Rear Air Suspension Valve Block for Mercedes V-Class, Vito, Metris (W447/W448)

Restore the Versatility and Comfort of Your Mercedes-Benz Van

The rear air suspension on the Mercedes-Benz W447/W448 platform is a key feature that provides two critical benefits: exceptional ride comfort for passengers and automatic self-leveling for heavy loads. Whether you are operating a luxury V-Class shuttle, a hard-working Vito cargo van, or a Marco Polo camper, this system is essential for safety and performance. The air suspension valve block is the component that makes it all possible.

This valve block precisely manages the airflow to the rear air springs, ensuring the vehicle remains level regardless of the load and providing a smooth, car-like ride. When it fails, the vehicle's core functionality is compromised, leading to unmistakable problems:

• The rear of the van sags significantly, especially when loaded or parked for extended periods.

• An "Air Suspension Malfunction" warning appears on your dashboard.

• The automatic load-leveling system is inoperative, creating an unsafe driving condition with a heavy payload.

• A harsh, jarring ride that is uncomfortable for passengers and stressful on the vehicle's chassis.

• The air compressor runs constantly, desperately trying to compensate for a leak, leading to its eventual burnout.

Don't let a small valve compromise the safety and utility of your van. This Biste Air Suspension Valve Block is the high-quality, direct-fit replacement designed to permanently fix leaks, protect your air compressor, and restore your vehicle's sophisticated suspension system to perfect working order.

CRITICAL INSTALLATION ADVISORY:To prevent premature failure and ensure system health, please adhere to the following.

1. Check for Contamination: If the old air compressor has failed, it may have released desiccant dust into the air lines. This abrasive material WILL destroy the internal seals of the new valve block. The air lines MUST be inspected and flushed clean prior to installation.

2. Perform a Thorough Leak Test: After installation, use a soapy water solution to check the seal at every air line connection. An absolutely airtight system is essential for proper function.

Key Features & Benefits:

• Restores Automatic Load-Leveling: Ensures your van remains stable and safe, even with heavy cargo or a full passenger load.

• Brings Back Passenger Comfort: Eliminates the harsh ride caused by a failed system, restoring the premium V-Class experience.

• Broad W447/W448 Platform Fitment: One part covers the entire modern van family, including V-Class, Vito, Metris, EQV, and Marco Polo.

• Protects the Air Compressor: By eliminating leaks, it prevents the expensive compressor from overworking and failing.

• Direct-Fit Installation: Designed as a plug-and-play replacement for the original part with no modifications needed.

Product Specifications

Vehicle Compatibility

This is a direct-fit valve block for the rear air suspension on the following Mercedes-Benz models:

• V-Class (W447, W448) | 2014 - Present

• Vito Tourer (W447, W448) | 2014 - Present

• Vito Box / Panel Van (W447) | 2014 - Present

• Vito Mixto / Dualiner (W447) | 2014 - Present

• Metris (North American W447) | 2016 - 2023

• EQV (W448 Electric) | 2019 - Present

• eVito Tourer (W448 Electric) | 2019 - Present

• eVito Box (W448 Electric) | 2019 - Present

• Marco Polo CAMPER (W447, W448) | 2015 - Present

Replaces OEM Part Numbers

This unit is a direct, interchangeable replacement for the following original equipment part numbers:

• A 099 320 02 00 / A0993200200

• (May also serve as an alternative for A0993200058)