hello, i want to remove the intake manifold for my 2007 gl450 at the middle of the work with the ecu disconnected i pretend to hear music and  i move the key clockwise two time and appears a noise and a red message that says'' drive to work shop without shifting gear" the engine does not turn on and the shift doesnt work. does anything i can do?


Did you disconnect any parts from the intake manifold? Where they back on the engine when you tried to start the car? 

I would reconnect all the cables that were disconnected. Next, disconnect the negative battery termnial for about 5 minutes and reconnect. Try starting the car. 

If the car does not start see if the check engine light is on. If it is, read the codes. Ideally you want to use a scanner that can read Mercedes specific codes and can access other modules such as EIS. 

Let us know what codes you get. 

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