What does p1105 and P1107 - code on Mercedes Benz 2003 mean?

Question

Loosing power and speed uphill . Gas gage not working . Everything shuts down then goes back on. We think it's the sensors? 4 cylinder

Answer 1

P1105 Heating circuit Bank 1 Sensor 2

P1107 Manifold absolute pressure sensor circuit low

If the vehicle power shut down then comes back on , then you have a problem with the cable that supplys voltage, These code condition can just be a result of everything shutting down and coming back on