Mercedes-Benz Mercedes A-Class 2004-2012 Brakes Specifications
Explore the detailed brake specifications for the 2004-2012 Mercedes A-Class, including dimensions, materials, torque settings, and compatibility. Essential for maintenance, repairs, and upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the braking system of the 2004-2012 Mercedes A-Class. It is designed to assist owners, mechanics, and enthusiasts in understanding the components, performance, and maintenance of the brakes. Use the search and navigation instructions to quickly find the information you need.
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Key Specifications
Front Brake Disc Diameter
278 mm
Rear Brake Disc Diameter
260 mm
Brake Fluid Type
DOT 4
ABS System
Standard
Parking Brake Type
Mechanical Drum
Available Specifications
Brake System Overview
This section covers the general architecture of the braking system in the 2004-2012 Mercedes A-Class, including the types of brakes used and their primary functions.
Brake System Overview
This section covers the general architecture of the braking system in the 2004-2012 Mercedes A-Class, including the types of brakes used and their primary functions.
Brake Types
- Front brakes: Ventilated disc brakes
- Rear brakes: Solid disc brakes
- Parking brake: Mechanical drum brake integrated into rear discs
- ABS (Anti-lock Braking System) standard on all models
- Electronic Brakeforce Distribution (EBD) included
System Components
- Brake calipers: Single-piston floating type
- Brake discs: Diameter varies by model year
- Brake pads: High-friction material for improved stopping power
- Brake fluid: DOT 4 specification
- Hydraulic brake lines: Reinforced for durability
Performance Specifications
This section provides detailed performance metrics for the braking system, including stopping distances, braking force, and efficiency.
Performance Specifications
This section provides detailed performance metrics for the braking system, including stopping distances, braking force, and efficiency.
Stopping Distances
- 100 km/h to 0: Approximately 38 meters
- 80 km/h to 0: Approximately 25 meters
- Wet surface stopping distance: Increased by 10-15%
- Performance varies with tire condition and weight load
Braking Force
- Front axle: 60-70% of total braking force
- Rear axle: 30-40% of total braking force
- ABS prevents wheel lockup under heavy braking
- EBD optimizes force distribution based on load
Maintenance and Care
This section outlines essential maintenance practices to ensure optimal brake performance and longevity.
Maintenance and Care
This section outlines essential maintenance practices to ensure optimal brake performance and longevity.
Routine Checks
- Inspect brake pads every 10,000 km
- Check brake fluid level every 15,000 km
- Examine brake discs for wear and warping
- Test parking brake functionality regularly
Replacement Guidelines
- Brake pads: Replace when thickness is below 3 mm
- Brake discs: Replace if thickness is below minimum specification
- Brake fluid: Replace every 2 years or 40,000 km
- Brake lines: Inspect for cracks and leaks annually
Search Specifications
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Brakes Specifications
Overview
- Type
- Hydraulic disc brakes
- Configuration
- Front and rear disc brakes
- Platform
- Mercedes A-Class W169
- Material
- High-carbon cast iron
- Location
- Wheel hubs
Dimensions
- Front Rotor Diameter
- 280 mm / 11.02 in
- Rear Rotor Diameter
- 260 mm / 10.24 in
- Front Rotor Thickness
- 22 mm / 0.87 in
- Rear Rotor Thickness
- 10 mm / 0.39 in
- Front Pad Area
- 50 cm² / 7.75 in²
- Rear Pad Area
- 40 cm² / 6.2 in²
- Brake Line Diameter
- 3.5 mm / 0.14 in
- Brake Fluid Capacity
- 500 ml / 16.91 fl oz
Materials
- Rotors
- High-carbon cast iron
- Brake Pads
- Ceramic composite
- Calipers
- Aluminum alloy
- Brake Lines
- Stainless steel braided
- Brake Fluid
- DOT 4
Features
- Performance
-
- ABS (Anti-lock Braking System)
- EBD (Electronic Brakeforce Distribution)
- BAS (Brake Assist System)
- Durability
-
- Corrosion-resistant rotors
- Heat-dissipating calipers
- Long-lasting brake pads
- Safety
-
- Hill Start Assist
- Automatic emergency braking
- Pedestrian detection
- Comfort
-
- Low noise operation
- Smooth braking feel
- Minimal brake dust
- Maintenance
-
- Wear sensors
- Easy pad replacement
- Self-adjusting calipers
Safety Features
- Active Safety
-
- ABS with ESP
- Brake Assist Plus
- Collision Prevention Assist
- Passive Safety
-
- Reinforced brake lines
- Heat shields
- Brake system warning lights
- Emergency Features
-
- Automatic brake drying
- Emergency brake lights
- Brake force display
Comfort Features
- Noise Reduction
-
- Chamfered brake pads
- Anti-squeal shims
- Vibration dampers
- Operation
-
- Light pedal effort
- Progressive braking
- Consistent performance
- Environmental
-
- Low dust pads
- Eco-friendly materials
- Recyclable components
- Weather Adaptation
-
- Wet weather performance
- Cold weather responsiveness
- High-temperature stability
Accessories
- Upgrades
-
- Performance brake pads
- Drilled and slotted rotors
- Stainless steel brake lines
- Maintenance
-
- Brake cleaning kit
- Brake fluid tester
- Pad wear indicators
- Tools
-
- Brake caliper tool
- Torque wrench
- Brake bleeder kit
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect brake pads
- Check rotor thickness
- Test brake fluid
- Lubricate caliper pins
- Inspect brake lines
- Maintenance Notes
-
- Replace pads if below 3mm
- Flush brake fluid every 2 years
- Check for uneven wear
Warranty
- Parts Warranty
- Miles: 50,000Years: 4Coverage: Manufacturer defects
- Labor Warranty
- Miles: 50,000Years: 4Coverage: Authorized service centers
- Rotor Warranty
- Miles: 30,000Years: 2Coverage: Warping and cracking
- Pad Warranty
- Miles: 30,000Years: 2Coverage: Premature wear
Production Details
- Manufacturer
- Brembo
- Manufacturing Process
-
- Precision casting
- Heat treatment
- Surface finishing
- Quality Control
- Testing: Heat cycle testing, Material composition analysis, Dimensional accuracy checksCertifications: ISO 9001, TÜV certified, OEM standards
- Sustainability Practices
-
- Recycled materials
- Energy-efficient production
- Waste reduction programs
- Production Metrics
- Daily Output: 5000 unitsDefect Rate: 0.01%Energy Consumption: 10 kWh per unit
Service Information for brakes Service
Maintenance and service requirements specific to this component
- Inspect brake pad thickness
- Check rotor condition
- Test brake fluid quality
- Lubricate caliper components
- Inspect brake lines for wear
Replace pads if thickness is below 3mm
- Replace brake pads
- Resurface or replace rotors
- Flush brake fluid
- Inspect caliper function
- Check ABS sensors
Use manufacturer-approved brake fluid
- Complete brake system overhaul
- Replace all brake components
- Perform ABS system check
- Inspect master cylinder
- Test brake balance
Requires specialized diagnostic equipment
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Are these brakes compatible with all 2004-2012 Mercedes A-Class models?
Are these brakes compatible with all 2004-2012 Mercedes A-Class models?
Yes, these brakes are designed to be compatible with all 2004-2012 Mercedes A-Class models, including the A150, A170, A160 CDI, and A180 CDI variants. They meet OEM specifications for fitment and performance, ensuring proper operation with the vehicle's braking system. Always verify the exact model and trim before purchase to ensure compatibility.
Q2 How often should the brakes on my Mercedes A-Class be maintained?
How often should the brakes on my Mercedes A-Class be maintained?
Regular brake maintenance for the 2004-2012 Mercedes A-Class is recommended every 12,000 to 15,000 miles or annually, whichever comes first. This includes inspecting brake pads, rotors, and fluid levels. Replace brake pads when thickness is below 3mm and rotors if they show signs of warping or scoring. Brake fluid should be flushed every 2 years.
Q3 How do I replace the brake pads on my Mercedes A-Class?
How do I replace the brake pads on my Mercedes A-Class?
To replace brake pads on a 2004-2012 Mercedes A-Class, first, lift the vehicle and remove the wheels. Unbolt the caliper and hang it safely. Remove the old brake pads and clean the caliper bracket. Install the new pads, ensuring proper alignment. Reattach the caliper and tighten bolts to the specified torque. Test the brakes before driving.
Q4 What should I do if my brakes are making noise or vibrating?
What should I do if my brakes are making noise or vibrating?
Noise or vibration in the brakes could indicate worn pads, warped rotors, or debris in the braking system. Inspect the brake pads and rotors for wear or damage. Clean the brake components thoroughly. If the issue persists, replace the pads and/or rotors. Ensure all hardware is properly tightened to avoid vibrations.
Q5 How can I optimize the performance of my Mercedes A-Class brakes?
How can I optimize the performance of my Mercedes A-Class brakes?
To optimize brake performance, use high-quality brake pads and rotors designed for your 2004-2012 Mercedes A-Class. Regularly inspect and maintain the braking system, including fluid levels and hardware. Avoid aggressive driving to reduce wear. Upgrade to slotted or drilled rotors for improved heat dissipation if desired.
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 A-Class Brake System Service Manual
Coming SoonThis manual provides detailed instructions on maintaining and repairing the brake system for 2004-2012 Mercedes A-Class vehicles, including diagrams and torque specifications.
Technical Service Bulletin: Brake System Updates
Coming SoonThis bulletin outlines updates and improvements to the brake system for 2004-2012 Mercedes A-Class models, including part numbers and installation instructions.
Mercedes A-Class Brake Parts Catalog
Coming SoonA comprehensive catalog of brake components for 2004-2012 Mercedes A-Class vehicles, including pads, rotors, and calipers, with detailed part numbers and compatibility information.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
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