Buy OEM Mercedes-Benz A/C and Heating Parts
The heater in your Mercedes-Benz not warming things up? Maybe the air conditioner isn't blowing cold? Most likely, one or another part needs replacing -- something you should do sooner rather than later, to keep spiraling repair costs down. Good thing you came to us here at MB Part Source; we stock replacement heating and AC parts for all Mercedes-Benz models, at competitive prices. Order today, and we'll ship fast, anywhere nationwide; you'll have repairs done in no time. Contact us with any questions.
Receptacle Housing
Mercedes-Benz
220-545-03-29
Fan motor m4/7. 4-pin slk2.8, lsk8. Cooler fan 4-pin m4/7. 4-pin slk2.8, lsk8. Fan motor n76. 4-pin slk2.8, lsk8. Electric suction-type...
$6.85
MSRP $9.50
Save $2.65
27.9% Off 
Coupling, Mechanical
Mercedes-Benz
026-545-24-26
Lumbar support pump m25/4, m25/5. 2-pin mqs. Defrost heater r50. 2-pin mqs.
$2.36
MSRP $3.20
Save $0.84
26.3% Off 
Receptacle Housing
Mercedes-Benz
019-545-28-28
Driver's air bag control unit. 12-pin. Inboard/heater-operation cable-harness plug-connection. 12-pin.
$5.54
MSRP $7.50
Save $1.96
26.1% Off 
Switch
Mercedes-Benz
000-545-31-22
Steering column tube adjustment. Steering column adjustment & steering wheel heater. Jacket tube adjust. On steering wheel, heated.
$72.00
MSRP $100.00
Save $28.00
28% Off 
Seal
Mercedes-Benz
123-827-00-98
(thermo-valve),windshield heater. At central inside part. Air-blast nozzle breather fitting. Alarm unit to bracket.
$9.47
MSRP $13.00
Save $3.53
27.2% Off 
Clamp
Mercedes-Benz
123-988-22-78
Air duct to heater case. Panelling to right front panel pillar. Cable harness to front cross member.
$0.86
MSRP $1.20
Save $0.34
28.3% Off 
Clamp
Mercedes-Benz
004-997-30-90
Fastening, fuel hose to plastic line. 8 mm. Between fuel line and heater unit. 8 mm. Feed and return lines, breathing. 8 mm. Fuel line...
$4.27
MSRP $6.00
Save $1.73
28.8% Off 
Fastening Clamp
Mercedes-Benz
129-995-01-20
For stationary heater fuel line. Brake line to front axle cross member. Fuel lines on floor under rear seat.
$8.49
MSRP $11.50
Save $3.01
26.2% Off 
Control Module
Mercedes-Benz
906-446-17-42
Modules & sensors. Sprinter van. With side curtain. With aux. heater. From 3/11/11. To 3/11/11. You will be required to provide a VIN...
$962.71
MSRP $1,410.00
Save $447.29
31.7% Off 
Bolt And Washer Assembly
Mercedes-Benz
914001-005002
To 140 470 01 47. Bracket to auxiliary blower m 5x12. Bracket to whelhouse flange. Additional blower to condenser.
$1.72
MSRP $2.40
Save $0.68
28.3% Off 
Holder
Mercedes-Benz
206-830-91-02
Mount, coolant line to suspension strut tower. Hose line to suspension strut tower. Bracket, coolant pipe/coolant hose, heater circuit.
$3.57
MSRP $4.90
Save $1.33
27.1% Off 
Line Fastener
Mercedes-Benz
000-995-91-00
Heating water return an stirnwand. Hose line mount. Bracket, coolant pipe/coolant hose, heater circuit. Coolant line mount. To line.
$2.13
MSRP $2.90
Save $0.77
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Mercedes-Benz AC and Heating FAQ
Why is the HVAC in My Mercedes-Benz Not Working Right?
Most likely, because of low or leaking coolant, a failed heater core, a defective AC compressor, or a bad AC condenser. You'll know one from the other by some key symptoms.
How Can I Tell if My Coolant's Low or Leaking?
Start your engine, setting the air conditioner and fans to max/high and listening for the compressor clutch to click. If the system runs too fast, the coolant's probably low. If your Mercedes-Benz isn't due for air conditioning service anytime soon, a leak's likely.
What are the Signs of Heater Core Failure?
The heater not blowing warm, the interior being steamy or smoky, the smell of coolant in the car, and the engine overheating. The core's hoses are the likely problem; they're probably leaking. If you need help with this or any other repairs, get in touch with a Mercedes-Benz service center.
How Can I Diagnose an AC Compressor Defect?
Look, listen, and feel. If the air conditioning sounds funny, if the cabin's warmer than usual, and if the AC clutch is stuck, it's probable. You'll know a bad clutch from connecting a voltmeter and getting no reading. Other causes of compressor trouble include low refrigerant pressure, a faulty cycling switch, and a blown fuse.
How Can I Tell if the AC Condenser in My Mercedes-Benz is Bad?
You'll know it from the HVAC warning light being lit, from frost starting to build up, from the AC button flashing, from the system having discharge pressure issues, and from the vents not blowing cold. If no air's coming through them at all, though, the blower motor's probably gone out. Other reasons for condenser issues include a failed cooling fan and a clogged cabin air filter.