Heater works only on the passenger side but not the driver or the back

What is your question?

i get hot and nice air on the passenger side from all vents but cold air on the driver side also from all vents and cold air in the back vent in the mid HELP HELP HELP

amaamo in Fremont CA

Jan 23, 2012

Popular Answer

What are the best Mercedes-Benz repair shops?

RepairPal Certified shops can diagnose and repair your 1999 Mercedes-Benz S420. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

1999 Mercedes-Benz S420 auto repair 1999 Mercedes-Benz S420 estimates 1999 Mercedes-Benz S420 questions 1999 Mercedes-Benz S420 problems 1999 Mercedes-Benz S420 recalls

What is your question?

Popular Answer

Heater works only on the passenger side but not the driver or the back

What is your question?

i get hot and nice air on the passenger side from all vents but cold air on the driver side also from all vents and cold air in the back vent in the mid HELP HELP HELP

amaamo in Fremont CA

Jan 23, 2012

2 Replies

Popular Answer

ccsmogon Jan 24, 2012

sounds like the blend doors may be not opening. I recommend taking it in to your repair shop as this is not an easy fix.

amaamoon Jan 25, 2012

Thank you

Reply in Thread

Hal Dortonon Jan 24, 2012

Actuators or blend doors not working correctly. Can you hear clicking sounds?

amaamoon Jan 25, 2012

Hal Dortonon Jan 25, 2012

The clicking sounds are broken plastic gears so you might just need a new actuator for on of the blend doors.

amaamoon Jan 25, 2012

Thank you for your help

Reply in Thread

Join the conversation!

Popular Answer

What are the best Mercedes-Benz repair shops?

RepairPal Certified shops can diagnose and repair your 1999 Mercedes-Benz S420. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

1999 Mercedes-Benz S420 auto repair 1999 Mercedes-Benz S420 estimates 1999 Mercedes-Benz S420 questions 1999 Mercedes-Benz S420 problems 1999 Mercedes-Benz S420 recalls

2 Replies

Popular Answer

ccsmogon Jan 24, 2012

sounds like the blend doors may be not opening. I recommend taking it in to your repair shop as this is not an easy fix.

amaamoon Jan 25, 2012

Thank you

Reply in Thread

Hal Dortonon Jan 24, 2012

Actuators or blend doors not working correctly. Can you hear clicking sounds?

amaamoon Jan 25, 2012

Hal Dortonon Jan 25, 2012

The clicking sounds are broken plastic gears so you might just need a new actuator for on of the blend doors.

amaamoon Jan 25, 2012

Thank you for your help

Reply in Thread

Join the conversation!

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