Page 1
P-2595
AMK OES AIR SUSPENSION COMPRESSOR
FOR 2006-2010
MERCEDES-BENZ R-CLASS (W251 CHASSIS)
Congratulations on your purchase of an Arnott® air suspension product. We at Arnott Incorporated are proud
to offer a high quality product at the industry’s most competitive pricing. Thank you for your condence in us
and our product.
Proper installation is essential to experience and appreciate the benets of this system. Please take a moment
to review these installation instructions before you begin to install these components on your vehicle. The
removal and installation of air suspension products should only be performed by a fully qualied, ASE
Certied, professional.
It is equally important to be aware of all necessary safety measures while installing your new Air Suspension
System. This includes proper lifting and immobilizing of the vehicle and isolation of any stored energy to
prevent personal injury or property damage.
"Engineered to Ride, Built to Last™"
WARNING:
and disconnect power to the air suspension system prior to disassembly. Do not allow dirt or grease to enter the system.
Always wear standard hand, ear, and eye protection when servicing the air suspension system.
The air suspension system is under pressure (up to 10 bar, or 150 lbf/in). Verify pressure has been relieved
KIT CONTAINS:
PARTS LIST
P/N QTY DESCRIPTION
21-7800 1 AMK OES AIR SUSPENSION COMPRESSOR
21-7801 1 ACCESSORY KIT
Arnott® is committed to the quality of its products. If you have a question or problem with any Arnott product,
please contact Arnott by calling 800-251-8993 during normal business hours or email techassistance@arnottinc.com
1 P-2595
REV 1 05/05/2014
Page 2
P-2595
AMK OES AIR SUSPENSION COMPRESSOR
FOR 2006-2010
MERCEDES-BENZ R-CLASS (W251 CHASSIS)
GENERAL INFORMATION:
Reading this manual signies your agreement to the terms of the general release, waiver of liability, and hold harmless agreement,
the full text of which is available at www.arnottinc.com.
• Not to be stored below 5oF (-15oC) and above 122oF (50oC).
• Avoid damage to air lines and cables.
• Removal and installation is only to be performed by fully qualied personnel.
• Use car manufacturer’s diagnostic software.
CAUTION:
in the instructions or in a different sequence.
Damage to the vehicle and air suspension system can be incurred if work is carried out in a manner other than specied
To avoid the possibility of short circuits while working with electric components consult your owner's manual on how to
disconnect your battery.
Consult your vehicle owner's manual, service manual, or car dealer for the correct jacking points on your vehicle and for
additional care, safety and maintenance instructions. Under no circumstances should any work be completed underneath
the vehicle if it is not adequately supported, as serious injuries and death can occur.
AIR SUSPENSION COMPRESSOR REMOVAL
1. SET STEERING TO STRAIGHT AHEAD.
2. LIFT VEHICLE AND REMOVE FRONT RIGHT WHEEL. (FIGURE 1)
2 P-2595
FIGURE 1
REV 1 05/05/2014
Page 3
P-2595
AMK OES AIR SUSPENSION COMPRESSOR
FOR 2006-2010
MERCEDES-BENZ R-CLASS (W251 CHASSIS)
3. REMOVE THE FASTENERS AND FRONT INNER WHEEL WELL LINER FROM THE VEHICLE TO EXPOSE
THE VEHICLE'S AIR SUSPENSION COMPRESSOR. (FIGURE 2)
FIGURE 2
4. LOCATE AND DISCONNECT THE TWO (2) ELECTRICAL CONNECTORS FROM THE COMPRESSOR. (FIGURE 3)
FIGURE 3
3 P-2595
REV 1 05/05/2014
Page 4
P-2595
AMK OES AIR SUSPENSION COMPRESSOR
FOR 2006-2010
MERCEDES-BENZ R-CLASS (W251 CHASSIS)
5. LOCATE AND SLOWLY REMOVE THE AIR LINE FROM THE COMPRESSOR. REMOVE THE AIR LINE FITTING
FROM THE AIR HOSE AND DISCARD. (FIGURE 4)
FIGURE 4
6. LOCATE THE LARGER RUBBER HOSE LEADING TO THE COMPRESSOR. PINCH AND SLIDE THE HOSE
CLAMP OFF OF THE AIR FITTING AND REMOVE THE AIR HOSE. (FIGURE 5)
FIGURE 5
4 P-2595
REV 1 05/05/2014
Page 5
P-2595
AMK OES AIR SUSPENSION COMPRESSOR
FOR 2006-2010
MERCEDES-BENZ R-CLASS (W251 CHASSIS)
7. LOCATE AND REMOVE THE THREE (3) MOUNTING NUTS TO REMOVE THE COMPRESSOR FROM THE
VEHICLE. (FIGURE 6)
FIGURE 6
8. REMOVAL COMPLETE.
AIR SUSPENSION COMPRESSOR INSTALLATION
Tighten all nuts and bolts to manufacturer's specications during the installation process.
Do not remove the air tting from the air suspension compressor. Doing so may cause damage and/or void warranty.
Remove the white shipping pin from the new air tting and insert the air line until fully seated.
1. INSTALLATION IS IN THE REVERSE ORDER OF AIR COMPRESSOR REMOVAL USING FACTORY
MOUNTING HARDWARE.
5 P-2595
REV 1 05/05/2014
Page 6
P-2595
AMK OES AIR SUSPENSION COMPRESSOR
FOR 2006-2010
MERCEDES-BENZ R-CLASS (W251 CHASSIS)
WARNING
CRACKED AIR SPRINGS MUST BE CHANGED
TO VALIDATE THE WARRANTY ON THE COMPRESSOR
PLEASE READ ADDITIONAL WARRANTY INFORMATION ON THE BACK OF YOUR INVOICE
PROPER PROCEDURE FOR ASSESSING YOUR AIR SPRINGS CONDITION:
1. TURN OFF AIR SUSPENSION SWITCH IF EQUIPPED.
2. REFER TO OWNER’S MANUAL FOR PROPER LIFTING TECHNIQUES AND JACKING POINTS.
3. RAISE THE VEHICLE.
4. INSPECT AIR SPRINGS FOR ANY TYPE OF CRACKS OR EXCESSIVE WEAR. CRACKS IN AIR
SPRINGS ARE EVIDENT IF THEY ARE LEAKING. THIS WILL CAUSE THE COMPRESSOR TO
OVERHEAT FROM CONTINUOUS OPERATION.
Arnott® is committed to the quality of its products. If you have a question or problem with any Arnott product,
please contact Arnott by calling 800-251-8993 during normal business hours or email techassistance@arnottinc.com
6 P-2595
REV 1 05/05/2014
Loading...