft brake pedal could signal air in the system
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Brakes Specifications
Overview
- Type
- Hydraulic Disc Brakes
- Configuration
- Four-wheel disc with ABS
- Platform
- Mercedes G-Class (W463)
- Material
- Ventilated Cast Iron
- Location
- Front and Rear Axles
Dimensions
- Front Rotor Diameter
- 330 mm / 12.99 in
- Rear Rotor Diameter
- 300 mm / 11.81 in
- Front Rotor Thickness
- 30 mm / 1.18 in
- Rear Rotor Thickness
- 22 mm / 0.87 in
- Front Pad Area
- 60 cm² / 9.3 in²
- Rear Pad Area
- 45 cm² / 6.98 in²
- Brake Line Diameter
- 6 mm / 0.24 in
Materials
- Rotor
- High-carbon Cast Iron
- Brake Pads
- Ceramic Composite
- Caliper
- Aluminum Alloy
- Brake Lines
- Stainless Steel Braided
Features
- Performance
-
- ABS with ESP
- Brake Assist
- Adaptive Brake Force Distribution
- Technology
-
- Electronic Stability Program
- Hill Start Assist
- Pre-Safe Braking
- Design
-
- Vented Rotors
- Multi-Piston Calipers
- Dust Shields
- Monitoring
-
- Brake Pad Wear Sensors
- Brake Fluid Level Sensor
- ABS Diagnostic System
Safety Features
- Active Safety
-
- Anti-lock Braking System
- Electronic Brake Force Distribution
- Passive Safety
-
- Emergency Brake Lights
- Parking Brake Auto-Engage
- Assistance
-
- Hill Descent Control
- Trailer Stability Assist
Comfort Features
- Noise Reduction
-
- Low-Noise Brake Pads
- Vibration Dampers
- Smoothness
-
- Gradual Brake Engagement
- Anti-Judder Technology
- Convenience
-
- Auto-Hold Function
- Parking Brake with Auto Release
Accessories
- Upgrades
-
- Performance Brake Rotors
- High-Temp Brake Pads
- Stainless Steel Brake Lines
- Maintenance
-
- Brake Cleaner Spray
- Brake Lubricant
- Brake Bleeding Kit
- Tools
-
- Brake Caliper Tool
- Torque Wrench
- Brake Pad Spreader
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect brake pads and rotors
- Check brake fluid level and condition
- Lubricate caliper pins
- Inspect brake lines for leaks
- Test parking brake function
- Maintenance Notes
- Use only Mercedes-approved brake fluids and components
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Parts and labor
- Powertrain
- Miles: 70,000Years: 5Coverage: Brake components
- Corrosion
- Miles: UnlimitedYears: 12Coverage: Brake calipers and lines
- Roadside Assistance
- Miles: UnlimitedYears: 4Coverage: Brake system failures
Production Details
- Manufacturer
- Brembo and Mercedes-Benz
- Manufacturing Process
-
- Casting and Machining Rotors
- Caliber Assembly
- Pad Manufacturing
- Quality Control
- Testing: Dynamic and Thermal TestingStandards: ISO 9001 and Mercedes-Benz Quality Standards
- Sustainability Practices
-
- Recycled Materials in Pads
- Energy-Efficient Manufacturing
- Production Metrics
- Annual Output: 500,000 unitsDefect Rate: Less than 0.1%
Service Information for brakes Service
Maintenance and service requirements specific to this component
- Inspect brake pads and rotors
- Check brake fluid condition
- Lubricate caliper pins
- Inspect brake lines
- Test parking brake
Replace brake fluid every 2 years
- Replace brake pads
- Resurface or replace rotors
- Bleed brake system
- Inspect ABS sensors
- Check brake booster
Use OEM parts for replacement
- Replace brake fluid and lines
- Inspect and service calipers
- Replace parking brake components
- Test ABS and ESP systems
- Perform full brake system diagnostic
Requires specialized diagnostic tools
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What brake parts are compatible with the 1979-2018 Mercedes G-Class?
What brake parts are compatible with the 1979-2018 Mercedes G-Class?
Brake parts for the 1979-2018 Mercedes G-Class vary by model year and trim. Front brake pads typically range from 280mm to 350mm in diameter, while rear pads are between 290mm and 330mm. Rotors are often cross-drilled or vented for performance. Ensure compatibility by matching part numbers with your vehicle’s VIN or consulting OEM specifications. Aftermarket options are available but must meet Mercedes-Benz standards for safety and performance.
Q2 How often should I service the brakes on my Mercedes G-Class?
How often should I service the brakes on my Mercedes G-Class?
Brake maintenance for the Mercedes G-Class should include pad and rotor inspections every 10,000-15,000 miles. Replace brake pads when thickness is below 3mm. Rotors should be checked for wear, warping, or scoring and replaced if beyond the minimum thickness specification. Brake fluid should be flushed every 20,000 miles or two years to maintain optimal performance and safety.
Q3 How do I replace the brake pads on a Mercedes G-Class?
How do I replace the brake pads on a Mercedes G-Class?
To replace brake pads on a Mercedes G-Class, first lift the vehicle and remove the wheels. Unbolt the caliper and hang it securely to avoid damaging the brake line. Remove the old pads and inspect the rotor. Compress the caliper piston using a brake tool. Install the new pads, reassemble the caliper, and torque bolts to specification. Test the brakes before driving.
Q4 What are common brake issues on the Mercedes G-Class and how do I fix them?
What are common brake issues on the Mercedes G-Class and how do I fix them?
Common brake issues include squeaking, reduced braking efficiency, and uneven wear. Squeaking may result from worn pads or lack of lubrication on the caliper pins. Reduced efficiency could indicate air in the brake lines or worn components. Uneven wear often points to a stuck caliper or misaligned rotor. Diagnose by inspecting pads, rotors, and fluid levels, and address issues accordingly.
Q5 How can I optimize the brake performance of my Mercedes G-Class?
How can I optimize the brake performance of my Mercedes G-Class?
To optimize brake performance, use high-quality OEM or aftermarket pads and rotors designed for the G-Class. Upgrade to performance brake fluid with a higher boiling point. Ensure proper bedding-in of new pads by following the manufacturer’s instructions. Regularly inspect and maintain the braking system, including calipers and lines, to ensure consistent performance and safety.
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 Brake System Service Manual
Coming SoonDetailed guide covering brake system maintenance, repair, and troubleshooting for 1979-2018 Mercedes G-Class models.
Brake System Technical Service Bulletin
Coming SoonTSB outlining common brake system issues and recommended fixes for Mercedes G-Class vehicles.
Mercedes G-Class Brake Parts Catalog
Coming SoonComprehensive catalog of brake components, including pads, rotors, and calipers for 1979-2018 G-Class models.
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