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Matt
Matt, Mechanical Engineer
Category: Mercedes
Satisfied Customers: 527
Experience:  BEng hons Mech engineering, in auto industry 22 years
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I have a 2012 3ltr Viano. I have a stand alone tom tom which

Customer Question

I have a 2012 3ltr Viano. I have a stand alone tom tom which loses gps when I put the key in ignition.
When the fan you can hear inside the dash ( I presume cooling fan for electronics) goes off the GPS signal returns. This occurs with a 20 metre radius of the vehicle. I have brought a new tom tom and have them next to each other on the dash board and the both behave exactly the same and same time.
I am sure some thing is corrupting the gps signal from inside the vehicle electronics. The mercedes sat nav works ok, but I prefer my tom tom.
Can you suggest a cure. Mercedes have not heard of this , nor tom tom
Regards XXXXX XXXXX
P.s
I have noticed that when I am parked in traffic the cars next to me also lose there signal( makes me laugh, but shouldn't )
Submitted: 3 years ago.
Category: Mercedes
Expert:  Shantal-Mod replied 3 years ago.

Hello Howard,

I've been working hard to find a Professional to assist you with your question, but sometimes finding the right Professional can take a little longer than expected.

I wonder whether you're ok with continuing to wait for an answer. If you are, please let me know and I will continue my search. If not, feel free to let me know and I will cancel this question for you.

Thank you,

Shantal