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1996-1999 Mercedes Benz S600 RWD Rear Hydraulic Suspension Conversion Kit (MW1RB)
1996-1999 Mercedes Benz S600 RWD Rear Hydraulic Suspension Conversion Kit (MW1RB)
1996-1999 Mercedes Benz S600 RWD Rear Hydraulic Suspension Conversion Kit (MW1RB)
1996-1999 Mercedes Benz S600 RWD Rear Hydraulic Suspension Conversion Kit (MW1RB)

1996-1999 Mercedes-Benz S600 RWD Rear Hydraulic Suspension Conversion Kit (MW1RB)

The 1996-1999 Mercedes Benz S600 RWD Rear Hydraulic Suspension Conversion Kit (MW1RB) is the perfect solution to your air suspension problems. Designed to be very affordable, you can convert your air suspension to use passive shocks and coil springs for less than the price of replacing one original equipment air spring.
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Convert Your Hydraulic Suspension To A Coil Spring Suspension. End Your Air Suspension Problems Forever...

Strutmasters 1996-1999 Mercedes Benz S600 Rear Conversion Kit is the perfect solution to your rear suspension problems. Designed to be very affordable, you can convert your rear suspension to use standard shocks/struts and coil springs for less than the price of replacing one hydraulic strut.

Conversion Kit Features

  • Saves Money
  • Replaces Your Hydraulic Struts
  • All New Components
  • Rides Great
  • No Modifications Required To Install
  • Easy To Install
  • Premium Springs

Air Suspension Conversion Kit Includes

  • 2 Rear Shocks
  • 2 Rear Springs
  • New Mounts
  • All Necessary Hardware
  • Detailed Instructions

This Conversion Kit Fits

1996 Mercedes S600 (RWD), 1997 Mercedes S600 (RWD), 1998 Mercedes S600 (RWD), 1999 Mercedes S600 (RWD)

Product Notes

  • Fits The W140 Chassis
  • Kit Does Not Fit 4MATIC Models with All-Wheel Drive


Replaced Components
The 1996-1999 Mercedes Benz S600 RWD is built with the following suspension components:

1996-1999 Mercedes Benz S600 RWD Hydro-Pneumatic Springs (x2)- Commonly referred to as air bags, a plastic and rubber bag that is fitted on top of the strut that uses pressurized air as a cushion instead of a metal coil spring to hold a vehicle off of the ground and off of its wheels. These are the number one cause of all air suspension leaks. All air springs all go bad at about the same rate. If one is leaking, the others will not be far behind. For a proper repair, all of them need to be replaced at the same time. If your model has hydraulic springs/struts, then it is filled with hydraulic fluid instead of air to adjust the height and dampening of the vehicle.

1996-1999 Mercedes Benz S600 RWD Electronic Shocks (x2)- shocks whose dampening capabilities are controlled by the suspension control module.

1996-1999 Mercedes Benz S600 RWD Height Sensors (x2)- a linkage located near each wheel of a vehicle with any electronic suspension that, either mechanically or electronically, constantly measures the height of the vehicle, and reports this information back to the control module so that the computer can identify if changes in height need to be adjusted accordingly. The ride height sensor is a moving part, and like all moving parts, they will eventually wear out.

1996-1999 Mercedes Benz S600 RWD Compressor- This vehicle is equipped with one air suspension compressor. The compressor is responsible for pumping up the air springs and shocks. When the air suspension starts leaking, the compressor is forced to run continuously to try and keep the air springs inflated. After a couple of days of running non-stop, the compressor will burn itself out. Replacing the compressor is a timely and expensive project to undertake.

1996-1999 Mercedes Benz S600 RWD Dryer Assembly- This vehicle is equipped with a dryer assembly. The dryer assembly is responsible for getting moisture out of the air lines. Once the air suspension parts start to leak, moisture will build up throughout the air system. Moisture damages the air suspension components from the inside out. The dryer must be replaced whenever the compressor is replaced to prevent further damage.

1996-1999 Mercedes Benz S600 RWD Suspension Control Module- This vehicle is equipped with a suspension control module. This module is the brain of the suspension system and it reads all of the signals that are being sent by the height sensors and determines if the vehicle needs to be raised or lowered.

1996-1999 Mercedes Benz S600 RWD O-rings- Although they are the least expensive parts of the air suspension, they are responsible for maintaining the seal where all of the air lines connect. Be sure to replace the O-rings when repairing any air suspension system.

Suspension Failure Signs
If the 1996-1999 Mercedes-Benz S600 RWD is unable to reach and maintain its proper ride height, a failed or leaking air suspension system may be to blame. Look for these common signs that indicate the air suspension is going bad, before it's too late and total failure sets in. A sudden uneven height difference between different sides of the S600 is one major red flag. Typically, one end will sag while the other end will remain inflated. This gives the illusion the S600 is squatting down too low to the ground. Any height imbalance will eventually wear out the air compressor. If the air compressor stops working or is running too often then a suspension warning light will illuminate on the dashboard.

OEM Replacement Cost

+ Rear Electronic Shocks ($180/shock)
+ Rear Hydro-Pnuematic Spring ($970)
+ Hydraulic Pump ($280)
= TOTAL: Over $2,580 (and that doesnt even include replacing electronic components that are known to fail such as the height sensors).


Strutmasters' air to non-air suspension conversion kit saves the S600 RWD owner time, frustration, and money when the original air suspension system goes bad. The kit, made in America, comes complete with two coil springs with mounts and two passive hydraulic fluid and gas shocks for the rear. The quality parts are backed by Strutmasters' Lifetime Limited Warranty. The kit is a direct replacement, so no modifications are needed before it is installed. Detailed instructions and online installation videos help guide a seamless repair. If further help is needed, Strutmasters' ASE certified experts offer technical support over the phone. Lastly, the price of the kit is considerably lower than the alternative solutions. A closer look at the prices of dealership direct replacement, individual aftermarket part replacement, and Strutmasters' coilover suspension conversion kit highlights just how considerable the savings are.
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