Arnott Installation Manuals
C-2663
ARNOTT EIBACH COIL SPRING CONVERSION KIT
2003-2009 MERCEDES-BENZ E-CLASS w/4-MATIC, WAGON w/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 confidence in us and our product.

Proper installation is essential to experience and appreciate the benefits 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 qualified, ASE Certified, 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®"

C-2663 Arnott Eibach Coil Spring Conversion Kit

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.

Arnott Industries® is committed to the quality of its products. If you have a question or problem with any Arnott product, please contact us by calling +1 321-868-3016 during normal business hours or email techassistance@arnottinc.com (In the EU please call +31 (0)73 7850 580 or email Info@arnotteurope.com).

GENERAL INFORMATION:

Reading this manual signifies 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 5°F (-15°C) or above 122°F (50°C).

Avoid damage to air lines and cables.

Removal and installation is only to be performed by fully qualified 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 specified in the instructions or in a different sequence.

WARNING: To avoid the possibility of short circuits while working with electric components consult your owner's manual on how to disconnect your battery.

WARNING: 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 the applicable wheel. (FIGURE 1)

FIGURE 1
FIGURE 1

4. Remove the air line. (FIGURE 2)

FIGURE 2
FIGURE 2

5. Disconnect the electrical connection. (FIGURE 3)

FIGURE 3
FIGURE 3

6. Remove the three top mounting nuts from the strut. (FIGURE 4)

FIGURE 4
FIGURE 4

7. Remove the wires from the wire clip on the sway bar end link. (FIGURES 5, 6)

FIGURE 5
FIGURE 5
FIGURE 6
FIGURE 6

8. Follow the wiring from the shock and disconnect at the junction. (FIGURE 7)

FIGURE 7
FIGURE 7

9. Remove the brake line isolator. (FIGURE 8)

FIGURE 8
FIGURE 8

10. Remove the sway bar end link nut. (FIGURE 9)

FIGURE 9
FIGURE 9

11. Loosen the bottom mount bolt. (FIGURE 10)

FIGURE 10
FIGURE 10

12. Remove the bottom mount bolt. (FIGURE 11)

FIGURE 11
FIGURE 11

13. Remove the control arm nut. (FIGURE 12)

FIGURE 12
FIGURE 12

14. Remove the axle bolt. (FIGURES 13, 14)

FIGURE 13
FIGURE 13
FIGURE 14
FIGURE 14

15. Remove the axle. (FIGURES 15, 16)

FIGURE 15
FIGURE 15
FIGURE 16
FIGURE 16

16. Remove the strut from the vehicle. (FIGURE 17)

FIGURE 17
FIGURE 17

17. Removal complete.

FRONT COIL STRUT INSTALLATION

WARNING: Tighten all nuts and bolts to manufacturer's specifications during the installation process.

1. Install the strut into the vehicle. (FIGURE 18)

FIGURE 18
FIGURE 18

2. Reinstall the axle. (FIGURES 19, 20)

FIGURE 19
FIGURE 19
FIGURE 20
FIGURE 20

3. Reattach the control arm to the spindle assembly and tighten to manufacturer’s specifications. (FIGURES 21, 22)

FIGURE 21
FIGURE 21
FIGURE 22
FIGURE 22

4. Reinstall the upper sway bar end link to the spindle and tighten to manufacturer’s specifications. (FIGURES 23, 24)

FIGURE 23
FIGURE 23
FIGURE 24
FIGURE 24

5. Reinstall the axle bolt and tighten to manufacturer’s specifications. (FIGURE 25)

FIGURE 25
FIGURE 25

6. Reinstall the bottom mount bolt and tighten to manufacturer’s specifications. (FIGURE 26)

FIGURE 26
FIGURE 26

7. Reinstall the brake line isolator. (FIGURE 27)

FIGURE 27
FIGURE 27

8. Reattach the wires to the wire clip on the sway bar end link. (FIGURE 28, 29)

FIGURE 28
FIGURE 28
FIGURE 29
FIGURE 29

9. Install the three top mounting nuts to the top of the strut and tighten to manufacturer’s specifications. (FIGURE 30)

FIGURE 30
FIGURE 30

10. Reinstall the wheel. (FIGURE 31)

FIGURE 31
FIGURE 31

11. Installation complete.

REAR SHOCK AND AIR SPRING REMOVAL

1. Prior to raising vehicle, remove applicable rear side compartment trim to gain access to shock tower. (FIGURE 32)

FIGURE 32
FIGURE 32

2. Remove wheel. (FIGURE 33)

FIGURE 33
FIGURE 33

3. Deflate air spring using a system diagnostic tool.

4. If applicable, use OEM tool and remove the top nut of shock. (FIGURES 34, 35)

FIGURE 34
FIGURE 34
FIGURE 35
FIGURE 35

5. Remove bottom shock nut/bolt. (FIGURE 36)

FIGURE 36
FIGURE 36

6. Compress shock and remove from vehicle. (FIGURES 37, 38)

FIGURE 37
FIGURE 37
FIGURE 38
FIGURE 38

7. Locate and remove the electrical plug from the air springs top mount. (FIGURE 39)

FIGURE 39
FIGURE 39

8. Locate and remove the air line from the air springs top mount. (FIGURES 40, 41)

FIGURE 40
FIGURE 40
FIGURE 41
FIGURE 41

9. Loosen and remove the rear control arm nut and bolt. (FIGURE 42)

FIGURE 42
FIGURE 42

10. Dislocate the air spring’s top mount from the vehicle. (FIGURE 43)

FIGURE 43
FIGURE 43

11. Loosen and remove the air spring’s lower mounting nut and bolt. (FIGURE 44)

FIGURE 44
FIGURE 44

12. Remove factory air spring from the vehicle by disconnecting the factory rubber hose leading from the air spring to the air spring’s reservoir. Secure the hose in a suitable location away from any moving parts or components with excessive heat. (FIGURE 45)

FIGURE 45
FIGURE 45

13. Removal complete.

REAR COIL AND SHOCK INSTALLATION

WARNING: Tighten all nuts and bolts to manufacturer's specifications during the installation process.

1. Install the new shocks into the top mounts and secure. (FIGURE 46)

FIGURE 46
FIGURE 46

2. Remove old top mount clips and replace with the ones provided in the kit. (FIGURES 47, 48)

FIGURE 47
FIGURE 47
FIGURE 48
FIGURE 48

3. Install the upper spring seats onto the new clips. (FIGURES 49, 50)

FIGURE 49
FIGURE 49
FIGURE 50
FIGURE 50

4. Install the lower spring perches into the lower control arms, and secure. (FIGURES 51, 52)

NOTE:  PAY SPECIAL ATTENTION TO THE "FACING WHEEL" LABEL ON THE PERCHES TO ORIENT THEM PROPERLY WITHIN THE LOWER CONTROL ARMS.


FIGURE 51
FIGURE 51
FIGURE 52
FIGURE 52

5. Loosen and remove the lower sway bar end link bolt. (FIGURES 53, 54)

FIGURE 53
FIGURE 53
FIGURE 54
FIGURE 54

6. Loosen and remove rear trailing arm bolt. (FIGURES 55, 56)

FIGURE 55
FIGURE 55
FIGURE 56
FIGURE 56

7. Loosen and remove the front trailing arm bolt. (FIGURES 57, 58)

FIGURE 57
FIGURE 57
FIGURE 58
FIGURE 58

8. Loosen and remove the upper control arm bolt from the spindle assembly. (FIGURE 59)

FIGURE 59
FIGURE 59

9. Loosen and remove lower control arm bolt. (FIGURES 60, 61)

FIGURE 60
FIGURE 60
FIGURE 61
FIGURE 61

10. Pull down on lower control arm and install the spring into the top spring seat. (FIGURE 62)

FIGURE 62
FIGURE 62

11. Slide the spring over the hump of the lower spring perch. (FIGURE 63)

FIGURE 63
FIGURE 63

12. Using a stand or jack, raise the lower control arm to compress the spring and install the lower shock bolt to hold in place. (FIGURES 64, 65)

FIGURE 64
FIGURE 64
FIGURE 65
FIGURE 65

NOTE:  THE LOWER CONTROL ARM BOLT SLEEVE MAY NEED TO BE ADJUSTED WHEN REINSTALLING THE LOWER CONTROL ARM.


LOWER CONTROL ARM BOLT SLEEVE

13. Reinstall and tighten the lower control arm bolt. (FIGURES 66, 67)

FIGURE 66
FIGURE 66
FIGURE 67
FIGURE 67

14. Reinstall and tighten the upper control arm bolt from the spindle assembly. (FIGURE 68)

FIGURE 68
FIGURE 68

15. Reinstall and tighten the front trailing arm bolt. (FIGURES 69, 70)

FIGURE 69
FIGURE 69
FIGURE 70
FIGURE 70

16. Reinstall and tighten the rear trailing arm bolt. (FIGURES 71, 72)

FIGURE 69
FIGURE 69
FIGURE 70
FIGURE 70

17. Reinstall and tighten the lower sway bar end link bolt. (FIGURES 73, 74)

FIGURE 73
FIGURE 73
FIGURE 74
FIGURE 74

18. Installation of rear springs and shocks complete.

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


ELECTRONIC BYPASS MODULE INSTALLATION

1. Begin by removing the front passenger side floor mat. (FIGURE 75)

FIGURE 75
FIGURE 75

2. Pull back the kick panel and remove the foam insulation beneath. (FIGURES 76, 77)

FIGURE 76
FIGURE 76
FIGURE 77
FIGURE 77

3. Locate and remove the three nuts holding the metal shield. (FIGURE 78)

FIGURE 78
FIGURE 78

4. Remove the metal shield and rest it on the floor to expose the vehicles air suspension control module. (FIGURE 79)

FIGURE 79
FIGURE 79

5. Locate the vehicles air suspension control module mounted on the metal shield. Disconnect all three (two large and one small) plugs connected to the side. (FIGURES 80, 81)

FIGURE 80
FIGURE 80
FIGURE 81
FIGURE 81

6. Locate a suitable ground and install the black wire from the electronic bypass modules wiring harness. (FIGURES 82, 83)

FIGURE 82
FIGURE 82
FIGURE 83
FIGURE 83

7. Locate the positive 12 volt power source and install the red wire from the electronic bypass modules wiring harness. (FIGURES 84, 85, 86)

FIGURE 84
FIGURE 84
FIGURE 85
FIGURE 85

FIGURE 86
FIGURE 86

8. Locate the small, two wire plug from the vehicles wiring harness and plug it into the electronic bypass modules wiring harness. (FIGURE 87)

FIGURE 87
FIGURE 87

9. Plug the new wiring harness into the electronic bypass module. (FIGURE 88)

FIGURE 88
FIGURE 88

10. Secure the electronic bypass module in a suitable location and reinstall all panels in reverse order of which they were disassembled. (FIGURE 89)

FIGURE 89
FIGURE 89

11. Electronic bypass module installation complete.

NOTE:  DO NOT PLUG THE FACTORY WIRING HARNESS BACK INTO THE VEHICLES AIR SUSPENSION CONTROL MODULE.



C-2663 REV 2 08/09/2019