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Mercedes Benz Heater Servo MotorsMercedes Benz Heater Servo

The Mercedes heater servo is a vacuum-controlled on/off and a multiple pulse width-controlled
valve
stem.
 The servo responds to the temperature control resister chain. It has a small electric motor that routes vacuum to control flaps, moves variable resister to send a signal to the amplifier, and opens and closes the hot water valve. The motor in the servo receives a voltage signal from the amplifier that is located behind the glove box in most Mercedes applications.  The factory heater servo has a plastic body that cracks.  Our servos have a machined aluminum body which will not crack and will provide a longer life than factory replacement servos.  Not only do our servos last longer that the factory replacement unit they also cost less.  If you'd like to order one of our heater servos please call
877-525-5233 or email us at sales@mr-auto-parts.com.
Our Mercedes heater servos come with a two year warranty against defects in material or workmanship.

Looking for the Heater Servo Amplifier? Click Here

Mercedes-Benz Heater Servo Application Guide  

All Units $ 399.99 plus Refundable $ 150.00 Core Deposit

Model Years OEM # Part #
280 CE 1978 - 86 000 830 03 84 520-840
280 SE 1977 - 80 000 830 06 84 520-842
300 CD 1977 - 86 000 830 03 84 520-840
300 D 1977 - 86 000 830 03 84 520-840
300 SD 1977 - 80 000 830 06 84 520-842
300 SE to 1981 000 830 06 84 520-842
380 SL to 1981 000 830 06 84 520-842
380 SLC to 1981 000 830 06 84 520-842
450 SE 1976 - 77 000 830 06 84 520-842
450 SEL 1976 - 80 000 830 06 84 520-842
450 SL 1977 - 80 000 830 06 84 520-842
450 SLC 1976 - 80 000 830 06 84 520-842
 
Cores must be complete, cores missing components are subject to a minimum $50 charge.

Call us toll free at 877-525-5233 or email us at info@mr-auto-parts.com to order you servo or to let us help on assuring that you get the right part at the right price.

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