Operation CHARM: Car repair manuals for everyone.

Procedures A through H

A. Installation preparation

1. Read these installation instructions in their entirety before proceeding.

2. Unpack and compare the installation kit contents against the Parts Information list - Section J, parts.

3. Remove the trunk lid paneling.

^ Refer to WIS document AR68.30-P-8150TX, Remove/install trunk lid paneling"

4. Remove the right side paneling in the trunk.

^ Refer to WIS document AR68.30-P-4800TX, Remove/install side paneling in trunk"





5. Remove the vapor barrier (A, Figure 1) in the trunk by lifting it out.

6. Remove the carrier plate cover (B, Figure 1) in the trunk.

a. Unscrew the two bolts (C, Figure 1) at the rear.

b. Release the latches (D, Figure 1) at the front with a flathead screwdriver.

7. Cover the trunk floor to catch metal debris from drilling.

B. Drilling the hole for the 1st generation SDARS antenna and installing and connecting the antenna





1. Tape off-with masking tape (approximately 8" x 8") - the area on the trunk lid exterior (Figure 2) where the antenna will mount.





2. Insert the plastic drilling template (Figure 3) into the hole in the raised panel in the center of the trunk lid underside.

3. Drill a 3 mm diameter pilot hole in the trunk lid using the drilling template center as the bit guide.

CAUTION
Drilling metal can cause airborne metal debris. Airborne metal debris can cause serious injury to the eyes. Wear protective eyewear.

NOTICE!
Improper or careless drilling can damage metal surfaces. Paint or body damage to the roof can result. Exercise care and accuracy when drilling.

4. Drill the 3 mm pilot hole to an enlarged 6 mm diameter pilot hole.

5. Drill the 6 mm pilot hole to a 20 mm diameter hole using a UniBit(R).

NOTICE!
Using a hole saw is not suitable for drilling the 20 mm diameter hole in the trunk lid. Using a hole saw will damage the trunk lid. Do not use a hole saw to drill the trunk lid.

6. Remove the burrs around the hole edge, and then carefully clean away the metal debris from the trunk lid.

7. Remove the tape from the trunk lid and the cover with metal debris from the trunk floor.

8. Thoroughly coat the 20 mm diameter hole edge with primer and allow it to dry according to manufacturer recommended drying time.





9. Peel off the protective backing (Inset, Figure 4) from the adhesive side of the "thicker" plastic washer.

10. From the trunk lid underside, affix the adhesive side of the washer (A, Figure 4) around the 20 mm hole.

Note:
Seat the washer so the top of the inside lip is flush or protruding, never recessed, from the top of the trunk lid.





11. Loosen the T25 Torx screw (Figure 5) in the antenna sleeve.

12. Feed the antenna leads from the top side of the trunk lid, through the affixed washer (A, Figure 4).

13. Carefully insert the antenna sleeve (B, Figure 4) into the washer (A, Figure 4) until it audibly engages.

Note:
Hold the washer from beneath while inserting the antenna sleeve to prevent it from pushing out of the trunk lid. (Hint: Use a 22 mm deep socket to hold the washer in place.)

NOTICE!
Applying force to body panels can result in damage. Excessive force will dent the trunk lid. Do not use excessive force when inserting the antenna sleeve into the washer.





14. Align the antenna straight with the vertical end (A, Figure 6) facing the vehicle front and the beveled end (B, Figure 6) the vehicle rear.

15. Apply light downward pressure to the antenna so the gasket fully seats flush against the trunk lid.

NOTICE!
Applying force to body panels can result in damage. Excessive force will dent the trunk lid. Do not use excessive force when seating the gasket to the trunk lid.





16. Tighten, but do not over tighten, the T25 Torx screw (Arrow, Figure 5) in the antenna sleeve while holding the antenna from above to keep it from turning.





17. Find the preinstalled antenna leads (Figure 7) taped to the trunk lid underside inside the panel opening at center, rear.





18. Feed the SDARS antenna leads (A, Figure 8) through the opening center, rear in the trunk lid underside.

19. Disconnect the preinstalled antenna leads from one another (B, Figure 8).

20. Connect the SDARS antenna leads (A, Figure 8) to preinstalled antenna leads (B, Figure 8).

Note:
Make sure the connectors lock into the plastic connector locks.





21. Secure the coupled antenna connectors and loose cabling with felt tape (Figure 9) to the trunk lid underside inside the panel opening at center, rear.

C. Drilling the hole for the 2nd generation SDARS antenna and installing and connecting the antenna





1. Tape off-with masking tape (approximately 8" X 8" the area on the trunk lid exterior (Figure 10) where the antenna will mount.





2. Insert the plastic drilling template (Figure 11) into the hole in the raised panel in the center of the trunk lid underside.

3. Drill a 3 mm diameter pilot hole in the trunk lid using the drilling template center as the bit guide.

CAUTION
Drilling metal can cause airborne metal debris. Airborne metal debris can cause serious injury to the eyes. Wear protective eyewear.

NOTICE!
Improper or careless drilling can damage metal surfaces. Paint or body damage to the roof can result. Exercise care and accuracy when drilling.

4. Drill the 3 mm pilot hole to an enlarged 6 mm diameter pilot hole.

5. Drill the 6 mm pilot hole to a 14 mm diameter hole using a UniBit(R).

NOTICE!
Using a hole saw is not suitable for drilling the 14 mm diameter hole in the trunk lid.

^ Using a hole saw will damage the trunk lid.

^ Do not use a hole saw to drill the trunk lid.

6. Remove the burrs around the hole edge, and then carefully clean away the metal debris from the trunk lid.

7. Remove the tape from the trunk lid and the cover with metal debris from the trunk floor.

8. Thoroughly coat the 14 mm diameter hole edge with primer and allow it to dry according to manufacturer recommended drying time.

NOTICE!
The 2 generation antenna will not perform optimally with the plastic washer. Poor radio reception will result from using the plastic washer. Use the kit-included metal (copper) washer for grounding to upgrade a 1st generation to the 2nd generation antenna.





9. Loosen the T25 Torx screw (A, Figure 12) in the antenna sleeve.

10. Feed the antenna lead (B, Figure 12), from the top side of the trunk lid, through the 14 mm hole.

11. Carefully insert the antenna sleeve (A, Figure 12) into the 14 mm hole until it audibly engages.

NOTICE!
Applying force to body panels can result in damage. Excessive force will dent the trunk lid. Do not use excessive force when inserting the antenna sleeve into the washer.





12. Find the preinstalled antenna leads (Figure 13) taped to the trunk lid underside inside the panel opening at center, rear.





13. Peel back the tape to expose the coupled, preinstalled antenna connectors and disconnect (A, Figure 14) them from one another.

14. Feed the SDARS antenna lead (B, Figure 14) through the opening center, rear in the trunk lid underside.





15. Align the antenna straight with the vertical end (A, Figure 15) facing the vehicle front and the beveled end (B, Figure 15) the vehicle rear.

16. Apply light downward pressure to the antenna so the gasket fully seats flush against the trunk lid.

NOTICE!
Applying force to body panels can result in damage. Excessive force will dent the trunk lid. Do not use excessive force when seating the gasket to the trunk lid.

17. Tighten, but do not over tighten, the T25 Torx screw (A, Figure 12) in the antenna sleeve while holding the antenna from above to keep it from turning.





18. Connect the male antenna connector (A, Figure 16) of the SDARS antenna to the female preinstalled antenna connector (B, Figure 16).

Note:
Make sure the connector locks into the plastic connector lock.

Note:
There is no use for the male preinstalled antenna lead (C, Figure 16) with the 2nd generation antenna.





19. Secure the coupled antenna connectors, unused antenna lead, and loose cabling with felt tape (Figure 17) to the trunk lid underside inside the panel opening at center, rear.

D. Mounting the SDARS control module to the bracket, installing the bracket assembly, and connecting the SDARS control module (1st generation control module with 1st generation antenna)





1. Find the 1st generation SDARS control module-identified by two antenna lead jacks (Figure 18)-in the kit.





2. Mount the SDARS control module to the bracket with three MS hex nuts included in the kit (Figure 19).

^ If the vehicle is equipped with level control, proceed to step 3

^ If the vehicle is not level control equipped, skip to step 5





3. Remove the air reservoir bracket assembly by removing the four bolts (Arrows, Figure 20) securing the bracket.

4. Without disconnecting the air line (A, Figure 20), carefully set aside the air reservoir bracket assembly to allow access to the exposed right side of the trunk.





5. Carefully cut the wire ties (Arrows, Figure 21) and unclip the wire anchor (A, Figure 21) securing the wiring harness to the wheel well on the exposed right side of the trunk.

6. Remove the nut (B, Figure 21) and ground cable from the treaded stud on the upper body reinforcement rib, rear of the wheel well.

Note:
Save the nut aside for later use.

7. Fold back the foam sleeves to expose the connectors, and identify the:





^ Antenna connectors (A, Figure 22)

^ MOST/power supply connector (B, Figure 22)





8. Unscrew and remove the wire tie anchor (Figure 23) from the lower mounting stud for the bracket assembly.

9. Mount the SDARS control module bracket assembly:





a. Place the rear, longer arm of the bracket behind the lower body reinforcement rib (A, Figure 24).

b. Mount the lower arm of the bracket to the threaded stud (B, Figure 24) on the trunk floor.

c. Mount the upper arm of the bracket to the treaded stud (C, Figure 24) on the upper body reinforcement rib, adjacent the wheel well.





d. Install the ground cable (A, Figure 25) on the threaded stud holding the upper arm of the bracket and use the previously removed nut (Arrow, Figure 25) to fasten them.





e. Use the kit-included plastic nut to fasten the lower arm of the bracket to the threaded stud (Figure 26) on the trunk floor.





f. Use the kit-included Torx bolt (Figure 27) to fasten the rear, longer arm of the bracket to the lower body reinforcement rib.

^ Proceed to step 10 for Model 219.376 (CLS 55 AMG)

^ Skip to step 14 for Model 219.375 (CLS 500)

10. At the wheel well on the exposed right side of the trunk, locate and remove the fuse and relay module for the air injection and fuel pump by removing the two plastic nuts securing it.





11. Install the plastic edge guard (Arrows, Figure 28) over the edge running along the wheel well.

12. Mount the fuse and relay module (A, Figure 28) for the air injection and fuel pump to the bracket for the SDARS control module with the two previously removed plastic nuts.





13. Position the ground cable on the front side (Figure 29) of the fuse and relay module for the air injection and fuel pump.





14. Connect the SDARS antenna leads (A, Figure 30) to the like color-jacks on the SDARS control module.

15. Connect the power supply/MOST connector (B, Figure 30) to the SDARS control module.





16. Insert the anchor (Figure 31) of the kit - included anchored wire tie into the predrilled hole in the lower arm of the bracket.

17. Secure loose cabling to the lower bracket arm with the anchored wire tie (Figure 31) included in the kit.





18. If the vehicle is level control equipped, reinstall the air reservoir bracket assembly with the four previously removed bolts (Figure 32).

E. Connecting the 1st generation SDARS control module with the 2nd generation SDARS antenna)





1. Identify the SDARS splitter (Figure 33) in the kit.





2. Connect the blue antenna connector of the preinstalled antenna leads on the exposed right side of the trunk to the SDARS splitter jack (Figure 34).





3. Peel off the protective backing from the adhesive side of the SDARS splitter and affix it to the face of the bracket for the SDARS control module (Figure 35).

4. Connect the SDARS splitter leads to the like color-jacks on the SDARS control module (A, Figure 35).

F. Configuring the MOST optical fiber ring





1. In the electronics compartment exposed by the removed carrier plate cover, find the MOST optical fiber couplings (Figure 36).





2. Configure the MOST optical fiber ring (Figure 36) according to Figure 37.





G. Version coding

H. MOST ring configuration as shown above in G. version coding.

I. Final assembly and function testing

1. Verify proper satellite radio operation:

^ Audio is functional (radio and CD changer)

^ Satellite radio display is present on the head unit

^ SIRIUS preview message is heard when "Satellite Function" is selected on the head unit (The vehicle must be in a geographic area that allows reception.)

2. Reinstall the carrier plate cover (B, Figure 1) in the trunk with the two previously removed bolts and latch the front.

3. Reinstall the vapor barrier (A, Figure 1).

4. Reinstall the trunk left side paneling.

^ Refer to WIS document AR68.30-P-4800TX, Remove/install side paneling in trunk"

5. Reinstall the trunk lid paneling.

^ Refer to WIS document AR68.30-P-8150TX, Remove/install trunk lid paneling"