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 W164 A/C Air Conditioning Heater Evaporator Control Motor A1669060008

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Mercedes W204 Air Conditioning Unit Control Switch Panel Module A2048309885

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Air Conditioning Panel Mercedes C117 W176 W246 Heater Control Switch A2469000715

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Mercedes-Benz CL S Class C216 W221 Heater Blower Motor Fan Unit A2218202714

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Air Conditioning Compressor Mercedes W211 R171 Air Con A/C Unit A0012308011

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Climate Heater Control Mercedes C207 W212 Hazard Switch Panel Unit A2129005018

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Mercedes W203 Heater Climate Control Switch Panel Air Conditioning A2038301785

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Mercedes Vito W639 Air Flap Electric Motor Actuator Heater Blower 0132801332

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Mercedes W204 C207 W212 C218 A/C Air Conditioning Compressor Pump A0032308811

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Mercedes Vito Viano W639 AC Climate Heater Control Unit Switch Panel A6394460728

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Mercedes W177 Air Conditioning Panel Climate Control Heater Unit A2479056803

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Air Vent Mercedes W212 Fresh Centre Console Trim Panel Grille A2128300954

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

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Mercedes Vito W639 Switch Control Panel Block ASR Wiper Heat Hazard A6398701910

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Mercedes S211 W211 Heater Control Unit Switch Panel A2118300385

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Mercedes A W168 Air Conditioning Compressor Condenser Pipe Line A1688302415

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

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Pressure Pipe Mercedes W169 Air Conditioning Hose Line A1698301715

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

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Mercedes W124 E280 Automatic Heating Dual Dua Valve Bosch A0008306584

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Mercedes Viano Vito W639 Air Conditioning Heater Evaporator Unit A0018305758

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Mercedes-Benz A-Class W168 Heater Blower Motor Fan Unit A1688200542

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Air Conditioning Radiator Mercedes W204 C207 W212 A/C Condenser A2045000254

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Mercedes-Benz C W203 M271 Petrol Air Conditioning Compressor Pipe A2712030502

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Condenser Frame Mercedes W221 Radiator Cooler Mount Holder Bracket A2215050141

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Mercedes W207 W212 Automatic Air Conditioning Switch Control Panel A2129006527

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Mercedes Vito W639 Air Conditioning A/C Control Panel Switch A6399061300

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Mercedes GLX X253 Electric Water Heater Converter Unit A0008357300

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Air Vent Duct Mercedes ML W166 Rear Ventilation Channel Right A1668310046

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Air Vent Duct Mercedes ML W166 Rear Ventilation Channel Right A1668310046

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Mercedes CL S Class C215 W220 Air Duct Plastic Pipe Tunnel Centre A2208311146

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Mercedes GLE W166 Air Conditioning A/C Air Con Hose Pipe Line A1668302201

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Mercedes W906 Air Conditioning Panel Automatic Heater A/C Control A9068302085

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

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Mercedes W205 Air Conditioning Compressor A/C Pump A0008303102

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Mercedes C207 Climate Heater Control Unit Switch Panel A2078300190

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Mercedes Sprinter W910 Air Conditioning Pipe Refrigerant Hose Line A9108300000

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Air Panel Mercedes W204 Heater Climate Control Switch Conditioning A2049005805

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Air Conditioning Mercedes W213 Compressor Condenser Refrigerant Hose A2138307904

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