Keep the heater and A/C fan in your classic Mercedes-Benz stepping through its speed settings with the Standard Ignition Blower Motor Resistor / Blower Motor Switch HS-531. It is a direct-fit OE replacement for the 1981-1985 Mercedes-Benz 380SL, the 1981-1983 Mercedes-Benz 380SEL, the 1982-1985 Mercedes-Benz 300D and several other Mercedes-Benz models listed below. Standard Ignition lists this part as both a blower motor resistor and an A/C and heater blower motor switch. It helps control how fast the blower motor spins at each fan setting.
Signs this part may need replacing include a blower that runs on some speed settings but not others, or one that does not run at all. A blower motor, fuse or wiring fault can cause similar symptoms, so diagnose the circuit before you replace the part.
Fitment:
See the Buyer's Guide tab for engine details.
Interchange: BL261 · HC495 · 1268202510
This part cross-references / interchanges with the following part numbers:
What does an HVAC blower motor resistor do?
It helps control the blower motor's speed so the heater and A/C fan can run at different settings. Standard Ignition lists HS-531 as both a blower motor resistor and a blower motor switch.
Which vehicles does HS-531 fit?
It fits nine classic Mercedes-Benz applications, including the 1981-1985 380SL and the 1982-1985 300D. See the fitment list and the Buyer's Guide tab for every model and year.
What are signs this part may need replacing?
Warning signs include a blower that works on some speed settings but not others, or one that does not run at all. A motor, fuse or wiring fault can cause the same symptoms, so diagnose the circuit first.
Is HS-531 a direct-fit replacement?
Yes. Standard Ignition describes it as a direct-fit OE replacement that is designed for easy installation on the listed Mercedes-Benz applications.
Which part numbers does HS-531 replace?
It cross-references BL261, HC495 and 1268202510.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
