CompuSTAR FT-MB221-DC Installation Manual

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Page 1

Data Controller (DC) Remote Start for Mercedes

www.compustar.com

888.820.3690

2007 - 2012 CL and S Class

FT-MB221-DC Installation Guide

Welcome to the installation guide for the 2007 - 2012 CL and S Class Mercedes Benz. Please review this manual before installation as there are details that are essential to operation of the vehicle. Please don’t forget to review the installation manual included with the DC unit.

This manual is intended for experienced installers. Firstech recommends professional installation as we are not responsible for improper use and/or installation. For questions please call 888-820-3690 Monday through Friday 8 am to 5 pm PST.

Required Parts and Tools

T-25 Torx Driver• Panel Removal Tool• Drill• 3/4” Drill Bit•

DC Control Module

Page 2

Data Controller (DC) Remote Start for Mercedes

www.compustar.com

888.820.3690

2007 - 2012 CL and S Class

FT-MB221-DC Installation Guide

Instructions for CL Class

1. Open the cup holder in the center console and remove the two rubber stoppers by pulling them straight up. A pick tool may help you get it started.

2. Remove (2) T-20 Torx screws from below the stoppers.

3. Pull the cup holder straight up and set it aside.

4. Slide the ashtray toward the back of the car so you can tilt it up slightly.

5. Remove the power connector from the lighter socket and remove the ashtray from the console and set it aside.

6. Using a panel tool, pry up on the vent above the clock to remove it from the cluster bezel.

7. Remove (1) T-25 from under the vent you removed in step 6.

8. Lay a towel or protective mat over the console to give you a place to set the HVAC panel once it’s removed.

9. Gently pry around the edges of the HVAC bezel to loosen the clips.

10. At the very bottom of the HVAC bezel is a steel bracket that is hooked around a piece of plastic. Reach under the bottom edge and push up on the plastic while pulling down on the steel bracket to allow them to separate and release the lower edge of the HVAC panel.

11. Lay the panel face down on your protective mat and disconnect all the connectors. Set the HVAC panel aside.

12. Remove (4) T-20 screws from the changer, remove the changer from the dash, unplug all the plugs and set it aside.

13. Reaching through the changer cavity, unplug the 2 plugs from the rear of the EIS, starting with the black plug which is on the bottom.

14. Follow steps 1-3 of the S Class manual to remove the driver’s under dash panel.

15. Route the harness from the changer cavity to the driver’s under dash area.

16. Route the T-Harness up from the under dash area to the changer cavity.

17. Plug the T-Harness into the rear of the EIS.

18. Insert the plugs into the control module matching the marks on the plug and the connector, “C1” and “C2.”

19. Plug the other end of the T-Harness into the factory wiring, white plug first, then black.

20. Follow steps 9-16 on the S Class section to power up and test the remote start as well as reassembling the under dash panel.

21. Lay the HVAC panel face down on the protective cover on the console and reinstall all plugs into their respective sockets.

22. Snap the HVAC panel back into place on the dash making sure the metal bracket at the very bottom is snapped past the plastic it hooks on to.

23. Install (1) T-25 Torx screw at the top and reinstall the vent.

24. Slide the ashtray back into place and connect the lighter socket power.

25. Reinstall the cup holder and the (2) T-20 Torx screws that retain it.

26. Reinstall the rubber stoppers that cover the screws.

Page 3

Data Controller (DC) Remote Start for Mercedes 2007 - 2012 CL and S Class

Remove rubber stoppers Remove (2) T-20

www.compustar.com

888.820.3690

FT-MB221-DC Installation Guide

Remove cup holder Remove ashtray

Ashtray removed Pry up on vent

Page 4

Data Controller (DC) Remote Start for Mercedes 2007 - 2012 CL and S Class

Remove vent Remove (1) T-25 torx

www.compustar.com

888.820.3690

FT-MB221-DC Installation Guide

Pry out on panel Metal hook on bottom

Unhook plugs from HVAC Remove changer

Page 5

Data Controller (DC) Remote Start for Mercedes 2007 - 2012 CL and S Class

Everything removed EIS plugs removed

FT-MB221-DC Installation Guide

Route plugs to bottom

Instructions for S Class

1. Remove (4) T-25 screws from driver’s underdash panel.

2. Remove (2) plastic fasteners from driver’s underdash panel from either side of the brake pedal.

3. Lower driver’s underdash panel and disconnect underdash light connector.

4. Laying on your back in the footwell reach up to the rear of the EIS (key cylinder) and remove both plugs, first the black (lower) plug, then the white (upper) plug.

5. Pull the harness containing those plugs down to the lower edge of the dash.

6. Take the ends of the T-Harness that match the ones you just removed and plug them into the rear of the EIS..

7. Plug each 16 pin connector into the Mercedes DC making sure to match each connector to the proper plug

8. Plug the remaining two connectors into the plugs you removed in step 4, white first, then black

9. Drill a 3/4” hole to mount the valet switch into the corner of the removed under dash panel closest to the center of the vehicle.

Page 6

Data Controller (DC) Remote Start for Mercedes

www.compustar.com

888.820.3690

2007 - 2012 CL and S Class

FT-MB221-DC Installation Guide

10. Mount the valet switch and connect it to the T-Harness.

11. Turn the valet switch on.

12. Start the vehicle with the key or keylessgo button to verify proper operation. If all is well, shut off the vehicle.

13. Test the remote start by pushing the ‘Panic’ button on the remote for less than one second.

14. Once you are satisfied with operation, find a location to mount the control module under the dash.

15. Tie up any excess length in the harness to avoid contact with moving parts.

16. Reinstall the under dash panel with the (2) plastic fasteners and (4) T-25 torx.

Installation Images

Remove (4) T-25 Remove (2) fasteners

Disconnect light Remove plugs from EIS

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Data Controller (DC) Remote Start for Mercedes 2007 - 2012 CL and S Class

Pull plugs to edge of dash Plug harness into EIS

FT-MB221-DC Installation Guide

Drill hole for valet switch Reconnect light

Reinstall (2) fasteners Reinstall (4) T-25

Page 8

Data Controller (DC) Remote Start for Mercedes

www.compustar.com

888.820.3690

2007 - 2012 CL and S Class

FT-MB221-DC Installation Guide

Installation Complete

Firstech, LLC. is not responsible for any damages whatsoever, including but not limited to any consequential damages, incidental damages, damages for loss of time, loss of earnings, commercial loss, loss of economic opportunity and the like that may or may not have resulted from the installation or operation of the Data Controller for Mercedes.