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AS-2304
ARNOTT REMANUFACTURED FRONT LEFT
AIR STRUT FOR 2003-2006
MERCEDES-BENZ S-CLASS (W220 CHASSIS)
W/O ABC, W/4MATIC
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 protective 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
21-4299 1 ARNOTT REMANUFACTURED FRONT LEFT AIR STRUT
21-7277 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
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AS-2304 REV 4 02/10/2014
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AS-2304
ARNOTT REMANUFACTURED FRONT LEFT
AIR STRUT FOR 2003-2006
MERCEDES-BENZ S-CLASS (W220 CHASSIS)
W/O ABC, W/4MATIC
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 STRUT REMOVAL
1. SET STEERING TO STRAIGHT AHEAD.
2. RAISE THE VEHICLE.
3. REMOVE FRONT WHEEL.
4. DISCONNECT THE SHOCK CONTROL CABLE CONNECTOR LOCATED IN THE FENDER WELL. (FIGURE A)
FIGURE A
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AS-2304
ARNOTT REMANUFACTURED FRONT LEFT
AIR STRUT FOR 2003-2006
MERCEDES-BENZ S-CLASS (W220 CHASSIS)
W/O ABC, W/4MATIC
5. LOOSEN AND REMOVE THE TWO (2) BOLTS HOLDING THE BOTTOM OF THE AIR STRUT TO THE LOWER BRACKET.
6. RAISE HOOD AND DISCONNECT THE AIR SUPPLY LINE TO THE SHOCK ASSEMBLY. (FIGURE B)
FIGURE B
7. REMOVE THE THREE (3) NUTS HOLDING THE TOP MOUNT OF THE SHOCK. (FIGURE C)
FIGURE C
8. SEPARATE UPPER CONTROL ARM BALL JOINT FROM THE SPINDLE ASSEMBLY AND REMOVE THE AIR STRUT.
(FIGURE D)
FIGURE D
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AS-2304
ARNOTT REMANUFACTURED FRONT LEFT
AIR STRUT FOR 2003-2006
MERCEDES-BENZ S-CLASS (W220 CHASSIS)
W/O ABC, W/4MATIC
9. REMOVAL COMPLETE.
AIR STRUT INSTALLATION
Tighten all nuts and bolts to manufacturer's specications during the installation process.
1. INSTALLATION IS IN REVERSE ORDER OF AIR STRUT REMOVAL.
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AS-2304 REV 4 02/10/2014
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