2 included with coil wire protectors. A common source of wetness around the lower front of the engine. BE SURE to check your lengths before ordering. These are 9 inches long.
I have a 1979 450 SL recently my car only blows cold air is. The dealer told me I needed a new heater servo and quoted me 2500 to replace. Is ther a way to bypass the servo to blow only hot air until I get the funds to replace the heater servo.