gps tracking on 04+ mercedes clk 430

I have 7 years installation experience. I have done nearly all types of vehicles EXCEPT for some of the high ends like Mercedes and BMW. I have just recieved my first request for a Late Model Mercedes installation and I am not sure its a job I should take.

Basically its a GPS Tracking install. They are very simple: 12V Constant, True Ignition, Ground and a couple antennas. So normally I'm not even concerned with wireing diagrams being they are simple and I can usually get these at the Ignition Harness with my volt meter.

The difference in this is they would like to add a Starter Kill. While I have not recieved a vehicle year yet I understand that the Mercedes Ignitions are Multiplex so I will need to find my connections at the Fuse Panel or under the hood. In addition to this they would like a "Covert" installation which means I will need a good placement for the Antennas under the dash but near the surface not covered by metal. In many cases I end of having to remove a good portion of the dash sometimes including the gauge cluster or radio.

This is already starting to sound like a Nightmare but Im usually up for a challenge. Is there anything I should or could know about removing pannels or wireing that would help me on this?

I would like honest opinions. If you think its not worth it. Say so.

Thanks

When I do parrot kits on the newer Benz vehicles (E and C class) I am able to catch all of my wiring right below the front driver side rocker panel, 12volts, true ignition, ground, speakers although they don't apply here.

As far as the antennas go, I would investigate the plastic shrouds near the wind shield wipers. Often there are flat surfaces below them and some flat bar can be utilized for a stealth install.

I however cannot comment on starter disrupt, I have yet to do any. 

I appreciate the help. I really like the trunk idea. I will keep this in mind for future reference.

Yeah, my main issue with this installation was the Starter Kill. I knew I couldn't relay the data wires at the ign so it would have to be under the hood but all that still seems like an iffy subject. I too was worried about warning or diagnostics issues. I've done fuel cut offs before but on a benz I didn't want to think about tracking that wire down.

Not that I couldn't do it but I have learned in all my experience some jobs just aren't worth the risk.