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 ML W164 Trunk Switch Control Button Release Boot Tailgate A2518201210

£18.95

Part no. RHD-A2319058900

Mercedes SL R231 Seat Adjustment Switch Memory Button Front Left N/S A2319058900

£94.95

Part no. A1708201510

Mercedes SLK R170 Power Window Lifter Switch Front Door Regulation A1708201510

£18.95

Part no. A2059009639-1

Mercedes S205 Steering Column Cluster Control Switch Wipers Indicators Automatic

£165.95

Part no. A2049050500

Mercedes W204 PDC Parking Sensor Switch Control Button A2049050500

£18.95

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Mercedes W205 Console Switch Panel Sat Navigation Knob Controller A2059005915

£37.95

Part no. A2469064400-1

Heater Matrix Flap Control Mercedes W176 W246 C117 Flap Motor Unit CZ113930-0856

£23.95

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Mercedes SLK R172 Air Conditioning Heater Control Switch Panel A1729004204

£142.95

Part no. A2478203902

Mercedes W177 W247 USB Port Socket Plug Control Panel Connection A2478203902

£18.95

Part no. rhd-A2215451304

Mercedes C216 W221 Head Light Switch Trim Right O/S Instrument Panel A2215451304

£23.95

Part no. A6398200810

Mercedes Vito W639 Steering Wheel Control Button Switches A6398200138

£37.95

Part no. A2059006816

Mercedes W205 Console Switch Panel Sat Navigation Knob Controller A2059006816

£51.95

Part no. A2469054901

Seat Switch Mercedes W176 W246 Adjustment Control Front Right O/S A2469054901

£66.95

Part no. A9068700210

Mercedes W906 VW Crafter 1 Dashboard Panel Hazard ASR Locking Switch A9068700210

£13.95

Part no. rhd-A2205450704

Mercedes-Benz S-Class W220 Headlight Control Switch Unit Button A2205450704

£13.95

Part no. A9068200010-1

Mercedes Sprinter W906 Switch Button Multifunction Steering Wheel A9068200010

£13.95

Part no. A2469052301

Mercedes W176 W246 Centre Console Hazard Switch ECO PDC Button Panel A2469052301

£42.95

Part no. A0005445931

Mercedes W906 Headlight Adjuster Switch Light Control Unit A0005445931

£13.95

Part no. A2049058102-1

Mercedes-Benz A C E W176 W204 W212 1 Front Door Power Window Regulation Switch

£13.95

Part no. A2118218558

Mercedes W211 Dashboard Switch Panel Strip Seat Heater A2118218558

£28.95

Part no. rhd-A2217201789

Mercedes-Benz W221 Switch Window Lifter Trim Cover Front Left N/S A2217201789

£18.95

Part no. A2479055403

Mercedes W177 Saloon Trunk Switch Tailgate Boot Open Release Button A2479055403

£18.95

Part no. A1728207410

Mercedes SLK R172 Retractable Switch Limiter Sensor Limit A1728207410

£13.95

Part no. A2218700658

Mercedes W221 S65 Switch Seat Adjustment Left N/S Front Door Control A2218700658

£23.95

Part no. A2518200510-1

Mercedes W169 W245 W251 Power Window Switch Control Grey A2518200510

£13.95

Part no. A9069052000

Mercedes Sprinter W906 Steering Wheel Switch Panel Multifunction A9069052000

£13.95

Part no. A2059058105

Control Panel Mercedes W205 Automatic Air Conditioning Switch A2059058105

£18.95

Part no. A2198200210

Mercedes CLS C219 Front Seat Switch Right O/S Panel Adjustment A2198200210

£37.95

Part no. A2059057903

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

£18.95

Part no. A2129051302

ES Switch Mercedes C207 W212 Eco Sport Control Driving Mode Button A2129051302

£13.95

Part no. A2469008417-1

Slip Ring Mount Mercedes W176 W246 Steering Wheel Ring Switch Cover A2469008417

£13.95

Part no. A2139050204

Seat Switch Mercedes W213 W238 Heater Heated Control Rear Left N/S A2139050204

£13.95

Part no. A6396950457

Mercedes W639 Rear Window Switch Control Button Left Right N/O/S A6396950457

£28.95

Part no. A2128207210

Hazard Switch Mercedes W212 Dashboard Warning Light Button Unit A2128207210

£13.95

Part no. A0999052101

Shift Paddle Mercedes W205 W213 Steering Wheel Gear Switch Left N/S A2308702810

£37.95

Part no. A4476891039

Mercedes Vito W447 Light Switch Headlamp Control Panel Unit A4476891039

£23.95

Part no. rhd-A2218700079

Mercedes W221 Seat Switch Panel Adjust Control Unit Rear Left N/S A2218700079

£13.95

Part no. A1714640918-3

Mercedes SLK R171 Steering Wheel Function Clock Spring Contact Slip Ring

£75.95

Part no. A2129050800

ESM Switch Mercedes W207 W212 Drive Transmission Mode Select Button A2129050800

£13.95

Part no. A2184640817-1

Mercedes R172 Steering Wheel Contact Switch Control Plate A2184640817

£37.95

Part no. A2057370900

Mercedes W205 Window Lifter Switch Regulator Trim Rear Left N/S A2057370900

£13.95

Part no. A2478208602

Mercedes W177 C118 W247 USB-C Type Rear Charging Data Port A2478208602

£13.95

Part no. RHD-A2515456204

Mercedes V251 Headlight Fog Light Adjustment Switch Control Panel A2515456204

£23.95

Part no. A2129057100

Headlight Switch Mercedes C207 W204 W212 Fog Light Unit Button Panel A2129057100

£42.95

Part no. A9069052000-1

Mercedes Sprinter W906 Steering Wheel Switch Panel Multifunction A9069052000

£28.95

Part no. A2059055151-1

Central Lock Switch Mercedes W205 W253 W447 Door Locking Button A2059055151

£13.95

Part no. A2215403345

Mercedes C216 W221 Steering Column Control Switch Wipers Indicators A2215403345

£13.95

Part no. A1645403245

Mercedes W221 Steering Column Electrical Adjustable Stalk Switch A1645403245

£13.95

Part no. A2215403845

Mercedes W221 Switch Turn Signal Steering Column Indicator Stalk A2215403845

£42.95

Part no. A2478200301

Mercedes W177 W247 USB C Port Socket Plug Control Panel Connector A2478200301

£28.95

Part no. A1728204210

Mercedes SLK R172 Cabrio Folding Top Roof Lock Limit Switch A1728204210

£18.95

Part no. RHD-A4158210081

Mercedes W415 Window Lifter Switch Front Passenger Side Control A4158210081

£13.95

Part no. A4154400015

Mercedes W415 Citan Hazard Warning Light Switch Button Unit A4154400015

£23.95

Part no. A2129056001

Mercedes C207 Shocker Comfort Control Switch Lower Field Right O/S A2129056001

£37.95

Part no. A2128204410

Mercedes C207 W212 Trunk Switch Tailgate Lid Remote Control Button A2128204410

£13.95

Part no. A9068260038

Mercedes W906 Headlight Adjuster Switch Light Control Unit A9068260038

£13.95

Part no. A2118206510

Mercedes W211 PDC Switch Parking Sensor Button Control A2118206510

£13.95

Part no. A2469056903

Seat Switch Mercedes X156 W176 Adjustment Memory Front Right O/S A2129059600

£85.95

Part no. A0015456709-1

Mercedes W169 W211 Parking Brake Stop Pedal Light Switch A0015456709

£13.95

Part no. A1728200515

USB Port Mercedes W204 W212 Socket Plug Centre Console Connector A1728200515

£18.95

Part no. A2049053103-1

Mercedes W204 Headlight Switch LED Control Unit Module Button A2049053103

£13.95

Part no. A1725400262

Steering Wheel Switch Mercedes W176 W204 Multifunction Button Trim A1725400262

£66.95

Part no. A4157200148

Mercedes W415 Power Window Switch Regulation Front Left Door N/S A4157200148

£18.95

Part no. RHD-A2312671000

Mercedes SL63 AMG R231 Automatic Gear Selector Lever Mechanism A2312671000

£474.95

Part no. A2038706810

Mercedes A209 Seat Control Switch Button Panel A2038706810

£28.95

Part no. A2218701151

Mercedes W221 Door Card Seat Control Panel Switch Front Right O/S A2218701151

£23.95

Part no. A2184640117-1

Contact Plate Mercedes W204 W212 Steering Wheel Module Shift Paddles A2184640117

£66.95

Part no. A0005453522

Mercedes W203 Steering Column Adjustment Stalk Switch A0005453522

£13.95

Part no. rhd-A1715451204

Mercedes SLK R171 Headlight Switch Unit Button Lights Control A1715451204

£37.95

Part no. A1779052404

Mercedes W177 Control Switch Unit Panel Traction Operating Unit A1779052404

£28.95

Part no. A2118216958

PDC Switch Mercedes W211 CLS W219 Parking Sensor Button Control A2118216958

£13.95

Part no. A2048705910

Mercedes W204 Switch Control Panel Centre Console Seat Heater Heated A2048705910

£23.95

Part no. A1686890580

Mercedes-Benz A-Class W168 Headlights Adjustment Switch Panel Trim A1686890580

£13.95

Part no. A0015459609

Mercedes Vito Viano W639 Brake Pedal Switch Stop Reverse Light A0015459609

£13.95

Part no. A2059008726

Mercedes W205 Touch Pad Console Switch Panel Touchpad Controller A2059008726

£66.95

Part no. A1728202000

Mercedes CLA C117 USB Port Socket Plug Control Panel Connector A1728202000

£75.95

Part no. A2464601503

Mercedes W204 Steering Wheel Switch Multifunction Button Trim A2464601503

£28.95

Part no. A2038706310

Mercedes W203 C209 Switch Panel Hazard Light Block Lock ESP Button A2038706310

£18.95

Part no. A2479052902

Light Switch Mercedes W177 W247 Headlight Control Button Panel Unit A2479052902

£13.95

Part no. A2059053609

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

£75.95

Part no. rhd-A1695451504

Mercedes W169 Headlight Light Lamp Switch Control Unit Module Panel A1695451504

£13.95

Part no. RHD-A0999051404-2

Mercedes W205 Steering Wheel Switch Button Left N/S Control Unit A0999051404

£237.95

Part no. A2218700451

Mercedes W221 Control Switch Multifunction Steering Wheel Unit A2218700451

£104.95

Part no. A2128700710-1

Seat Switch Mercedes C207 W212 Memory Adjustment Front Right O/S A2128700710

£61.95

Part no. A0999056807

Shift Paddle Mercedes W166 W177 Steering Wheel Gear Switch SET A0999056807

£85.95

Part no. A1679050201-1

Window Lifter Switch Mercedes W177 W247 Passenger's Side Button Unit A1679050201

£23.95

Part no. A2059058009

Mercedes W205 PDC Parking Assist Sensor Switch Control Button A2059058009

£23.95

Part no. A1688203710

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

£13.95

Part no. rhd-A1645453304

Mercedes ML W164 Headlight Switch Control Unit Button Panel A1645453304

£13.95

Part no. A2056880000-2

Mercedes W205 Headlight Switch Unit Light Control Panel A2056880000

£18.95

Part no. A1669006406

Mercedes ML W166 Automatic Steering Column Stalk Turn Signal Cruise Control

£237.95

Part no. A2079054900

Mercedes W207 Switch Panel Heated Seats PDC ECO Control Unit A2079054900

£18.95

Part no. A1648700558

Mercedes ML W164 Steering Wheel Multifunction Button Switch Left N/S A1648700558

£23.95

Part no. A1648700658

Mercedes ML W164 Steering Wheel Multifunction Button Switch Right O/S 1648700658

£23.95

Part no. A2059057207

Lights Switch Mercedes W205 X253 Dashboard Lights Control Panel A2059057207

£28.95

Part no. rhd-A2035452504-1

Light Switch Mercedes CL203 Headlight Switch Unit Button A2035452504

£13.95

Part no. A2129056200

Trunk Switch Mercedes W204 W212 Tailgate Lid Remote Control Button A2129056200

£13.95

Part no. A2198303285

Mercedes C219 Air Conditioning Heater Blower Control Panel A2198303285

£28.95

Part no. A2218704579

Mercedes W221 Door Window Lifter Control Switch Front Rear A2218704579

£13.95

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