febi bilstein 17691 Propshaft Centre Support without ball bearing, pack of one

Overview of the Febi Bilstein 17691 Propshaft Centre Support

The Febi Bilstein 17691 Propshaft Centre Support is a precision‑engineered component designed to provide robust support for the driveshaft in a wide range of Mercedes-Benz models. Unlike conventional supports that incorporate ball bearings, this unit features a non‑ball bearing design, offering superior durability and reduced maintenance requirements.

Key Functional Attributes

• Centralised Support: The support is positioned at the midpoint of the driveshaft, ensuring even load distribution across the shaft’s length.
• No Ball Bearing: Eliminates the need for a ball bearing assembly, simplifying installation and reducing potential failure points.
• High‑Strength Construction: Manufactured from hardened steel with a protective coating to resist corrosion and wear under high torque conditions.
• Compatibility: Specifically engineered for Mercedes-Benz C‑Class (W202, S202, C208), CLK, SLK, A208, R170, W170, and other related models from the early 1990s through the early 2000s.

Installation Considerations

When installing the 17691 Propshaft Centre Support, it is essential to align the mounting surfaces precisely with the driveshaft’s centreline. The support features a single‑piece design that mates directly to the shaft, eliminating the need for additional bushings or spacers.

During installation:

1. Secure the driveshaft in a stable position.
2. Align the support’s mounting flange with the shaft’s centre.
3. Tighten the mounting bolts to the manufacturer’s specified torque.

Performance Benefits

The absence of ball bearings reduces friction and heat generation, which translates into:

• Extended Service Life: The support can endure higher torsional loads without premature wear.
• Improved Reliability: Fewer moving parts mean less chance of mechanical failure during operation.
• Lower Maintenance Costs: No bearing replacement or lubrication required, saving time and money over the vehicle’s lifespan.

Material Composition and Finish

The core material is a high‑grade alloy steel that undergoes a thermal treatment process to enhance hardness. A protective coating—typically zinc or phosphating—is applied to guard against rust and environmental degradation, ensuring the support remains functional in diverse climates.

Application Scope Across Mercedes-Benz Models

The 17691 unit is tailored for a broad spectrum of vehicles:

• C‑Class (W202, S202, C208): Provides essential driveshaft support for both sedan and coupe variants.
• CLK & SLK: Offers reliable performance in the sporty coupes and roadsters.
• A208, R170, W170: Extends support to compact and mid‑size models with similar driveshaft configurations.

Maintenance and Inspection Guidelines

Although the support is designed for longevity, periodic inspection is recommended to ensure optimal performance:

1. Check for any visible signs of wear or deformation on the mounting surfaces.
2. Verify that all bolts remain securely tightened.
3. Inspect the protective coating for cracks or flaking, which could expose the steel to corrosion.

Technical Specifications Summary

Conclusion

The Febi Bilstein 17691 Propshaft Centre Support exemplifies engineering excellence by combining a robust, non‑ball bearing design with precise compatibility for a range of Mercedes-Benz models. Its high‑strength construction, simplified installation process, and low maintenance profile make it an ideal choice for both original equipment replacement and aftermarket upgrades.