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.
FT-MB221-DC Installation Guide
Data Controller (DC)
Remote Start for Mercedes
2007 - 2012 CL and S Class
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888.820.3690
Copyright 2010 Firstech, LLC. | 6
Remove (4) T-25
Remove (2) fasteners
Disconnect light
Remove plugs from EIS
Installation Images
