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 W251 Diesel Air Conditioning Compressor Unit A0022305811

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Mercedes-Benz C-Class W203 Air Conditioning Air Con Pipe Hose A1112306756

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Climate Control Panel Mercedes W204 W212 A/C Heater Unit Switch Rear A2048303290

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Mercedes W246 M651 Air Conditioning Pipe Compressor Pipe A2468300215

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

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

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Mercedes W176 W246 Heater Climate Control Switch Panel A2469008415

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

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Mercedes Vito W639 Air Conditioning Heating Evaporator Unit A0028303458

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Mercedes W168 Air Conditioning A/C Compressor A0002307911

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Mercedes W164 Air Condition Climate Control Module Unit A2518702290

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Mercedes W204 Air Conditioning Compressor Unit A/C A0012305011

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

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Mercedes W168 Switch Control Panel ASR Off Wiper Heat Switch A1688205110

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Mercedes W203 W211 Power Steering Pump Pulley Diesel A6112300115

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Mercedes W203 C209 Diesel Air Conditioning Compressor A0012305611

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Mercedes W177 Air Conditioning Panel Climate Control Heater Unit A2479056803

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Mercedes W177 W247 Air Conditioning Pipe Refrigerant Line Hose A/C A1778304501

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Mercedes SLK R171 Petrol M272 Air Conditioning A/C Kompressor A0012305411

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Mercedes Benz W203 Cooling Coolant Water Hose A2038304796

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Air Conditioning Compressor Mercedes W204 W212 M271 OM651 A/C Pump A0022304411

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Air Conditioning Compressor Mercedes W204 W207 W212 Air Con A/C Unit A0022303411

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

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Mercedes W205 M274 Petrol Air Conditioning Compressor Pump A/C A0008302800

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Mercedes Sprinter W901 Vito W639 Air Conditioning Pressure Sensor A6395420818

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Mercedes W203 Air Conditioning Condenser Cooling Radiator Petrol A2035000854

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Mercedes W204 Air Conditioning A/C C63 AMG Condenser Hose Pipe Line A2128306915

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

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Mercedes W169 W245 Heater Control Unit Switch Panel A1698300585

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Air Conditioning Compressor Mercedes W177 W247 Air Con A/C Pump A0008304202

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Mercedes W639 Air Conditioning Cooling Radiator Condenser A/C A6398350800

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Mercedes W163 Heater Climate Control Unit Switch Panel A1638204989

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Mercedes W639 Heater Booster Matrix Electric Auxiliary A6399002600

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Part no. A6132300156

Mercedes S W220 S 320 CDI Air Conditioning Air Con Pipe Hose A6132300156

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Mercedes W168 Dashboard Dash Center Air Vent Grill Nozzle A1688300054

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Mercedes GLC X253 Air Conditioning Compressor Refrigerant Hose A2538306700

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Mercedes-Benz S-Class W220 320 CDI Air Conditioning Con Pipe Hose A6132300456

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Mercedes Vito W447 Air Conditioning Condenser Compressor Pipe Line A4478307600

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

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Mercedes ML W163 270 CDI Air Con Compressor Pressure Line Hose Pipe A1635001372

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Mercedes Sprinter W910 Air Conditioning Pipe Refrigerant Hose Line A9108300000

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

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Mercedes W204 Heater Climate Control Switch Panel Air Conditioning A2049001007

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Mercedes W176 W246 Heater Climate Control Switch Panel Control Unit A2469008415

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Mercedes GLC X253 Air Conditioning Compressor Hose A/C Line A2538303001

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Air Conditioning Mercedes W211 C219 OM642 A/C Compressor Refrigerant Line Hose

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

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Mercedes W166 Air Conditioning Compressor Air Con 12V M651 Petrol A0008305100

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Mercedes W177 A/C Air Con Air Conditioning Compressor Pump M282 A0008303404

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Mercedes W205 Air Conditioning Cooling Radiator Condenser A/C A0995001354

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

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Mercedes W205 Diesel M626 Air Confitioning Pipe Refrigerant A/C Compressor Line

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

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Mercedes-Benz A-Class W168 Holder Pollen Filter Frame A1688302703

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Mercedes Citan W415 Heater Climate Control Panel A/C Air Con Switch 275708552R

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Air Conditioning Compressor Mercedes W221 OM646 Air Con A/C Unit A0032308411

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

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Mercedes Sprinter W906 Heater Blower Motor Fan Unit Diesel A0008356007

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Mercedes W211 A/C Heater Climate Control Unit Switch Panel A2118300890

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Mercedes W906 Carrier Air Conditioning Compressor A/C Bracket A6512340139

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Mercedes ML W166 OM651 Diesel Intercooler Air Charge Cooler A0995002900

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Air Conditioning Compressor Mercedes W211 Diesel OM646 A/C Pump A0022305111

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Mercedes W166 Air Conditioning Compressor OM642 Air Con A/C Unit A0032306011

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Mercedes W164 V251 A/C Air Condition Climate Heater Control Panel A2519060200

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Air Conditioning Pipe Mercedes W204 W207 W212 Refrigerant Hose Line A2048300415

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

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Mercedes W212 A/C Air Condition Compressor Pump A0032302911

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Mercedes Vito Viano W639 Air Conditioning Air Duct Channel Tube Rear A6398311745

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

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Climate Heater Control Mercedes C207 W212 Hazard Switch Panel Unit A2129005018

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Mercedes W205 Automatic Air Conditioning Switch Control Panel A2059054806

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Mercedes W251 Air Duct Channel Cabin Front Centre Tube A2518311345

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Mercedes W176 C117 CLA 45 AMG Petrol M133 Air Conditioning Compressor Hose

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Mercedes W211 Heater Control Unit Switch Panel Unit E-Class A2118300190

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Mercedes-Benz M-Class W163 Air Conditioning Condenser A1638300170

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Mercedes W176 W246 Air Conditioning Condenser Radiator A/C A2465000454

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

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Air Conditioning Panel Mercedes W213 C238 Climate Control Switch A2139054707

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Mercedes W204 C207 M271 Air Conditioning Pipe Line Refrigerant Hose A2048300615

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Mercedes W204 C207 M271 Air Conditioning Pipe Line Refrigerant Hose A2048300615

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Mercedes W204 Air Conditioning Unit Climate Control Switch Panel A2049006608

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Condenser Frame Mercedes W221 Radiator Cooler Mount Holder Bracket A2215050141

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Mercedes W204 Air Conditioning Unit Control Switch Panel Module A2049006608

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

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Mercedes W221 Pressure Hose Pipe Air Conditioning Condenser A2218302117

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Mercedes W176 Climate Heater Control Panel Air Conditioning Switch A2469003816

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

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Mercedes Sprinter W910 Air Vent Grill Front A9108303201

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Air Conditioning Pipe Mercedes W204 M271 Compressor Condenser Refrigerant Line

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Air Conditioning Panel Mercedes C117 W176 W246 Heater Control Switch A2469000715

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

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Air Conditioning Compressor Mercedes R172 W204 C207 Air Con A/C Pump A0032308611

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