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 W204 W212 M156 Heater Water Coolant Control Unit Valve A1562030164

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Part no. A6398301715

Mercedes Vito W639 Air Conditioning Suction Hose A/C Compressor Pipe A6398301715

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Mercedes Vito Viano W639 Air Conditioning Air Duct Channel Tube Rear A6398312045

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Mercedes W204 Air Conditioning Compressor Air Con A/C Pump M271 A0022304911

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Mercedes W204 C207 W212 A/C Air Conditioning Pipe Hose Line OM642 A2048300715

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Mercedes C219 Front Seat Heater Blower Radiator Left N/S A2118202142

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Part no. A2058306401

Mercedes A238 M276 A/C Air Condition Pipe Hose Line Tube A2058306401

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Air Duct Mercedes W205 C253 Channel Cabin Ventilation Rear Left N/S A2058311145

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Part no. A6398300115

Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398300115

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Part no. A6398301123

Mercedes-Benz Vito Viano W639 Front Floor Air Duct Channel A6398301123

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Part no. A0998300061-1

Heat Exchanger Mercedes X253 A/C Heater Core Radiator A0998300061

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Part no. A2712300556-1

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

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Part no. A2215050141

Condenser Frame Mercedes W221 Radiator Cooler Mount Holder Bracket A2215050141

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Part no. A1132301856

Mercedes W203 AMG Air Conditioning A/C Pipe Hose Refrigerant Line A1132301856

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Part no. A2078300008-1

Convertible Seat Blower Mercedes A207 W207 Motor Fan Headrest Unit A2078300008

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Part no. A2048309885-1

Mercedes W204 Air Conditioning A/C Control Switch Panel Module A2048309885

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Part no. A2469000715

Air Conditioning Panel Mercedes C117 W176 W246 Heater Control Switch A2469000715

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Part no. A6398350270

Mercedes W639 Air Conditioning Cooling Radiator Condenser A/C A6398350270

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Part no. A6462300456

Air Conditioning Pipe Mercedes CL203 W209 A/C Hose Refrigerant Line A6462300456

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Part no. A0022307711

Mercedes W639 W906 A/C Air Conditioning Compressor Climate Pump A0022307711

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Part no. A2469002208

Climate Control Panel Mercedes W176 W246 Heater Switch Air Con A/C A2469002208

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Part no. A1718301354

Mercedes SLK R171 Air Vent A/C Dashboard Dash Center Grill Black A1718301354

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Part no. A1698301785

Climate Control Panel Mercedes W169 W245 Heater Unit Switch A1698301785

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Part no. A2048300916

Mercedes W204 C207 M271 Air Conditioning Pipe Line Refrigerant Hose A2048300615

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Part no. A2108206210-1

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

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Mercedes Sprinter W906 Heater Blower Motor Fan Unit Diesel A0008356007

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Mercedes W907 Air Condition A/C Heater Climate Control Panel A9079054806

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Mercedes W213 A/C Air Conditioning Compressor Pump Electric A0008303204

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Mercedes W202 W210 Air Conditioning Unit Control Panel A2108303185

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Part no. A2469003816

Mercedes W176 Climate Heater Control Panel Air Conditioning Switch A2469003816

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Part no. A2138307904

Air Conditioning Mercedes W213 Compressor Condenser Refrigerant Hose A2138307904

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

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Part no. A0008356007

Mercedes Sprinter W906 Heater Blower Motor Fan Diesel A0008356007

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Mercedes W212 A/C Air Condition Compressor Pump A0032302911

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Part no. A2479057003

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

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Mercedes W204 Air Conditioning Compressor Unit A/C A0012305011

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Part no. A2479056803

Mercedes W177 Air Conditioning Panel Climate Control Heater Unit A2479056803

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Air Conditioning Compressor Mercedes W169 W245 OM640 A/C Pump A0022301411

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Mercedes W124 E280 Automatic Heating Dual Dua Valve Bosch A0008306584

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Mercedes W251 Air Duct Channel Cabin Front Centre Tube A2518311345

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Air Conditioning Pipe Mercedes W203 W209 M272 Petrol Compressor Pipe A2722300756

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Mercedes ML W164 A/C Heater Climate Control Unit Switch Panel A2518702289

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Air Conditioning Panel Mercedes W176 Automatic Heater A/C Control A2469000515

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Mercedes R171 Seat Air Scarf Heater Blower Front Left N/S A1718300008

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

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Mercedes W246 M651 Air Conditioning Pipe Compressor Pipe A2468300215

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Mercedes-Benz E W210 M112 240 280 320 Air Conditioning Radiator Suction Pipe

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Mercedes C W203 OM646 Fuel Injector to Tank Feed Lines Pipes Diesel A6460700532

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Mercedes Vito Viano W639 Expansion Valve A/C Air Conditioning Valve A0048304184

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Mercedes W639 Air Conditioning Cooling Radiator Condenser A/C A6398350470

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Air Duct Mercedes ML W164 Rear Floor Right Ventilation Channel A1648311246

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Mercedes-Benz A-Class W168 Left N/S Passenger Air Vent Dashboard A1688300554

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

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Air Conditioning Compressor Mercedes R170 W202 W210 W638 A/C Pump A0002307011

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Air Panel Mercedes W204 Heater Climate Control Switch Conditioning A2049005805

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Mercedes-Benz Vito W639 Air Conditioning Unit Control Switch Panel A6398301185

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Mercedes W639 Heater Booster Matrix Electric Auxiliary A6399002600

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Mercedes W166 Right Dashboard Fresh Air Vent Duct Channel A1668311800

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Mercedes W213 W238 Cooling Fan Blower Motor Control Unit 12V A2139062700

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Mercedes W205 W447 Air Conditioning Air Con A/C Unit Compressor A0008303801

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

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Air Conditioning Compressor Mercedes W169 W245 Petrol M266 A/C Pump A0022304711

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Mercedes W204 Heater Climate Control Panel Air Con A/C Switch Unit A2049005805

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Mercedes W203 Heater Climate Control Switch Panel Air Conditioning A2038301785

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

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