ARNOTT A-2726 User Manual REV 1

A-2726

ARNOTT REAR AIR SPRING

FOR 2003-2009

MERCEDES-BENZ E-CLASS WAGON W/O ADS

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 condence in us

and our product.

Proper installation is essential to experience and appreciate the benets 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 qualied, ASE

Certied, 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

21-7078 1 ARNOTT REAR AIR SPRING

21-7079 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 [e-mail]

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A-2726

ARNOTT REAR AIR SPRING

FOR 2003-2009

MERCEDES-BENZ E-CLASS WAGON W/O ADS

GENERAL INFORMATION:

Reading this manual signies 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 qualied 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 specied

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 SPRING REMOVAL

The air spring(s) contains a solenoid valve. Once inated, only the “Mercedes DAS Star” diagnostic computer can deate
the air spring(s).

1. SET THE STEERING TO STRAIGHT AHEAD.

2. RAISE THE VEHICLE.

3. REMOVE THE REAR WHEELS. (FIGURE 1)

FIGURE 1

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ARNOTT REAR AIR SPRING

FOR 2003-2009

MERCEDES-BENZ E-CLASS WAGON W/O ADS

4. LOCATE AND REMOVE THE ELECTRICAL PLUG FROM THE AIR SPRINGS TOP MOUNT. (FIGURE 2)

FIGURE 2

5. LOCATE AND REMOVE THE AIR LINE FROM THE AIR SPRINGS TOP MOUNT. (FIGURE 3)

FIGURE 3

6. LOOSEN AND REMOVE THE LOWER SHOCK MOUNTING NUT AND BOLT. (FIGURE 4)

FIGURE 4

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ARNOTT REAR AIR SPRING

FOR 2003-2009

MERCEDES-BENZ E-CLASS WAGON W/O ADS

7. LOOSEN AND REMOVE THE REAR CONTROL ARM NUT AND BOLT. (FIGURE 5)

FIGURE 5

8. DISLOCATE THE AIR SPRING’S TOP MOUNT FROM THE VEHICLE. (FIGURE 6)

FIGURE 6

9. LOOSEN AND REMOVE THE AIR SPRING’S LOWER MOUNTING NUT AND BOLT. (FIGURE 7)

FIGURE 7

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ARNOTT REAR AIR SPRING

FOR 2003-2009

MERCEDES-BENZ E-CLASS WAGON W/O ADS

10. REMOVE FACTORY AIR SPRING FROM THE VEHICLE. (FIGURE 8)

FIGURE 8

11. REMOVE THE LOWER SWAY BAR END LINK BOLT. (FIGURE 9)

FIGURE 9

12. LOOSEN AND REMOVE THE FRONT CONTROL ARM BOLT. (FIGURE 10)

FIGURE 10

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ARNOTT REAR AIR SPRING

FOR 2003-2009

MERCEDES-BENZ E-CLASS WAGON W/O ADS

13. LOOSEN AND REMOVE UPPER CONTROL ARM BOLT. (FIGURE 11)

FIGURE 11

14. LOOSEN AND REMOVE LOWER CONTROL ARM BOLT. (FIGURE 12)

FIGURE 12

15. REMOVAL COMPLETE.

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ARNOTT REAR AIR SPRING

FOR 2003-2009

MERCEDES-BENZ E-CLASS WAGON W/O ADS

AIR SPRING INSTALLATION

Tighten all nuts and bolts to manufacturer's specications during the installation process.

Arnott Air spring(s) contain a solenoid valve. Only the “Mercedes-Benz DAS Star” diagnostic computer software can
inate the air spring(s).

1. INSTALLATION IS IN REVERSE ORDER OF AIR SPRING REMOVAL USING THE HARDWARE PROVIDED.

NOTE:

THE LOWER CONTROL ARM BOLT SLEEVE MAY NEED TO BE ADJUSTED WHEN
INSTALLING THE LOWER CONTROL ARM.

It is nesessary to have your vehicle aligned after installing this kit.

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