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Air Suspension Compressor Installation Guide DIY How To Repair

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Having problems with the air suspension on your Mercedes-Benz? This installation guide will help you change your failed air compressor on any Mercedes-Benz with AirMatic or ABC suspension. Changing the air compressor pump on a Mercedes-Benz is not difficult. For this repair you will a replacement airmatic air compressor.

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RECOMMENDED TOOLS

A toolbox with your standard sockets, screwdrivers and pliers should be all you need to complete this job. It will be helpful if you have an anti-seize spray to help remove the bolts. Here is list of tools you should have to complete this job. Clicking on any of the links will show you related tools on Amazon.

 

PARTS REQUIRED

A new unit can be purchased on Amazon for $300-$400 USD, links provided below. You could also buy a used suspension air compressor pump  for around $100-$200, see link below.

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Search for NEW & USED Mercedes-Benz Air Suspension Compressor Pumpnew_used_mercedes_benz_air_suspension_compressor_pump

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How to remove and install air compressor unit.
Do It Yourself Instructions with Photos

 

STEP 1

Remove black plastic panel under the engine. There may be as many as 3 panels under the car. You need to remove the first panel, right after the front bumper. Once you remove the panel you will see the air compressor right behind the front bumper, underneath the headlight on the passenger side. For demonstration purposes, we are showing pictures with bumper removed. You do not need to remove the front bumper.

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STEP 2

Remove the plastic air line that goes into the air compressor. Using a 10 mm wrench, turn the bolt counterclockwise. Once the bolt is loose, pull out the air line. There is a small rubber gasket on the metal connector at the end of the threads, make sure not to damage it. MERCEDES-BENZ_air_matic_air_compresor_repair_how_to_replace_09

STEP 3

Unplug two electrical connectors that go to the air compressor. MERCEDES-BENZ_air_matic_air_compresor_repair_how_to_replace_07MERCEDES-BENZ_air_matic_air_compresor_repair_how_to_replace_06STEP 4

Remove three nuts that hold the air compressor in place using a 10 mm wrench. You may want to spray some anti-seize such as WD-40 on the nuts before you remove them. The bolts can easily break if they are rusted.
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STEP 5

Remove the hose that connect to the intake air filter. Using your pliers slide the clamp over then pull on the rubber hose. MERCEDES-BENZ_air_matic_air_compresor_repair_how_to_replace_26

STEP 6

Remove the air compressor unit. MERCEDES-BENZ_air_matic_air_compresor_repair_how_to_replace_15

STEP 7

Install new compressor. Assemble in reverse order.

Where to buy Air Suspension Compressor? Check out the links below.

Related Articles

Arnott Industries has also put a nice guide on how to install and change the AirMatic air compressor unit on a Mercedes-Benz. The manual can be accessed here, or if you would like the pdf version you can download it below.

Arnott Air Suspension Compressor Instructions

How to install Air Suspension Compressor Videos

Mercedes-Benz Arnott Air Suspension Compressor Installation

Airmatic Testing Air compressor and fixing notes

S CL Class  MERCEDES-BENZ  W220

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E-Class MERCEDES-BENZ E-CLASS W211

  • 2002
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  • 2009

CLS-Class  MERCEDES-BENZ CLS-CLASS W219

  • 2005
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Applicable Models

CLS550  CLS63 AMG         E320       E350       E550       E63 AMG             CLS500  CLS55 AMG         E500       Base Sedan 4-Door          S430                S500       S600 R350 R500       E55 AMG MAYBACH   57S & 62S

Related Part Numbers

A 211 320 03 04 ; A211 320 0304 ; A2113200304 211 320 0304 ; 211 320 03 04 ; 2113200304 A 211 320 0304 A 211 320 0304 002 542 76 19, 002 542 7219 A 211 320 03 04 ; A211 320 0304 ; 0025427619 203200104 2113200304 78-10038 ON , 221 320 0704 , 221 320 16 04 , 221 320 1604 , 221 320 17 04 , 2213200704 , 2213201604 , 2213201704 , 221320170488 , A221 320 0704 , A221 320 1604 , A221 320 1704 , A2213200704 , A2213201604 , A2213201704

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