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Cabin fan and marker lights are on even with engine off.

Customer Question
Cabin fan and marker...

Cabin fan and marker lights are on even with engine off.

Mechanic's Assistant: Just to clarify, what are the exact lights you're talking about?

Driving lights near headlights

Mechanic's Assistant: What is the model/year of your Mercedes?

1997 E320

Mechanic's Assistant: Are you fixing your E320 yourself? What have you tried so far?

It has been parked for about 3 years, we just did 1 head gasket. he has tried checking the fuses

Submitted: 8 months ago.Category: Mercedes
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Answered in 11 hours by:
11/19/2017
Mercedes Mechanic: Marty, Mercedes Technician replied 8 months ago
Marty
Marty, Mercedes Technician
Category: Mercedes
Satisfied Customers: 55,216
Experience: Bosch Certified Master Tech. Over 35 years experience.
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Hi, my name is***** for the long wait on this question. Do you still need help?

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Mercedes Mechanic: Marty, Mercedes Technician replied 8 months ago
Ok, can you post the last 8 digits of your vin number?
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Mercedes Mechanic: Marty, Mercedes Technician replied 8 months ago
Also, is it only the two front lights that are staying on? No other lights?
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Customer reply replied 8 months ago
Vj034983
Virginia Klus(###) ###-####
Mercedes Mechanic: Marty, Mercedes Technician replied 8 months ago

Hi Virginia, a phone call is an additional $26 charge but it will be much faster talking on the phone. I've sent you an additional service offer for the phone call if you would like to talk on the phone.

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Customer reply replied 8 months ago
I prefer that you answer here.
Customer reply replied 8 months ago
It is only the front lights staying on and the cabin fan
Mercedes Mechanic: Marty, Mercedes Technician replied 8 months ago

Ok, for the front lights he will need to disconnect the headlight switch. If the lights turn off it would indicate a fault with the switch.

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Mercedes Mechanic: Marty, Mercedes Technician replied 8 months ago

For the cabin fan, if only the fan is staying on and not the control on the dash the problem would typically be a faulty blower regulator.

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Mercedes Mechanic: Marty, Mercedes Technician replied 8 months ago

If the car has been idle for 3 years there is always the chance of rodent damage. Rodents tend to nest in cars and gnaw on the wiring. They can gnaw all the way through a wire or gnaw through bunches of wires and cause short circuits.

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Mercedes Mechanic: Marty, Mercedes Technician replied 8 months ago

Let me know if you have any questions.

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