Mercedes-Benz Mercedes A-Class 2018-present Brakes Specifications
Explore the comprehensive brake specifications for the 2018-Present Mercedes A-Class. Learn about brake types, dimensions, materials, and performance metrics to ensure optimal maintenance and safety.
Overview Specifications
This document provides detailed specifications and technical information about the braking system of the 2018-Present Mercedes A-Class. It is designed to help users understand the components, features, and performance of the brakes. Use this guide to explore the system's design, maintenance tips, and key specifications. The document is organized into sections for easy navigation and includes a quick reference table for essential details.
How to Use
Use the search function to quickly locate specific terms or components related to the brakes. Enter keywords like 'brake pads,' 'calipers,' or 'ABS' to find relevant sections.
Navigate through the document using the section titles and subsections. Each major section covers a specific aspect of the braking system, with detailed technical points listed under each subsection.
Key Specifications
Front Brake Disc Diameter
320 mm
Rear Brake Disc Diameter
270 mm
Brake Caliper Type (Front)
Single-piston floating
ABS Standard
Yes
ESP Standard
Yes
Available Specifications
Front Brakes
The front braking system of the Mercedes A-Class is designed for optimal stopping power and durability. This section covers the components, materials, and performance features of the front brakes, including the discs, calipers, and pads.
Front Brakes
The front braking system of the Mercedes A-Class is designed for optimal stopping power and durability. This section covers the components, materials, and performance features of the front brakes, including the discs, calipers, and pads.
Brake Discs
- Ventilated discs for improved heat dissipation
- Diameter: 320 mm (standard)
- Optional perforated discs for high-performance models
- Made from high-strength cast iron
- Resistant to warping and cracking
- Compatible with all-season use
Brake Calipers
- Single-piston floating calipers (standard)
- Optional multi-piston fixed calipers for AMG models
- Lightweight aluminum construction
- Anti-corrosion coating for longevity
- Integrated with ABS and ESP systems
- Easy to replace and maintain
Rear Brakes
The rear braking system complements the front brakes to ensure balanced and efficient stopping. This section details the design, components, and features of the rear brakes, including the discs, calipers, and parking brake mechanism.
Rear Brakes
The rear braking system complements the front brakes to ensure balanced and efficient stopping. This section details the design, components, and features of the rear brakes, including the discs, calipers, and parking brake mechanism.
Brake Discs
- Solid discs for standard models
- Diameter: 270 mm (standard)
- Optional ventilated discs for enhanced performance
- High thermal resistance
- Durable and low-maintenance design
- Compatible with electronic parking brake
Brake Calipers
- Single-piston floating calipers
- Lightweight and compact design
- Integrated with electronic parking brake system
- Corrosion-resistant materials
- Easy to service and replace
- Compatible with ABS and ESP systems
Brake Assist Systems
The Mercedes A-Class is equipped with advanced brake assist systems to enhance safety and control. This section explains the functionality and benefits of systems like ABS, ESP, and brake assist, which work together to optimize braking performance.
Brake Assist Systems
The Mercedes A-Class is equipped with advanced brake assist systems to enhance safety and control. This section explains the functionality and benefits of systems like ABS, ESP, and brake assist, which work together to optimize braking performance.
ABS (Anti-lock Braking System)
- Prevents wheel lockup during hard braking
- Improves steering control in emergency stops
- Standard on all models
- Integrated with ESP and traction control
- Self-diagnostic system for maintenance
- Enhanced safety in wet or slippery conditions
ESP (Electronic Stability Program)
- Automatically adjusts braking force for stability
- Helps prevent skidding and loss of control
- Standard on all models
- Works in conjunction with ABS and traction control
- Customizable settings for different driving modes
- Enhances safety in cornering and sudden maneuvers
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Brakes Specifications
Overview
- Type
- Disc brakes (front and rear)
- Configuration
- Ventilated front discs, solid rear discs
- Platform
- MFA2 (Modular Front Architecture)
- Material
- High-carbon cast iron with aluminum hubs
- Location
- Front and rear axles
Dimensions
- Front Disc Diameter
- 320 mm (12.6 in)
- Rear Disc Diameter
- 300 mm (11.8 in)
- Front Disc Thickness
- 28 mm (1.1 in)
- Rear Disc Thickness
- 22 mm (0.87 in)
- Brake Pad Length
- 150 mm (5.9 in)
- Brake Pad Width
- 60 mm (2.36 in)
- Brake Pad Thickness
- 15 mm (0.59 in)
- Caliper Piston Diameter
- 48 mm (1.89 in)
Materials
- Brake Discs
- High-carbon cast iron with anti-corrosion coating
- Brake Pads
- Ceramic composite with low-dust formulation
- Calipers
- Aluminum alloy with heat-resistant paint
- Brake Lines
- Stainless steel braided hoses
Features
- Performance
-
- High thermal capacity for reduced fade
- Optimized cooling vanes in front discs
- Precise brake force distribution
- Technology
-
- Electronic Brakeforce Distribution (EBD)
- Brake Assist (BAS)
- Adaptive Brake System with Hill Start Assist
- Safety
-
- Anti-lock Braking System (ABS)
- Electronic Stability Program (ESP)
- Traction Control System (TCS)
- Comfort
-
- Low-noise brake pads
- Smooth pedal feel
- Progressive braking response
- Durability
-
- Corrosion-resistant discs
- Long-lasting pad material
- Reinforced brake lines
Safety Features
- Active Safety
-
- Collision Prevention Assist
- Crosswind Assist
- Active Brake Assist
- Passive Safety
-
- Dual-circuit brake system
- Automatic brake drying in wet conditions
- Emergency brake light flashing
Comfort Features
- Pedal Response
-
- Adjustable brake pedal feel
- Progressive engagement
- Reduced pedal effort
- Noise Reduction
-
- Anti-squeal shims
- Vibration-damping pads
- Optimized disc surface finish
- Maintenance
-
- Wear sensors for pads
- Easy-access caliper design
- Self-cleaning disc surfaces
Accessories
- Upgrades
-
- Performance brake pads
- Drilled and slotted discs
- High-performance brake fluid
- Tools
-
- Brake pad replacement kit
- Caliper service tool
- Brake fluid tester
- Maintenance
-
- Brake cleaner spray
- Anti-seize lubricant
- Brake dust shields
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect brake pads and discs
- Check brake fluid level and condition
- Test brake system for leaks
- Lubricate caliper pins
- Measure disc thickness
- Maintenance Notes
- Replace brake fluid every 2 years regardless of mileage
Warranty
- Brake Pads
- Miles: 30,000Years: 2Coverage: Normal wear and tear
- Brake Discs
- Miles: 50,000Years: 4Coverage: Manufacturing defects
- Brake Fluid
- Miles: N/AYears: 2Coverage: Fluid replacement
- Calipers
- Miles: 100,000Years: 10Coverage: Seal and piston defects
Production Details
- Manufacturer
- Brembo and Mercedes-Benz
- Manufacturing Process
-
- Precision casting of brake discs
- CNC machining of calipers
- Automated pad assembly
- Quality Control
- Testing: Thermal stress testing, Vibration analysis, Corrosion resistance testingStandards: ISO 9001, ISO/TS 16949, Mercedes-Benz internal standards
- Sustainability Practices
-
- Recycled materials in brake pads
- Energy-efficient manufacturing
- Low-emission production processes
- Production Metrics
- Annual Output: 500,000 unitsDefect Rate: Less than 0.01%Lead Time: 4 weeks
Service Information for brakes Service
Maintenance and service requirements specific to this component
- Inspect brake pad thickness
- Check brake disc condition
- Test brake fluid moisture content
- Lubricate caliper pins
- Inspect brake lines for leaks
Replace brake fluid if moisture content exceeds 3%
- Replace brake pads if necessary
- Resurface or replace brake discs
- Flush and replace brake fluid
- Inspect ABS sensors
- Test brake system performance
Use only Mercedes-Benz approved brake fluid
- Replace brake discs and pads
- Inspect and service calipers
- Replace brake lines if necessary
- Test ABS and ESP functionality
- Perform full brake system diagnostic
Major service requires specialized equipment and trained technicians
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Are these brakes compatible with all 2018-Present Mercedes A-Class models?
Are these brakes compatible with all 2018-Present Mercedes A-Class models?
The brakes are compatible with all 2018-Present Mercedes A-Class models, including A180, A200, A220, A250, and AMG variants. They meet OEM specifications and are designed for both standard and performance models. Ensure compatibility with your specific trim by verifying the part number and consulting your vehicle's manual or a certified technician.
Q2 What is the recommended maintenance schedule for Mercedes A-Class brakes?
What is the recommended maintenance schedule for Mercedes A-Class brakes?
Mercedes A-Class brakes should be inspected every 10,000 miles or annually, whichever comes first. Brake pads typically last 30,000-50,000 miles, while rotors may need replacement every 50,000-70,000 miles. Regular checks for wear, noise, and vibration are essential. Always follow the manufacturer's guidelines and consult a professional for servicing.
Q3 How do I replace the brake pads on a 2018-Present Mercedes A-Class?
How do I replace the brake pads on a 2018-Present Mercedes A-Class?
To replace brake pads, lift the vehicle and remove the wheels. Unbolt the caliper and suspend it to avoid damaging the brake line. Remove the old pads, compress the caliper piston, and install new pads. Reassemble the caliper and wheels, then test the brakes before driving. Refer to the service manual for torque specifications and safety precautions.
Q4 What should I do if my brakes are squeaking or vibrating?
What should I do if my brakes are squeaking or vibrating?
Squeaking or vibrating brakes may indicate worn pads, uneven rotors, or debris buildup. Inspect the pads and rotors for wear or damage. Clean the brake components and check for proper alignment. If issues persist, resurface or replace the rotors and pads. Persistent problems may require professional diagnosis.
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 pads and rotors designed for your driving style. Regularly clean brake components to prevent debris buildup. Avoid aggressive braking and allow brakes to cool after heavy use. Consider upgrading to performance brakes for enhanced stopping power and durability.
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 SoonDetailed guide covering brake system maintenance, repair, and troubleshooting for 2018-Present Mercedes A-Class models.
Technical Service Bulletin: Brake System Updates
Coming SoonLatest updates and fixes for the brake system in 2018-Present Mercedes A-Class vehicles, including software and hardware improvements.
Mercedes A-Class Brake Parts Catalog
Coming SoonComprehensive catalog of OEM and aftermarket brake parts for 2018-Present Mercedes A-Class models, including pads, rotors, and calipers.
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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.
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