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 W177 W205 W213 W910 Steering Wheel Contact Plate Switch A0994644905

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Mercedes C207 Steering Column Switch Cluster Wiper Indicator Stalk A2129008523

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Mercedes W204 Steering Wheel Switch Unit Multifunction Right O/S A2048210451

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Mercedes W204 Steering Wheel Switch Unit Multifunction Left N/S A2048210351

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Mercedes Sprinter W906 Steering Wheel Slip Ring Squib A9064640318

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Mercedes W176 Steering Column Cluster Switch Wipers Indicators Cruise Control

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Seat Switch Mercedes W169 W245 Front Seat Left N/S Adjustment Switch A1698205610

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Mercedes W169 W245 Radio Remote Alarm Key Fob Button A1697661706

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Mercedes W202 W210 Cruise Control Stalk Switch A2085450424

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Mercedes W470 Window Control Switch Button Rear Left Right N/O/S A4709059400

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Mercedes W204 Front Seat Regulator Adjustment Switch Right O/S A2048701758

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Mercedes-Benz W169 W203 W211 W906 Radio Remote Alarm Key Fob Button A9069058900

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Mercedes Sprinter W907 Steering Wheel Panel Cover Trim A9079057804

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Mercedes GLE W166 Centre Console Switch Panel Drive Mode Control A1669055202

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Mercedes-Benz C-Class W203 W204 1 Radio Remote Alarm Key Fob Button A2049051704

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Part no. A2106830475

Mercedes W210 Centre Console Ashtray Holder Trim Insert A2106830475

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Part no. A1777203502

Mercedes W177 Rear Window Control Button Switch Left Right N/O/S A1777203502

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Part no. A0025426518

Mercedes W168 W202 W210 Steering Angle Sensor Slip Ring Squib A0025426518

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Part no. A2469003720

Mercedes Vito W447 Steering Column Slip Switch Stalk Control Unit A2469003720

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Part no. A9065451513

Mercedes Sprinter W906 Electric Window Regulator Driver Switch A9065451513

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Mercedes GLC X253 Automatic Column Switch Cluster Wiper Indicators Stalk

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Mercedes C238 Switch Seat Regulation Door Adjustment Front Left N/S A2139050004

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Mercedes W164 R171 W211 C219 Steering Wheel Slip Squib Ring A1645458716

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Mercedes W204 W212 Steering Wheel Switch Multifunction Button Trim A2185400262

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Part no. A2116800552-1

Mercedes W211 Centre Console ESP Hazard Heated Seats Switch Panel A2116800552

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Part no. A1729006002

Mercedes R172 Steering Column Switch Wiper Indicator Stalk A1729006002

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Mercedes W212 Switch Control Button Tailgate Trunk Lid A2128210651

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Part no. A9069051601

Mercedes W906 Dashboard Panel Hazard ASR Locking ECO PDC Switch A9069051601

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Part no. A9079057804

Mercedes Sprinter W907 Steering Wheel Switch Panel Multifunction A9079057804

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Mercedes W211 Steering Wheel Button Switch Left Black Multifunction

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Part no. A0005452812-1

Mercedes W177 Brake Light Electrical Switch Button A0005452812

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Mercedes Vito W447 Dashboard Hazard Lights Panel Switch Black A4479050051

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Mercedes W176 Steering Column Cluster Switch Wipers Indicators Cruise Control

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Part no. A4479058100

Mercedes W447 Headlight Switch Dashboard Mounted Light A4479058100

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Part no. A4479001208

Blower Panel Mercedes Vito W447 Dashboard Heater A/C Control Switch A4479001208

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Part no. A2139054603

Switch Panel Mercedes W213 S213 Centre Console Clock Hazard Radio A2139054603

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Part no. A9079050507

Remote Key Mercedes W907 W910 Radio Alarm Fob Button A9079050507

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Part no. A1697661706-1

Mercedes-Benz A B Class W169 W245 Radio Remote Alarm Key Fob Button A1697661706

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Mercedes W204 Steering Column Cluster Indicator Wiper Stalk Squib A2129001730

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Mercedes W205 W447 X253 Window Lifter Switch Button Beige A2229052203

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Mercedes W205 W217 W222 W253 Steering Wheel Control Buttons Left N/S A0999050051

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Mercedes W205 Front Window Lifter Switch Driver's Side Control Panel A2139050000

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Part no. A2539000008-2

Mercedes GLC X253 Touch Pad Console Switch Panel Touchpad Controller A2539000008

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Mercedes W205 Trunk Lid Tailgate Hatch Control Switch Button Panel A2059051713

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Mercedes C205 Steering Column Switch Cluster Wiper Cruise Control A2059002123

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Switch Module Mercedes C238 Steering Column Wheel Automatic Gearbox A2139002823

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Part no. A6395450913

Mercedes Vito W639 Window Lifter Electric Switch Button Control Unit A6395450913

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Central Lock Switch Mercedes W205 W253 W447 Door Locking Button A2059055151

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Switch Mercedes C238 Center Console Left Panel ESP Suspension Control

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Mercedes W205 C238 Switch Panel Centre Console Clock Switch A2138272000

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Mercedes W251 Navigation Media Head Unit Radio Sat Nav Remote A2518705094

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Mercedes W176 Electric Window Lifter Control Switch Driver's Side A2929055000

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Mercedes Sprinter W906 Switch Button Multifunction Steering Wheel A9068200010

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Mercedes W216 W221 Multimedia Centre Console Control Unit Panel A2218706251

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Hazard Switch Mercedes W176 W246 Centre Console ECO Button Panel A2469051201

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Mercedes W221 S500 Dashboard A/C Switch Air Conditioning Panel A2218703610

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Key Reader Mercedes Vito W639 Ignition Lock Remote Control Module A6395450508

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Mercedes CLK W203 C209 Turn Signal Light Wiper Stalk Switch A2035450110

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Mercedes W213 Trailer Coupling Switch Block A2139055403

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Mercedes C292 Seat Adjustment Switch Front Left N/S Memory Button A1669058100

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Mercedes CLA C117 USB Port Socket Plug Control Panel Connector A1728202000

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Mercedes Vito Viano W639 Headlight Switch Unit Control Button Knob A6395450204

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£Mercedes-Benz W164 W203 W204 W211 Radio Remote Alarm Key Fob Button A2049051704

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Mercedes CL203 Steering Wheel Button Switch Right O/S Multifunction

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Hazard Switch Mercedes C117 W176 W246 Console PDC Button Panel A2469052902

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Window Switch Mercedes W169 W245 Driver Door Side Front Button A1698206710

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Mercedes-Benz C-Class W203 Steering Wiper Control Indicator Stalk A2035450310

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Mercedes R171 Dashboard Dash Hazard Light Lock Switch Panel Control A1718207810

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Mercedes CL203 Steering Wheel Button Switch Left N/S Multifunction A2308701710

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Mercedes A238 Roof Adjuster Control Switch Panel A2388208600

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Window Switch Mercedes W204 W212 Driver Door Front Button Power Fold A2049055402

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Mercedes ML W166 Switch Panel Center Console Hazards Seat Heating A1668702510

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

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Mercedes W169 W245 W203 Steering Angle Sensor Slip Ring Squib A1694640818

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Mercedes R350 V251 Steering Column Switch Wiper Automatic Gearbox A1645458616

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Mercedes W124 Regulating Switch Headlight Leveling System A1248000673

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Mercedes X156 Seat Heater Button Hazard Triangle Control Panel Block A1569054601

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Mercedes-Benz C E W202 W210 Kick Down Kickdown Sensor Switch Button A0045451714

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Part no. A1779003902-1

Mercedes W177 Switch Cluster Steering Column Wiper Stalk Slip Squib A1779003902

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Trunk Switch Mercedes W205 Tailgate Lid Remote Control Button A2059051618

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Part no. A2059051618

Trunk Switch Mercedes W205 Tailgate Lid Remote Control Button A2059051618

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Mercedes W169 W245 Steering Angle Sensor Slip Ring Air Squib A1695408145

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Mercedes W204 Window Switch Driver's Side Door Button Regulation A2048703558

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Mercedes C140 Seat Adjustment Switch Front Left N/S Memory Button A1408200510

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Mercedes Vito Viano W639 Headlight Fog Light Switch Unit Button A6395450504

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Mercedes-Benz M-Class ML W163 Indicator Wiper Stalk Switch A0015407645

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Mercedes C140 Seat Adjustment Switch Front Right O/S Memory Button A1408200610

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Mercedes W639 Steering Wheel Slip Squib Ring Stalk Switch Indicator A6394640618

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Mercedes W447 Steering Column Cluster Switch Wipers Indicators Cruise Control

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AC Switch Mercedes SLK R172 Air Conditioning Heater Control Panel A1729000912

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Mercedes R172 Steering Wheel Switch Multifunction Button Silver Trim A1725400362

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Mercedes Vito W447 Steering Column Slip Switch Stalk Control Unit A2469003720

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Mercedes W204 Headlight Light Switch Control Unit Button A2045453004

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Mercedes Vito W639 Door Window Control Switch Button Passenger Side A6395451413

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Tailgate Open Button Mercedes W205 W212 GLC X253 Rear Bootlid Switch A2128210551

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Mercedes W204 Switch Panel Centre Console Sport ECO PDC Heated Seat A2049050902

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Mercedes W177 Touch Pad Centre Console Switch Panel Touchpad Unit A2479003903

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Mercedes W164 Steering Column Switch Cluster Wiper Stalk Slip Squib A1644406401

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Seat Adjustment Switch Mercedes W213 Front Door Left N/S Switch A2059057903

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Mercedes GLE C292 Coupe Window Switch Rear Door Left Right N/O/S A2929054800

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