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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Steering Wheel Switch Mercedes W176 W204 Multifunction Button Trim A1725400262

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Mercedes W166 Console Switch Panel Sat Navigation Knob Controller A1669002609

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Mercedes W447 Steering Column Cluster Switch Wipers Indicators Cruise Control

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Mercedes-Benz A C Class W168 W169 W203 Clutch Pedal Switch Sensor A0045452114

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Mercedes SLK R172 Air Conditioning Heater Blower Control Panel A1729008306

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Mercedes W639 Hazard Warning Light Switch Unit A6395454807

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Mercedes W169 W245 W251 Window Power Switch Lifter Control Unit A2518200510

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Mercedes W205 W222 W253 Steering Wheel Control Buttons Right O/S A0999050151

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Mercedes W221 Window Regulator Switch Front Driver Door Left A2218214051

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Trunk Switch Mercedes W205 Tailgate Lid Remote Control Button A2059051618

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Headlight Switch Mercedes A207 W204 W212 Switch Unit Button A2129050551

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Mercedes W177 Switch Cluster Steering Column Wiper Stalk Slip Squib A1779003902

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

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Mercedes W221 Steering Wheel Angle Slip Ring Indicator Wiper Stalk Switch

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Mercedes-Benz W203 C209 Climate Heater Control Unit Switch Panel A2038303085

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Mercedes Vito Viano W639 Headlight Switch Unit Control Button Knob A6395450204

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Mercedes W176 Steering Column Switch Cluster Wiper Stalk Automatic A2469004208

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Mercedes CLA C117 USB Port Socket Plug Control Panel Connector A1728202000

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Mercedes EQA H243 Switch Trunk Lid Opening Front Door Switch A1678205702

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Mercedes-Benz W202 C208 W210 Folding Wing Mirror Switch Button A2108202010

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Mercedes A205 Convertible Folding Top Operation Control Switch A2058203302

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Mercedes W169 W245 Front Window Switch Button Passenger Side A1698205210

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Mercedes C117 Steering Column Cluster Switch Cruise Control Stalk A2469004114

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Mercedes SLK R172 Window Lifter Wing Switch Front Driver Side Panel A1729057100

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Window Lifter Switch Mercedes W204 W212 Driver's Side Mirror Control A2128208210

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

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Mercedes W221 Seat Switch Memory Adjustment Front Right O/S A2218709358

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Mercedes W221 Seat Switch Panel Adjust Control Unit Rear Left A2218709458

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Mercedes-Benz ML W163 Sliding Roof Window Rear Interior Light Control Switch

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Mercedes W213 W222 W238 Electric Window Lifter Switch Button Unit A2229050309

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Mercedes-Benz Vaneo W414 Child Seat Recognition Warning Light Switch Button

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

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Mercedes Vito W639 Window Lifter Electric Switch Button Control Unit A6395450913

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

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

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Mercedes W205 Console Switch Panel Sat Navigation Knob Controller A2059005915

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Lights Switch Mercedes W177 W247 C118 Interior Lights Control Panel A2479052702

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

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Mercedes W177 Remote Key Radio Alarm Fob Button A1779055504

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Mercedes W211 Instrument Panel Center Switch Panel Wood Cover A2116803152

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Mercedes Vito Viano W639 Headlight Switch Unit Button Knob A6395450104

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Mercedes W415 Citan Mirror Adjustment Switch Control Unit Driver A4158100286

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Mercedes W177 Remote Key Radio Alarm Fob Button A1779056104

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Mercedes CL203 Center Hazard Control Switch Panel ESP A2038217858

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Mercedes C118 Headlight Indicator Transmission Switch Squib Stalk A1779006818

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Mercedes CL S Class C215 W220 Steering Angle Sensor Slip Ring Squib A0004640318

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Air Con Panel Mercedes W447 Heating Ventilation A/C Control Panel A4479005406

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Mercedes W205 Touch Pad Console Switch Panel Touchpad Controller A2059001934

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Steering Column Switch Mercedes W207 W212 Cluster Wiper Stalk Slip A2129006031

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Mercedes-Benz CL203 Center Hazard Control Switch Panel ESP A2038218979

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Mercedes W204 W212 Window Switch Driver's Door Button Power Fold A2049055402

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Mercedes W176 W246 W447 Steering Wheel Switch Multifunction Button A0999050700

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Mercedes A238 Touchpad Navi Media Control Media Controller A2139004219

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Steering Wheel Switch Mercedes W176 W204 Multifunction Button Trim A1725400262

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Mercedes-Benz E CLK Class C208 W210 Indicator Wiper Stalk Switch A2105450110

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Mercedes ML W166 Seat Adjustment Switch Front Door Right Black A1669052103

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Mercedes W221 Shift Paddle Steering Wheel Gear Switch Right O/S A2218702679

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Mercedes W205 X253 Estate Seat Switch Release Backrest Button A2059058404

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Window Switch Mercedes W169 W245 Driver Door Side Front Button A1698206710

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Mercedes E-Class S211 W211 Steering Wheel Button Switch Right O/S Multifunction

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Mercedes-Benz A-Class W168 Multifunctional Control Switch Panel A1688203710

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Mercedes-Benz E W207 Cabrio A207 Center Hazard Seats Control Switch Panel

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Steering Wheel Slip Mercedes W212 Ring Airbag Switch Indicator A2129007502

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Mercedes W213 Control Panel Comand Audio Switch Unit Module A2139009303

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Mercedes Sprinter W906 Electric Window Regulator Driver Side Switch A9065451513

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Mercedes-Benz C E W202 W210 Anti Theft Towing Protection Switch A2108201710

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Mercedes W205 X253 Console Switch Panel Sat Navigation Controller A2059005915

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Mercedes Vito W639 Window Switch Regulator Control Panel Electric A6395450713

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Mercedes CL203 S203 Switch Panel Heated Seats Lock Control Cover A2038700251

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Mercedes W205 W253 Fuel Flap Opener Switch Button A2059051813

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Mercedes Vito W447 Steering Column Cluster Switch Wiper Stalk A2469004120

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