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 W205 X253 Estate Seat Switch Release Backrest Button A2059058404

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Mercedes W205 Steering Column Switch Module Wipers Indicator Cruise Control Auto

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

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Remote Key Mercedes W177 W205 W213 W222 Radio Alarm Fob Button A2059053609

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Mercedes W205 W253 Centre Console Switch Controller Panel Unit A2059009927

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Handbrake Switch Mercedes W213 S213 Electric Parking Brake Button A2139053803

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Mercedes W205 Turn Signal Wiper Indicator Stalk Squib Switch 30S10090978

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Mercedes W168 Hazard Warning Light Window Lock Switch A1688206710

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Mercedes W177 Remote Key Radio Alarm Fob Button A1779055504

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Mercedes ML W166 GLE C292 Switch Driving Mode Center Console A2929058900

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Mercedes W177 Window Lifter Switch Front Passenger's Side Button A1679050201

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Mercedes W205 PDC Driving Mode Switch Center Console Lower Right O/S A2059056907

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Mercedes C118 Remote Key Radio Alarm Fob Button A1779056706

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Mercedes W177 Remote Key Radio Alarm Fob Button A1779051303

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Steering Column Switch Mercedes W171 W211 Stalk Indicator A1715402245

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Mercedes W177 Remote Key Radio Alarm Fob Button A1779056104

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Mercedes W140 Window Switch Mirror Adjustment Front Driver Side A1408213051

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Mercedes W639 Electric Sliding Roof Button Switch A6395452607

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Mercedes CLS C219 Switch Panel Centre Console ESP Hazard Heated Wood A2118210981

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Mercedes W211 Centre Console ESP Hazard Seat Switch Panel Storage Box

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Mercedes W211 Seat Switch Adjustment Control Button Front Right O/S A2118211258

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Mercedes W205 Window Lifter Switch Front Driver Side Control Panel A2139050000

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Mercedes C140 Window Glass Child Lock Button Switch Control A1408217551

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Mercedes W251 Door Trim Moulding Front Right O/S Obsidian Black Metallic - 197

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

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

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Mercedes W204 Ignition Switch Lock Control Unit Module Key A2075450108

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Steering Stalk Mercedes W164 W251 Wiper Indicator Cruise Switch A1645458716

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Mercedes Vito W639 Window Switch Regulator Control Panel Electric A6395450713

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Mercedes W176 W246 W447 Steering Wheel Switch Multifunction Button A0999050700

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Mercedes-Benz Vito Viano W639 Steering Wheel Slip Ring Airbag Squib A6394640218

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Mercedes SLK R171 Window Lifter Switch Driver's Side Regulator A1718205510

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Mercedes W204 Dashboard Switch Control Panel Heated Seats PDC Button A2049051100

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Control Switch Mercedes W169 W245 Cruise Stalk Indicator Lever A1695450004

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Mercedes SLK R172 Air Conditioning Heater Blower Control Panel A1729008306

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Mercedes W251 Door Trim Moulding Front Right O/S Calcite White - 650 2516902262

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Mercedes C140 PDC Parking Sensor Switch Button Control Panel A1408217051

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Mercedes W168 W203 W210 Door Contact Interior Light Switch A1688201910

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Mercedes-Benz S-Class W220 Dash Control Panel Hazard Switch Cluster A2208217558

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Column Switch Mercedes SLK R172 Turn Signal Wipers Cruise Control Stalk

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Mercedes A205 Automatic Column Cluster Switch Indicators Wipers A2059001638

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Mercedes GLE C292 Coupe Touchpad Center Console Multimedia Switch A1669006514

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Mercedes-Benz CL S Class C215 W220 Indicator Wiper Stalk Switch A0285456932

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Mercedes Vito W447 Steering Column Cluster Switch Wiper Stalk A2469004120

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

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Mercedes CLS X218 Switch Suspension Height Driving Mode A2128207310

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Start Stop Switch Mercedes W177 W247 W907 Engine Button Unit A1779051001

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Mercedes R171 Seat Switch Adjustment Front Left N/S Control Button A1718205710

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Mercedes W213 C238 Steering Wheel Contact Plate Switch Mount Panel A0994645202

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Mercedes W639 Hazard Warning Light Switch Unit A6395454807

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Switch Panel Mercedes W205 C238 Centre Console Clock Switch A2138272000

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Mercedes W204 Headlight Light Switch Control Unit Button A2045453004

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Lights Switch Mercedes W177 W247 C118 Interior Lights Control Panel A2479052702

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