What is the construction and purpose of air conditioning and heating systems?

Air conditioning and heating systems are systems responsible for regulating temperature, humidity, and air circulation in the vehicle cabin. They consist of cooling and heating parts, and their elements are located both in the engine compartment and under the dashboard. A typical set includes, among others, a compressor, condenser, evaporator, heater core, blower, and control modules.

What are air conditioning and heating systems used for?

Air conditioning and heating systems are used to maintain appropriate conditions inside the car throughout the year. They are responsible for cooling in summer, heating in winter, and dehumidifying the air when defrosting windows. Their efficiency also affects driver comfort, visibility, and the correct operation of automatic airflow control.

What is the construction and function of the blower module?

The blower module is a set of ducts, flaps, actuators, and housings through which air enters the cabin. It is used to direct the stream to the windshield, feet, or the central zone and to mix warm and cool air. Depending on the version, it works with actuator motors, temperature sensors, and the control panel.

How to select a part for a specific car?

When selecting, it is best to compare the OEM number, engine version, A/C type, and the layout of mounts and connectors. In many cases, the pre-facelift or post-facelift version, the type of control panel, and the presence of additional sensors also matter. A safe solution is to verify the part by VIN or by the number of the removed element.

What symptoms indicate a problem with the air conditioning or heating system?

Typical symptoms include poor cooling, lack of heating, fogging windows, uneven blower operation, and unusual noises after turning on the air conditioning. In practice, the cause may be a leak in the lines, a worn compressor, a damaged control panel, or a faulty flap motor. It is also worth checking the cabin filter and the patency of the condensate drain.

What to pay attention to before installing a used HVAC component?

Before installation, it is worth comparing the condition of the housing, the completeness of ports, mounts, and electrical plugs, and the compliance of catalog numbers. For parts such as a compressor, evaporator, or heater core, it is also important to check for leaks and signs of previous repairs. A well-chosen element reduces the risk of re-removal and facilitates proper fitting with the rest of the system.

Air conditioning and heating installations

At Global Parts, we offer a wide selection of original used car parts, including air conditioning and heating parts for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our air conditioning and heating parts undergoes quality control to ensure you receive a top-quality product.

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Mercedes R171 Air Conditioning AC Compressor A0002309311

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Mercedes SLK R171 Air Conditioning Condenser A/C Air Con A1715000154

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Mercedes-Benz E G M W163 W211 W463 Air Conditioning Pressure Sensor A2038300372

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Mercedes-Benz A B Class W169 W245 Air Duct Plastic Pipe Left N/S A1698310246

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Mercedes W639 Headliner Rear Air Vent Nozzle Unit Trim Left N/S A6398302254

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Mercedes Vito W639 Air Vent Grille Rear Right O/S Roof Trim Nozzle A6398300854

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Air Conditioning Condenser Mercedes W176 W246 Radiator Air Con A/C A2465000454

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Mercedes W205 M177 Petrol Engine A/C Air Condition Pump Compressor A0008300901

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Air Conditioning Pipe Mercedes W204 W212 Refrigerant A/C Hose Line A2048304715

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Mercedes W169 W245 Heater Control Unit Switch Panel A1698300585

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Mercedes W447 Blower Motor Heater Fan Resistor Regulator V-Class HM078002

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Mercedes SLK R170 W202 C208 W210 Heater Blower Motor Fan Resistor A2108206210

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Mercedes W415 Air Conditioning Compressor A/C Pump A4158300100

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Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398300215

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Mercedes Sprinter W906 Heater Blower Motor Fan Unit Diesel A0008356007

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Mercedes W124 E280 Automatic Heating Dual Dua Valve Bosch A0008306584

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Mercedes GLX X253 Electric Water Heater Converter Unit A0008357300

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Part no. A1698300685

Mercedes W169 W245 Heater Climate Control Air Con A/C Switch Panel A1698300685

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Air Conditioning Compressor Mercedes W204 W212 M271 OM651 A/C Pump A0032308511

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Air Con Compressor Mercedes ML W166 GL X166 Air Conditioning Pump A0008309300

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Part no. A1718300485-1

Mercedes SLK R171 A/C Air Con Heater Climate Control Switch Panel A1718300485

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Part no. A1668301315

Mercedes W166 Petrol A/C Air Condition Climate Line Hose Pipe Tube A1668301315

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Part no. A1688300054

Mercedes W168 Dashboard Dash Center Air Vent Grill Nozzle A1688300054

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Part no. A2479057003

Mercedes EQA H243 A/C Climate Control Unit Switch Panel A2479057003

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Mercedes W205 Air Conditioning Pipe A/C Hose Line A2058304805

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Mercedes W213 Air Conditioning Cooling Radiator Condenser A/C A0995003100

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Part no. A0008308700

Mercedes W205 Air Condition Conditioning Compressor A/C Unit A0008308700

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Mercedes W204 Air Conditioning Compressor Refrigerant Hose Line A/C A2048306315

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Mercedes C CLK W203 C209 OM271 Kompressor Air Conditioning Air Con Pipe Line

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Heater Valve Mercedes S124 Recirculating Water Pump Double Valve A0018303784

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Mercedes W176 Diesel Air Con Compressor Condenser Pipe Line A2468301302

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Air Conditioning Compressor Mercedes W211 Air Con A/C Unit A0012301211

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Mercedes W205 OM654 A/C Air Con Air Conditioning Pipe Hose Line A2058300006

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Mercedes W211 Secondary Air Pump Auxiliary Vacuum Smog Pump A0001403785

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Air Conditioning Pump Mercedes W166 C217 W222 W292 A/C Compressor A0008303702

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Mercedes Vito Viano W639 Heater Blower Motor Fan Resistor A0018216560

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Mercedes W168 Air Conditioning A/C Compressor A0002307911

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Mercedes W246 Climate Control Panel Heater Switch Air Con A/C A2469008215

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Mercedes-Benz M-Class ML W163 Expansion Tank Recirculating Pump Coolant Hose

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Mercedes Benz W203 Cooling Coolant Water Hose A2038304796

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Air Conditioning Condenser Mercedes W211 CLS C219 OM642 A/C Air Con A2115000554

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Mercedes W204 Air Conditioning Unit Climate Control Switch Panel A2049006608

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Mercedes W177 W205 X253 Electric Water Heater Converter Unit A0008357300

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AC Switch Mercedes ML W166 Air Conditioning Blower Control Panel A1669000106

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Mercedes Vito W639 Air Flap Electric Motor Actuator Heater Blower 0132801332

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Air Con Compressor Mercedes W203 Air Conditioning A/C Compressor A0002306811

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Climate Control Panel Mercedes W203 W209 Heater Switch Air Con A/C A2098300085

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Mercedes A207 W204 Air Duct Hose Line Pipe Left N/S A2048300323

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Mercedes-Benz CL S Class C215 W220 Air Duct Plastic Pipe Right O/S A2208311046

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Mercedes W204 Heater Climate Control Panel Switch Air Con A/C Unit A2049009104

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Mercedes W211 OM642 Air Conditioning Refrigerant Compressor A/C Pump A0012308611

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Mercedes W169 Air Conditioning Cooling Radiator Condenser A/C A1695001254

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Mercedes Sprinter W906 Air Conditioning A/C Air Con Hose Pipe Line A9068306315

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Flap Actuator Mercedes W163 W203 W211 BEHR Heater Motor A2038201642

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Mercedes CL S Class C215 W220 Air Duct Plastic Pipe Front Right O/S A2208311846

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Mercedes-Benz C208 W208 Front Left Nozzle Air Duct Leg Channel Vent A2088300166

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Mercedes-Benz CL S Class C215 W220 Air Duct Plastic Pipe Left N/S A2208310946

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Mercedes W203 M271 Air Conditioning A/C Pipe Hose Refrigerant Line A2712300756

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Mercedes C CLK W203 C209 Cabin Pollen Air Filter Box Housing Cover A2038300440

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Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398300215

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Air Conditioning Pipe Mercedes W204 W207 W212 Refrigerant Hose Line A2048300415

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Mercedes Vito Viano W639 AC Climate Heater Control Unit Switch Panel A6394460828

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Mercedes Sprinter W906 Air Conditioning A/C Air Con Hose Pipe Line A9068306415

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Mercedes W212 A/C Air Condition Compressor Pump A0032302911

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Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398306415

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Air Vent Duct Mercedes ML W166 Rear Ventilation Channel Right A1668310046

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Air Conditioning Compressor Mercedes W205 W447 OM654 A/C Pump A0008304500

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Mercedes W166 Right Dashboard Fresh Air Vent Duct Channel A1668311800

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Refrigerant Hose Pipe Mercedes W204 W212 Air Con Condenser Line A2048301216

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Mercedes W205 C253 Climate Control Panel Heater Switch Unit A2059058913

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Mercedes C216 W221 Air Con Conditioning A/C Dryer Filter A2218300183

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Mercedes W166 C292 Blower Resistor Heater Fan Regulator Control Unit A2479061901

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Condenser Mercedes GLE C292 ML W166 Air Conditioning A/C Radiator A0995000002

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Mercedes-Benz W202 W208 M112 Petrol Air Condition Suction Hose Pipe A1122301356

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Air Conditioning Compressor Mercedes W204 W212 Air Con A/C Pump A0022303111

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Mercedes C209 Air Duct Guide Channel Ball Left N/S A2098300123

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Mercedes Vito W639 Air Conditioning Unit Control Switch Panel A6399061300

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Air Conditioning Pipe Mercedes W204 M271 Compressor Condenser Refrigerant Line

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Mercedes-Benz M-Class ML W163 Air Conditioning Expansion Valve A1638300084

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Refrigerant Hose Pipe Mercedes Vito W639 Air Conditioning Condenser A6398303600

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Mercedes W212 Air Conditioning Unit Climate Control Switch Panel A2129008608

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Mercedes Sprinter W906 Heater Blower Motor Fan Diesel A0008356007

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Mercedes-Benz A B Class W169 W245 Heater Control Unit Switch Panel A1698301585

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Mercedes-Benz Sprinter W906 Dashboard Left N/S Air Duct Pipe Channel A9068311545

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