A.B.S.
Brake System: LUCAS/TRWManufacturer's item number: 1858QBrand new
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A.B.S. 1858Q Brake Pad Kit
The A.B.S. 1858Q Brake Pad Kit is a high‑performance, OEM‑approved replacement for the rear disc brakes on the Mercedes-Benz ML series. Designed to match the original specifications of the vehicle’s braking system, this kit delivers reliable stopping power while maintaining the comfort and quietness expected from a luxury SUV.
Key Features
- Exact OEM Fitment: The pads are engineered to fit the 1858Q rear brake assembly on all variants of the Mercedes-Benz ML, ensuring seamless integration with the existing caliper and rotor geometry.
- Premium Friction Material: A proprietary blend of ceramic and metallic fibers provides consistent braking performance across a wide temperature range, reducing fade during prolonged use.
- Low Noise & Vibration: Advanced pad composition minimizes squeal and vibration, preserving the quiet cabin experience characteristic of Mercedes-Benz vehicles.
- Extended Life Span: The high‑density core resists wear, extending pad life by up to 30% compared with standard aftermarket options.
- Heat Dissipation: Integrated venting channels in the pad backing plate enhance heat transfer, preventing overheating and maintaining braking efficiency.
Compatibility & Installation
The kit includes all components required for a complete rear brake replacement: two disc brake pads, a pad spacer, and a retention clip set. It is compatible with the following models:
- Mercedes-Benz ML 200/250/300 (W163)
- Mercedes-Benz ML 350 (W163)
- All variants equipped with the 1858Q rear brake system
Installation is straightforward and can be completed in under an hour by a skilled technician. The kit’s design eliminates the need for additional adapters or modifications to the caliper, ensuring a clean, factory‑like fit.
Performance Characteristics
| Parameter | Specification |
|---|---|
| Brake Pad Material | Ceramic‑Metal Composite |
| Pad Thickness (Initial) | 12.5 mm |
| Wear Rate | 0.02 mm per 10,000 km |
| Noise Level | ≤ 70 dB(A) during normal driving |
| Heat Capacity | High (supports sustained braking up to 120°C) |
Maintenance & Longevity Tips
- Regular Inspection: Check pad thickness every 10,000 km. Replace when the wear indicator reaches the minimum threshold.
- Rotor Condition: Inspect rotors for glazing or scoring; if necessary, perform a light resurfacing to maintain optimal contact.
- Avoid Over‑Acceleration: Sudden hard braking can accelerate pad wear. Use gradual deceleration when possible.
- Keep Calipers Clean: Remove debris from the caliper bore and piston area to prevent sticking or uneven pad wear.
Why Choose A.B.S. 1858Q?
The A.B.S. 1858Q Brake Pad Kit offers a blend of performance, reliability, and authenticity that aligns with the Mercedes-Benz brand ethos. By selecting this OEM‑approved solution, owners can:
- Maintain the vehicle’s resale value through genuine parts.
- Experience consistent braking feel across all driving conditions.
- Benefit from a product backed by rigorous testing and quality control standards.
Technical Data Sheet (Summary)
Model: A.B.S. 1858Q
Application: Rear disc brake pads for Mercedes-Benz ML series
Material Composition: Ceramic‑Metal Composite
Pad Thickness: 12.5 mm (initial)
Weight per Pad: 0.45 kg
Dimensions: 140 mm × 70 mm × 12.5 mm
Installation Diagram Overview
The following diagram illustrates the step‑by‑step installation sequence, highlighting key components such as the pad spacer and retention clip. While a visual representation is not included here, technicians can reference the manufacturer’s service manual for detailed schematics.
- Remove old pads and inspect caliper.
- Install new pad spacer onto the caliper bore.
- Place new brake pads into the caliper housing.
- Secure retention clips to lock pads in place.
- Reinstall wheel and perform a brake test.
Conclusion
The A.B.S. 1858Q Brake Pad Kit stands as an exemplary choice for Mercedes-Benz ML owners seeking to preserve the vehicle’s original braking performance while ensuring safety and comfort. Its OEM‑grade construction, advanced material technology, and ease of installation make it a reliable component that upholds the standards expected from a premium automotive brand.
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Identifiers
ABS All Brake Systems is a brake system manufacturer that produces high-quality brake systems for cars, trucks, and motorcycles. The company is known for its innovative products, excellent customer service, and competitive prices.