For Mercedes W164 ML320 ML350 05-11 GL450 GL550 Rear Pair Air Suspension Bags

Air Suspension Structure

10 164 320 07 31 Shock Absorber

10 164 320 20 31 Shock Absorber

10 164 320 27 31 Shock Absorber

10 164 320 30 31 Shock Absorber

20 164 540 67 10 Wiring Harness

30 164 320 02 25 Pneumatic Spring

30 164 320 06 25 Pneumatic Spring

30 164 320 09 25 Air Spring

30 164 320 10 25 Air Spring

30 166 320 03 25 Pneumatic Spring

35 000 327 00 69 Connector

70 003 997 56 90 Clamp

100 164 320 09 31 Shock Absorber

100 164 320 15 31 Shock Absorber

100 164 320 16 31 Shock Absorber

100 164 320 24 31 Shock Absorber

110 164 324 02 04 Rear Spring

110 164 324 04 04 Helical Spring

120 164 325 02 15 Spring Case

125 164 324 00 84 Shim

130 211 328 00 58 Seal Holder

140 164 320 00 56 Shim

145 166 326 04 67 Spring Plate

150 N000000003905 Nut

155 N913023010004 Nut

160 202 326 00 76 Washer

170 164 328 01 04 Cover Plate

170 164 328 02 04 Cover Plate

170 164 328 05 04 Cover Plate

170 164 328 06 04 Cover Plate

200 N000000003343 Nut

200 N000000005275 Nut

210 N910105016009 Hexagon Head Bolt

700 210 540 21 81 Clutch

710 000 545 69 80 Gasket

710 008 545 63 26 Female Contact

Item Specifications

Key Words: Rear Pair Air Suspension Spring Bags For Mercedes M-Class W164 ML320 ML350 ML450 ML500 ML550 GL-Class X164 GL320 GL350 GL450 GL550

*Removal Guideline

1.Raise vehicle with lifting platform.

-Raise vehicle far enough until the wheels are clear of the ground.

2.Empty air spring use STAR DIAGNOSIS system. Connect STAR DIAGNOSIS and read out fault memory.

3.Switch off ignition and remove the transmitter key from the EIS control unit.

-On vehicles w/Keyless Go, (889), Press Keyless Go button repeatedly until ignition is switched off. Remove transmitter key from vehicle and storeit in a location beyond its transmission range (at least 2 m).

4.Raise vehicle with lifting platform.

5.Unscrew threaded connection for compressed air line of air suspension from the air spring.

-Detach threaded air line connector from airline, make sure a clean straight cut on line.

6.Carefully pull air spring downwards at its upper plastic frame until the air spring detaches from the retaining clip.

-The retaining clip must be replaced during installation as it is destroyed during removal.

7.Carefully push the air spring together upwards, in the process press the air spring centering from below out of the lower transverse control arm.

8.Remove air spring downwards at an angle.

*Installation Guideline

Caution: If the air spring is not installed and filled in accordance with the regulations, it can be pre-damaged and fail later on.

1.Install the new retaining clip onto body of the vehicle.

-Remove the remains of the old retianing clip from the body of the vehicle.

2.Mount cover on the air spring.

-The fixing journals must engage in the holes of the air spring. The curved surface of the cover

must be positioned above the compressed air line connection of the air spring.

3.Insert air spring.

-Do not twist air spring, otherwise it will be damaged. The airspring must latch in the retaining clip and be positioned with the lug of the air spring centering correctly in the lower transverse control arm.

4.Pull plastic airline fitting insert straight out and insert air line directly into airline fitting.

5.Lower vehicle with lifting platform.

-Only lower vehicle far enough that the wheels are still easily accessible.

6.Start engine and run.

-Before starting, ensure that the transmission is in the park position.

-Use exhaust extraction!

7.Inflate air spring using the STAR DIAGNOSIS system. Connect and read out fault memory.

-Ensure that there are no leaks from the air suspension system.

8.Switch off engine and lower the vehicle using the lifting platform.

*Warning & Notice

Vent all air pressure from the air suspension system prior to disconnecting or removing any air suspension components. It is dangerous to remove air suspension components while under pressure. Failure to follow this instruction may result in serious personal injury.

Any air spring which is unfolded must be refolded prior to being installed in a vehicle. Refer to the procedure. An incorrectly folded air spring could rupture, altering the handling characteristics of the vehicle. If a vehicle has been driven with an incorrectly folded air spring, a new air spring must be installed. Failure to follow these instructions may result in serious injury to vehicle occupant(s).

Failure to observe the following instructions may result in a sudden failure of the air spring or suspension system.

Any rear spring which is unfolded must be refolded prior to being installed in a vehicle.

The air spring refolding procedure should only be used for an air spring which has never supported the vehicle's weight while in the incorrectly folded position.

Incorrectly folded air springs found on vehicles during pre-delivery inspection or after use must be installed new.

Do not attempt to inflate any air spring which has been collapsed while uninflated from the rebound hanging position to the jounce stop.

When installing a new air spring, care must be taken not to apply a load to the suspension until springs have been inflated using the air spring fill procedure.

After inflating an air spring in the hanging position, it must be inspected for correct shape.

Note

The vehicle must be positioned on a suitable lifting device prior to deflating the air suspension system.

With the vehicle in NEUTRAL, position on a hoist until the wheel and tire assemblies are slightly above the ground.

2.Using the scan tool, vent the air springs.

3.Remove the air spring retainer.

4.Detach the air spring from the rear axle.

5.Remove the air spring in the following sequence.

1.Disconnect the air spring solenoid electrical connector.

2.Compress the quick connect locking ring and pull out the air tube.

3.Remove the air spring.

Please double confirm the compatibility as well as the OEM number before purchasing.

Instruction is not included. Professional installation is recommended.

Frequently Asked Questions

How to prevent the damage of air springs/How to extend the service life of air springs/struts etc.?

An air strut with separable air springs

If your vehicle offers a separable air suspension (Audi Allroad A6 C5, Mercedes-Benz W164, BMW X5, etc.), you should regularly (about once a week) lift the car to the maximum position, and remove dirt with a high-pressure cleaner (keep the cleaner at a distance to the air spring about 30 cm/12 inches, otherwise water pressure can damage the air spring). The highest position may vary depending on your model and regulation options. Therefore, please test this by trying the different modes available to you (Sport, comfort, dynamic, off-road) and choose the one that sets your vehicle to the highest position. The dirt will most likely be found under the fold of the pneumatic chambers. If you find a frozen layer of bitumen on the piston guide (the part of a strut on which the air spring is installed), it is recommended to clean it as well. Whenever possible, avoid riding on fresh asphalt, as fresh bitumen mixed with sand immediately results in a build-up of abrasives on the piston and in turn contributes to accelerated wear and tear of the air spring.

A complete air suspension shock

Many cars such as Mercedes W220 or W211 are set up with a complete air strut - shock absorber and air spring visually form a complete spare part. In many cases, you can easily recognize these by the metal cups with which the air spring is tightly mounted. To best avoid any damage, we highly recommend to regularly check the condition of the dust protection seals of the air strut.

What is the difference between an air spring and an air strut?

The air spring is a part of the air strut. Some vehicles (e.g. Mercedes ML) allow you to change the air spring separately. At our online shop you have the opportunity to buy either the whole air strut or only the air spring. For some type of vehicles it is not possible to change the air spring separately. In this case the whole air strut should be replaced.

Which side of my car is the Right and Left?

The right and left sides of an automobile are determined as if sitting in the car facing forward. Thus, the left side is on the left when sitting in the car facing forward, and the right side is on the right. For American cars, the driver’s side is on the left, and the passenger sits to the right of the driver. For cars in Japan, Britain, Ireland, the Bahamas and some other former British colonies -- where they drive on the left side of the road -- the passenger sits on the left side, and the driver (along with all the driving controls) is on the right.

Includes

Pair for Rear Left & Right Air Suspension Spring Bags