Arnott C-2242 User manual

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C-2242
C-2242
ARNOTT COIL SPRING CONVERSION KIT
FOR 1999-2006
MERCEDES-BENZ S-CLASS (W220 CHASSIS)
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].
WARNING:
The air suspension system is under pressure (up to 10 bar, or 150 lbf/in). Verify pressure has been relieved
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.
KIT CONTAINS:
PARTS LIST
P/N QTY DESCRIPTION
21-4410 1 ARNOTT FRONT COIL SPRING CONVERSION
21-4401 1 ARNOTT REAR COIL SPRING CONVERSION
21-4634 1 ACCESSORY KIT
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®"

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ARNOTT COIL SPRING CONVERSION KIT
FOR 1999-2006
MERCEDES-BENZ S-CLASS (W220 CHASSIS)
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) or 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: Damage to the vehicle and air suspension system can be incurred if work is carried out in a manner other than specied
in the instructions or in a different sequence.
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.
FRONT 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 10-1)
FIGURE 10-1

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ARNOTT COIL SPRING CONVERSION KIT
FOR 1999-2006
MERCEDES-BENZ S-CLASS (W220 CHASSIS)
7. REMOVE THE THREE (3) NUTS HOLDING THE TOP MOUNT OF THE SHOCK. (FIGURE 10-4)
5. LOOSEN THE TWO (2) SET SCREWS (180 DEGREES APART) LOCATED ON THE BOTTOM OF THE SHOCK ASSEMBLY.
(FIGURE 10-2)
6. RAISE HOOD AND DISCONNECT THE AIR SUPPLY LINE TO THE SHOCK ASSEMBLY. (FIGURE 10-3)
FIGURE 10-4
FIGURE 10-2
FIGURE 10-3

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ARNOTT COIL SPRING CONVERSION KIT
FOR 1999-2006
MERCEDES-BENZ S-CLASS (W220 CHASSIS)
9. REMOVAL COMPLETE.
FRONT COIL STRUT INSTALLATION
1. INSTALLATION IS IN REVERSE ORDER OF FRONT AIR STRUT REMOVAL.
Tighten all nuts and bolts to manufacturer's specications during the installation process.
8. SEPARATE UPPER CONTROL ARM BALL JOINT FROM THE SPINDLE ASSEMBLY AND REMOVE THE AIR STRUT.
(FIGURE 10-5)
FIGURE 10-5
REAR AIR STRUT REMOVAL
1. REMOVE REAR WHEEL.
2. REMOVE THE SIDE COVER OF THE REAR DASH PANELTO EXPOSE THE TOP OF THE AIR SHOCK (LOCATED IN
THE REAR WINDOW AREA). (FIGURE 20-1)
FIGURE 20-1

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ARNOTT COIL SPRING CONVERSION KIT
FOR 1999-2006
MERCEDES-BENZ S-CLASS (W220 CHASSIS)
3. DISCONNECTTHE AIRLINE AND REMOVE THE 3 MOUNTING NUTS FROMTHETOP OFTHE AIR SHOCK. (FIGURE 20-2)
4. REMOVE RUBBER BOOT AND DISCONNECT ELECTRICAL CONNECTOR LEADINGTOTHE SHOCK DAMPER
SOLENOID. (FIGURE 20-3).
5. REMOVETHE BREAK CALIPER RETAINING CLIP. (FIGURE 20-4)
FIGURE 20-2
FIGURE 20-4
FIGURE 20-3

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ARNOTT COIL SPRING CONVERSION KIT
FOR 1999-2006
MERCEDES-BENZ S-CLASS (W220 CHASSIS)
6. LOOSENTHETWO (2) BOLTS ONTHE BACKSIDE OFTHE CALIPER. (FIGURE 20-5)
7. DISCONNECTTHE SENSOR CONNECTOR AND REMOVETHE SENSOR BRACKET. (FIGURE 20-6)
8. SECURETHE CALIPER. (FIGURE 20-7)
FIGURE 20-5
FIGURE 20-7
FIGURE 20-6

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ARNOTT COIL SPRING CONVERSION KIT
FOR 1999-2006
MERCEDES-BENZ S-CLASS (W220 CHASSIS)
9. DISASSEMBLE THE OUTER SUSPENSION ARM. (FIGURE 20-8)
11. REMOVETHE BOLT AND NUT CONNECTINGTHE SHOCK ASSEMBLYTOTHE SUSPENSION ARM. (FIGURE 20-10)
10. DISASSEMBLE THE STABILIZER BAR LINK. (FIGURE 20-9)
FIGURE 20-8
FIGURE 20-10
FIGURE 20-9

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ARNOTT COIL SPRING CONVERSION KIT
FOR 1999-2006
MERCEDES-BENZ S-CLASS (W220 CHASSIS)
12. LOOSENTHE LOWER CONTROL BOLT SLIGHTLY (THIS WILL ALLOWTHE LOWER CONTROL ARMTO SWING
DOWN. (FIGURE 20-11)
13. REMOVE SHOCK ASSEMBLY FROM CAR. (FIGURE 20-12)
14. REMOVAL COMPLETE.
FIGURE 20-11
FIGURE 20-12
REAR COIL STRUT INSTALLATION
1. INSTALLATION IS IN REVERSE ORDER OF REAR AIR STRUT REMOVAL.
Tighten all nuts and bolts to manufacturer's specications during the installation process.

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ARNOTT COIL SPRING CONVERSION KIT
FOR 1999-2006
MERCEDES-BENZ S-CLASS (W220 CHASSIS)
ELECTRONIC BYPASS MODULE INSTALLATION
1. LOCATETHE N51 CONTROL MODULE (LOCATED INTHE LEFT SIDE FUSE BOX) VERIFYTHAT IT READS
“TEMIC”. (FIGURE 1A)
FIGURE 1A
3. CONNECT LIGHT BLUE CONNECTOR FROM ELECTRONIC BYPASS MODULETOTHE WIRE HARNESS SIDE OF
THE VEHICLE N-51 CAN-BUS 2 PIN CONNECTOR. (FIGURE 1C)
2. AFTER VERIFYING COMPUTER, DISCONNECT ALL THREE (3) MULTI-PIN CONNECTORS PERMANENTLY. (FIGURE 1B)
FIGURE 1C
FIGURE 1B

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ARNOTT COIL SPRING CONVERSION KIT
FOR 1999-2006
MERCEDES-BENZ S-CLASS (W220 CHASSIS)
4. RUNTHE GROUND WIRE FROMTHE ELECTRONIC BYPASS MODULETOTHE NEAREST VEHICLE GROUND
TERMINAL. (FIGURE 1D)
5. LOCATE AN OPEN POWERTERMINAL INTHE FUSE PANEL, INSTALLTHE FUSE HOLDER (12+ V). (FIGURE 1E)
6. RE-INSTALL FUSE BOX COVER. (FIGURE 1F)
FIGURE 1E
FIGURE 1D
FIGURE 1F
7. INSTALLATION COMPLETE.