AS-2604
ARNOTT REMANUFACTURED REAR LEFT AIR STRUT
FOR 2007-2013 MERCEDES-BENZ S-CLASS (W221)
FOR 2007-2014 MERCEDES-BENZ CL-CLASS (C216)
w/AIRM & ADS, w-w/o 4MATIC
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.
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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.
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.
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.
1. Set steering to straight ahead.
2. Lift vehicle and remove rear right wheel. (FIGURE 1)
3. Remove the brake caliper clip. (FIGURE 2)
4. Remove the two (2) bolts holding the brake caliper. Remove the brake caliper and suspend to prevent damage to brake lines. (FIGURES 3, 4)
5. Remove the fasteners and inner wheel liner to expose the rear air strut’s wiring block. (FIGURES 5, 6)
6. Remove the metal clip and plug for the rear air strut’s dampening coil. (FIGURES 7, 8)
7. Remove the lower sway bar end link nut and separate. (FIGURE 9)
8. Remove the lower air strut mounting nut. (FIGURE 10)
9. Remove the lower control arm nut. (FIGURE 11)
10. Remove the rear dash cover from inside of the vehicle. (FIGURE 12)
11. Pull back the foam insulation to expose the air strut top mount. (FIGURE 13)
12. Remove the air line. (FIGURES 14, 15)
13. Remove the three (3) top mounting nuts. (FIGURE 16)
14. Remove the lower control arm bolt and the lower air strut mounting bolt. (FIGURE 17)
15. Pull down on the lower control arm and remove the air strut from the vehicle. (FIGURE 18)
Tighten all nuts and bolts to manufacturer's specifications during the installation process.
1. Installation is in the reverse order of air strut removal.