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.
Screw Cap
Mercedes-Benz
000-997-35-95
Filler connection. Filling connection. Low-pressure line. Seal. Suction line. Cover, service connection, low pressure, air conditioning...
$8.98
MSRP $12.50
Save $3.52
28.2% Off 
Padding
Mercedes-Benz
170-910-16-16
Seat heater,left. Seat heater,right.
$103.37
MSRP $144.00
Save $40.63
28.2% Off 
Temperature Sensor
Mercedes-Benz
203-821-15-92-07
To condenser. M 12. At condenser,bottom. Refrigerant.
$27.06
MSRP $37.00
Save $9.94
26.9% Off 
Rubber Profile
Mercedes-Benz
201-505-62-86
At condenser,lateral right. At condenser,left.
Duct
Mercedes-Benz
201-831-11-46
Between heater case and left nozzle, on heater case. Betwen heater case and left fresh air nozzle.
Closing Cap
Mercedes-Benz
221-470-09-41
With stationary heater connection. With independent heater connection.
$111.60
MSRP $155.00
Save $43.40
28% Off 
Hexalobular Screw
Mercedes-Benz
000000-001101
Mounting, hook. M6X35 Diameter: 6mm Strength / hardness class: 8.8 Thread code letter: M Thread pitch: 1mm. Attachment cover. Climate...
Air Duct
Mercedes-Benz
124-831-11-46
Between heater case and left nozzle, on heater case.
Pressure Line
Mercedes-Benz
113-230-04-56
From compressor to condenser. Compressor-to-condenser refrigerant line.
$172.14
MSRP $252.00
Save $79.86
31.7% Off 
Fuel Line
Mercedes-Benz
253-470-41-00-64
Fuel line to stationary heater. Connecting point to heater.
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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.