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.
Refrigerant Line
Mercedes-Benz
294-830-39-00
Refrigerant line, pipe system - expansion valve, air conditioning. Connecting point to expansion valve and connecting point.
$219.61
MSRP $322.00
Save $102.39
31.8% Off 
Stepper Motor
Mercedes-Benz
099-906-52-04
2 zones. Actuator, air conditioner housing, instrument panel. Actuator, air conditioner housing, rear air conditioning system. 4 zones....
$48.00
MSRP $67.00
Save $19.00
28.4% Off 
Plug
Mercedes-Benz
034-545-93-28
Control for electric suction-type fan. 7-pin. Control module,auxiliary fan 7 polig. 7-pin. Electric suction-type fan control module...
Intermediate Layer
Mercedes-Benz
203-835-00-93
For firewall bolt. Housing,top. Blower housing on firewall. Heater/air conditioning TO A463 830 06 62,209 830 01 62.
Electric Motor
Mercedes-Benz
203-820-16-42
Air flap control. Servomotor. Heater/air conditioning TO A463 830 06 62,A209 830 01 62. Air duct. In central console.
$112.80
MSRP $157.00
Save $44.20
28.2% Off 
Parts Kit, Control Lever
Mercedes-Benz
203-830-00-33
Parts kit, left and right footwell. Legroom,left and right. Heater/air conditioning TO A463 830 06 62,209 830 01 62.
$18.45
MSRP $25.00
Save $6.55
26.2% Off 
Clamp
Mercedes-Benz
007-997-38-90
10mm. 4.3/8.0MM. 9.5 mm. 4.3/8.0mm. Cable to ac housing. 4.3/8.0mm. Return line to pipe line. 4.3/8.0mm. Brake line mounting. 4.3/8.0mm....
Valve Element
Mercedes-Benz
000-832-02-85
Filling connection. Filler connection. High-pressure line. Filling valve. Suction line. Service connection, high pressure, air...
$14.51
MSRP $20.00
Save $5.49
27.5% Off 
Screw Cap
Mercedes-Benz
000-997-34-95
Filler connection. High-pressure line. Cover, service connection, high pressure, air conditioning system. Filling connection m10x1....
$5.04
MSRP $7.00
Save $1.96
28% Off 
Hose Line
Mercedes-Benz
223-830-55-02
Clamp, fuel line 2, fuel metering pump, stationary heater - stationary heater/booster heater.
Mounting Frame
Mercedes-Benz
099-505-00-41-64
For condenser. Left and right condenser.
$153.90
MSRP $226.00
Save $72.10
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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.