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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.

Mercedes-Benz Heater Servo Application Guide  

All Units $ 359.99 plus Refundable $ 200.00 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
 

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.