What is the construction and purpose of switches, controls, and ignition locks?

Switches, controls, and ignition locks are parts responsible for transmitting commands to the car's electrical and mechanical systems. A typical component consists of a housing, contacts, a connector, a button, a knob, or an ignition barrel, depending on the application. These parts are mounted in the vehicle cabin, most often at the steering column, on the dashboard, in the doors, or in the center console. Their task is to provide convenient and precise control of car functions.

What are switches, controls, and ignition locks used for?

Switches, controls, and ignition locks are used to operate lights, wipers, windows, mirrors, locks, heating, and to start the ignition. They are responsible for transmitting a signal to the appropriate module or receiver, so their efficiency directly affects driving comfort and safety. In the case of the ignition lock, cooperation with the steering lock, immobilizer, and starting system is also important.

What role does the control signal play in the operation of these components?

A control signal is information transmitted after activating a button, switch, or ignition lock. It is used to turn on, turn off, or change the operating mode of a specific vehicle system, for example, lights or windows. In practice, its correct transmission depends on the condition of the contacts, connector, wiring harness, and the part's compatibility with the car's electronics. Even slight wear on pins or the mechanism can cause intermittent function operation.

How to choose a switch or ignition lock for a specific car?

It is best to compare the OEM part number, interchangeable numbers, vehicle placement, and equipment version. It is also worth checking the transmission type if the component works with a specific locking system or control panel. For door and console elements, color, mounting side, and button layout are also important.

What symptoms indicate wear of switches, controls, or ignition locks?

Typical symptoms include no response when pressed, intermittent operation, mechanism sticking, lack of backlighting, or play in the button or knob. In the ignition lock, there may be difficulties turning the key, problems with the ignition position, or incorrect steering column unlocking. Such signals should be compared with the condition of the connectors and housing before purchasing a replacement part.

What should be checked before installing a used control element?

Before installation, it is good to assess the condition of the clips, pins, housing, and button surfaces, and compare the part with the old element. Check if the mounting points, plug type, and functions supported by the module match. For parts from door panels or consoles, ensure the element matches the interior trim and cooperating components.

Switches & Controls

At Global Parts automotive store we offer a wide selection of original used car parts including switches, controls and ignitions for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen and others. The switches, controls and ignitions we offer undergo quality control so that you can be sure that you are getting a top-class product.

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Mercedes W211 Seat Switch Adjustment Front Right O/S Control Button A2118701110

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Mercedes W205 Touch Pad Console Switch Panel Touchpad Controller A2059008918

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Mercedes W204 Cover Trim Multifunction Switch Steering Wheel A0994640813

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Mercedes W212 Switch Control Button Tailgate Trunk Lid A2128210651

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Steering Wheel Multifunction Mercedes W205 C253 Switch Button Trim A0999050200

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Mercedes W177 Touch Pad Centre Console Switch Panel Touchpad Unit A2479003903

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Steering Column Cluster Mercedes W176 W246 Indicator Stalk Slip A2469003420

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Mercedes W205 Touch Pad Console Switch Panel Touchpad Controller A2059004819

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Steering Column Switch Mercedes W211 W219 Stalk Indicator A1715400144

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Hazard Switch Panel Mercedes W117 W156 W176 W246 Control Unit A2469058202

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Mercedes W906 Sprinter Headlight Control Switch Light Lamp Unit A9069052401

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Mercedes CLA C117 USB Port Socket Plug Control Panel Connector A1728202000

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Mercedes Vito W639 Air Suspension Control Switch Button Panel A6396310208

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Mercedes W169 W245 W203 Steering Angle Sensor Slip Ring Squib A1694640818

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Mercedes SLK R171 Wing Mirror Adjustment Adjust Switch Power Fold A1718204310

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Mercedes W204 Seat Adjustment Switch Control Panel Front Left N/S A0008007978

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Steering Column Switch Mercedes W171 W211 Stalk Indicator A1715402245

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Mercedes W204 Radio Audio Comand Control Button Knob Controller A2048707658

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Mercedes W205 X253 Console Switch Panel Sat Navigation Controller A2059005915

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USB Port Mercedes W176 W207 W212 W246 Socket Plug Connector Unit A1728202826

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Steering Wheel Switch Mercedes R171 W203 Multifunction Right O/S A1718209610

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Window Lifter Switch Mercedes W204 W212 Mirror Control Driver's Side A2049055302

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Mercedes W212 A/C Air Con Climate Heater Control Unit Switch Panel A2129004525

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Mercedes C118 Headlight Indicator Transmission Switch Squib Stalk A1779006818

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Mercedes W221 Window Lifter Switch Driver's Side Mirror Control A2218214951

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Trunk Switch Mercedes S212 ML W164 Control Button Tailgate Trunk Lid A2118219551

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Switch Mercedes C238 Center Console Left Panel ESP Suspension Control

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Mercedes W212 Seat Switch Panel Adjustable Electric Left N/S A2048701858

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Steering Column Switch Mercedes W638 W901 Cluster Indicator Wiper A0015404645

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Start Stop Switch Mercedes W177 W247 W907 Engine Button Unit A1779051001

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Mercedes A C Class W169 W203 Steering Angle Sensor Slip Ring Squib A1694640618

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Mercedes W447 Headlight Switch Dashboard Mounted Light A4479058100

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Mercedes W176 Steering Column Switch Cluster Wiper Stalk Automatic A2469004208

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Mercedes W204 Steering Column Cluster Indicator Wiper Stalk Squib A2129008014

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Mercedes W204 Key Reader Ignition Lock Remote Control Unit Module A2079057101

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Seat Adjust Switch Mercedes W219 Control Panel Front Left N/S A2198700110

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Key Reader Mercedes Vito W639 Ignition Lock Remote Control Module A6395450508

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Mercedes A-Class W168 Dashboard Centre Right O/S Air Vent Black A1688300854

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Shift Paddle Mercedes R171 Steering Wheel Gearshift Switch Left A2308702810

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Mercedes W639 Vito Dashboard Control Panel Hazard Lights Switch ASR PDC Heating

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Hazard Switch Mercedes W176 W246 Centre Console ECO Button Panel A2469055602

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Mercedes W204 W212 Steering Wheel Switch Multifunction Button Trim A2185400262

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Mercedes W204 Locking Switch Button Front Door Left N/S A2048706310

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Mercedes-Benz Sprinter W906 Steering Wheel Slip Ring Airbag Squib A9065402545

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Mercedes C140 Window Glass Child Lock Button Switch Control A1408217551

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Steering Wheel Switch Mercedes W176 W204 Multifunction Button Trim A1725400262

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Mercedes Vito W639 Ignition Switch Barrel Lock Control Unit A6399006600

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Mercedes W213 C238 Steering Wheel Contact Plate Switch Mount Panel A0994645202

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Mercedes W221 Steering Column Electrical Adjustable Stalk Switch A1645403245

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Mercedes-Benz W169 W245 Dash Dashboard Switch Panel Heated Seats PDC A1698208910

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Mercedes S205 Estate GLC C253 Seat Release Backrest Switch Left N/S A2059056611

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Steering Switch Mercedes W164 Column Cluster Wiper Stalk Slip Squib A1645450516

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Headlight Switch Mercedes X156 W204 W246 Fog Light Control Panel A2049053003

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Mercedes Vito W447 Steering Column Slip Switch Stalk Control Unit A2469003720

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Mercedes Vito W447 Steering Column Slip Switch Stalk Control Unit A2469003720

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Switch Mercedes W205 X253 Rear Right Seat Trim Switch Beige A2059052113

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Smart W452 Electric Window Regulator Switch Left Right N/O/S Q0009638V003

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Mercedes X218 CLS350 Switch Seat Adjustment Front Right O/S Doors A2048701658

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Switch Knob Mercedes W176 W246 Comand Sat Nav Navigation Controller A2469009815

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Mercedes W205 W253 Centre Console Switch Controller Panel Unit A2059009927

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Mercedes W169 W245 Wiper Control Indicator Stalk Switch A1695450210

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Mercedes W164 Ignition Switch Lock Control Module A1645450908

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Mercedes Vaneo W414 Front Door Window Regulation Switch Button A4145450807

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Mercedes W176 Steering Wheel Switch Multifunction Button Trim A0004603303

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