Scheme 16. Heater
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- A1 Instrument cluster
- F1 fuse and relay box
- Fn38 fuse 38
- Fn45 fuse 45
- M2 cabin air blower
- M39 Electric motor for the air recirculation flap in the passenger compartment
- N119 heater switch block
- N119e1 backlight
- N119s1 blower direction switch
- N119s2 cabin air temperature switch
- N119s3 cabin air blower switch
- N119s4 Engine Residual Heat Recovery System Switch
- N119s5 Interior Air Recirculation Switch
- R14 resistor block for interior air blower fan speed
- R14r1 resistor 1st speed of rotation of the cabin air blower
- R14r2 resistor 2nd speed of rotation of the cabin air blower
- R14r3 resistor 3rd speed of rotation of the cabin air blower
- U711 only for taxi vehicles without air conditioning
- W1 ground point (-) behind the control unit
- X85/10 heater or air conditioner plug
- Z5/1 Fan Plug Wire
- Z6/7 point "mass" (-) W1
- Z81 terminal 58d
[Article text obtained from the website: mercedesman.ru]