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 C253 Steering Wheel Switches Multifunction Button A0999050200

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Mercedes Vito W639 Door Window Control Switch Button Passenger Side A6395451413

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Mercedes W906 Dashboard Panel Hazard ASR Locking PDC Switch Button A9068701310

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

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Mercedes W205 X253 Estate Seat Switch Release Backrest Button A2059058404

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

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

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Mercedes SLK R171 Window Lifter Switch Regulator Button Unit A1718208810

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Steering Column Switch Mercedes W638 W901 Cluster Indicator Wiper A0015404645

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Mercedes W205 W253 Centre Console Switch Controller Panel Unit A2059009927

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Mercedes-Benz S-Class W221 Interior Inside Air Temperature Sensor A2218300672

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Mercedes W205 Turn Signal Wiper Indicator Stalk Squib Switch 30S10090978

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Mercedes-Benz M-Class ML W163 Interior Lighting Switch Button A1638203610

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Mercedes W203 W204 Brake Pedal Switch Stop Reverse Light A2035450106

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WIndow Lifter Switch Mercedes Vito W639 Rear Window Right Left A6398201110

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Mercedes W169 W245 Radio Remote Alarm Key Fob Button A1697661706

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Mercedes C238 Window Switch Mirror Adjustment Front Driver Side A2139055103

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Remote Key Mercedes W639 Vito Viano Radio Alarm Fob Button A6397662106

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

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Steering Column Switch Mercedes W211 C219 Angle Sensor Indicator Cruise Control

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Mercedes ML W166 GLE C292 Switch Driving Mode Center Console A2929058900

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Mercedes-Benz C-Class W203 Center Hazard Control Switch Panel ESP A2038204910

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Mercedes W205 X253 Estate Seat Switch Release Backrest Button A2059058404

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Mercedes W212 Heater Blower Air Conditioning Control Panel Switch A2129000128

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

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Mercedes W169 W204 Headlight Cap Cover Trim Light Lamp A1698200149

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Mercedes A205 Convertible Folding Top Operation Control Switch A2058203302

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Mercedes CL203 Center Hazard Control Switch Panel ESP A2038217858

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Mercedes Sprinter W906 Window Lifter Switch Button Passenger's Side A9065450913

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

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Mercedes CLS W219 A/C Air Conditioning Climate Control Switch Panel A2198303985

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Window Lifter Switch Mercedes Sprinter W907 Passenger Door Switch A9079050504

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Mercedes W907 Window Switch Lifter Regulation Front Left Door N/S A9079054507

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Part no. A9079001105

Mercedes Sprinter W907 W910 Steering Column Tube Slip Switch Stalk A9079001105

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Part no. A2098702010

Mercedes CLK W209 Convertible Cabrio Folding Top Switch Roof Button A2098702010

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Part no. A2128210651

Mercedes W212 Switch Control Button Tailgate Trunk Lid A2128210651

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Mercedes R172 Switch Controller Panel Command Sat Nav Navigation A1729001505

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Mercedes C209 Front Left N/S Seat Switch Control Module Unit A2118701726

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

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Lights Switch Mercedes C238 Dashboard Lights Control Panel A2059055508

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Mercedes W204 W212 Steering Wheel Switch Multifunction Button Trim A2185400262

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

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

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Mercedes ML W166 Seat Adjustment Switch Front Door Right Black A1669052103

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Mercedes W177 Touch Pad Centre Console Switch Panel Touchpad Unit A2479004103

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Mercedes W202 W210 Centre Hazard Light Door Locking Switch A2088200310

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

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Mercedes W177 Remote Key Radio Alarm Fob Button A1779055504

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Steering Wheel Switch Mercedes W176 W204 Multifunction Button Trim A1725400262

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Mercedes C118 Remote Key Radio Alarm Fob Button A1779056706

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Mercedes W205 C253 Steering Wheel Switches Multifunction Button A0999050200

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Mercedes R172 A/C Climate Heater Control Switch Module Unit Panel A1729002103

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Mercedes W177 Remote Key Radio Alarm Fob Button A1779051303

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Mercedes W177 Remote Key Radio Alarm Fob Button A1779056104

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Mercedes Vito W447 Light Switch Headlamp Control Panel Unit A4476891039

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

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Mercedes W221 Switch Panel Dashboard Dash PDC Suspension Unit A2218215451

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Mercedes W205 W447 Window Lifter Switch Button Left Right N/O/S A2229052203

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Start Stop Switch Mercedes W176 W204 W212 W218 Engine Button Unit A2215450714

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Mercedes W204 Hazard Warning Light ESP Switch Button Unit A2049051900

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Mercedes W213 C217 W222 W238 Remote Key Radio Alarm Fob Button A2229056109

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Headlight Switch Mercedes Vito Viano W639 Button Knob Unit A6399050000

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Mercedes ML W164 Switch Panel Left N/S Front Seat Adjustable Memory A1648704310

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Mercedes W204 Air Conditioning Unit Climate Control Switch Panel A2048304190

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

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Mercedes GLE C292 Coupe Touchpad Center Console Multimedia Switch A1669006514

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

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Mercedes SLK R171 Wing Mirror Adjustment Adjust Switch Power Fold A1718204310

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Mercedes W206 W223 Door Window Lifter Switch Front Passenger Side A2239051903

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Control Panel Mercedes W204 Dashboard Radio Sat Nav Switch Block A2049050302

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Mercedes ML W166 Automatic Steering Column Stalk Turn Signal Cruise Control

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Mercedes-Benz A W168 Cruise Control Tempomat Stalk Switch Petrol A1685450424

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Mercedes W204 Steering Column Switch Cluster Wiper Stalk Slip Squib A2044401401

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Mercedes W166 Switch Cluster Steering Column Wiper Stalk Slip A1669008707

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Mercedes Sprinter W906 Indicator Wiper Stalk Control Switch A9065450110

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

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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 W204 W212 Radio Control Function Button Knob Controller A2048709958

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Mercedes-Benz C E W202 W210 Switch Temperature Sensor Air Con A/C A2108300072

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

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Mercedes W205 C253 Steering Column Switch Indicator Wiper A2059000646

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Mercedes Sprinter W906 Switch Button Multifunction Steering Wheel A9068200010

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Mercedes Vito W639 Ignition Switch Barrel Lock Control Unit A6399006600

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

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

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Switch Mercedes W205 X253 Rear Right Seat Trim Switch Beige A2059052113

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Mercedes R172 Steering Wheel Contact Switch Control Plate A2184640817

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Mercedes W211 Gearbox Rear Mount Bracket Holder Diesel A2112421001

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Mercedes Vito Viano W639 Headlight Switch Unit Button Knob A6395450204

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Mercedes W219 Steering Column Cluster Switch Wiper Indicator Stalk A2115450116

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Mercedes W205 Touch Pad Console Switch Panel Touchpad Controller A2059008918

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