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<h2>Functions of the headlight control module</h2>The automotive headlight control module is a crucial component that automatically manages the vehicle's entire headlight system. By connecting sensors and using intelligent algorithms, it precisely controls the headlights on/off, brightness, and high/low beam.The module&nbsp;continuously detects ambient light, automatically turning on the headlights when it senses darkness to ensure sufficient illumination. It&nbsp;also dynamically adjusts the headlights' projection and beam distribution based on parameters like speed and steering, optimizing the lighting.Furthermore, the module&nbsp;manages other external lights like daytime running lights and fog lights, ensuring coordinated operation to enhance overall lighting and safety. As the "brain" of the modern automotive lighting system, the module's functionality will become increasingly advanced with technological progress.<h2>Symptoms of a Broken Headlight Control Module</h2>A broken headlight control module can cause several issues. Watch for these signs: 1. Headlights Won&rsquo;t Turn On: Headlights may not light up or may flicker. 2. Problems with High/Low Beams: Difficulty switching between beams, or one beam may not work. 3. Automatic Leveling Issues: Headlights may not adjust properly if your car has automatic leveling. 4. Erratic Behavior with Other Lights: The headlamp control module may affect turn signals or daytime running lights. 5. Flickering Lights: Headlights may flicker or dim. For reliable replacements, choose a headlight module from A-Premium.com to ensure optimal performance.<h2>The Headlight control module replacement</h2>To replace a headlight control module, first locate the module, typically found in the engine bay near the battery or fuse box. Begin the procedure by disconnecting the negative battery cable. This safety step helps prevent any potential electrical shorts during the repair work. Then, consult your vehicle's repair manual to identify the specific steps required to access the control module, which may involve removing components like the air intake or battery tray.With access gained, unplug the electrical connector(s) from the rear of the control module and remove any screws, clips, or other fasteners holding it in place. Carefully extract the old module and set it aside. Next, install the new replacement control module, reconnect the electrical connector(s), and secure it with the appropriate fasteners.Afterward, reconnect the negative battery cable and turn on the ignition. Test the new headlight control module&nbsp;by activating the headlights and ensuring both the left and right lights are functioning correctly. Finally, clear any diagnostic trouble codes that may have been set during the repair process, and then reassemble any components you had to remove to access the module.<h2>Why choose the A-Premium headlight control module</h2>The A-Premium Headlight Control Module offers essential protection and reliability for your vehicle's lighting system. It features built-in overload protection, which safeguards your electrical system and prevents damage to headlights and wiring. This helps extend the lifespan of your vehicle&rsquo;s components. With Plug and Play installation and threaded mounting holes, setting up the headlamp control module is quick and hassle-free &mdash; no additional modifications are needed. Crafted from durable, high-quality materials, it&rsquo;s built to withstand harsh weather and challenging road conditions, ensuring reliable performance. Plus, A-Premium backs every headlamp control module with a long-term warranty, giving you peace of mind with easy replacement or refund options if any issues arise.

Headlight Control Module

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Air Cleaner

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Air Filter Box

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Mass Air Flow Sensors/Car MAF Sensors | A-Premium

Air Flow Sensor

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Air Intake Duct

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Air Intake Hose

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Air Intake Manifold Actuator Control Solenoid

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Air Intake Manifold Flap Adjuster

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Air Intake Manifold Runner Control Sensor

Air Intake Resonator

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Electric Vacuum Pump

Engine Air Duct Assembly

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Engine Air Filter

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Intake Manifold

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Intake Manifold Flap Actuator

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Intake Manifold Repair Bracket

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Intake Manifold Runner Control Valve

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Intercooler

Intercooler Hose

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Oxygen Sensor

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Pressure Sensor

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Supercharger Pulley Drive Unit

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Supercharger Snout Rebuild Kit

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Throttle Body

Throttle Cable

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Throttle Position Sensor

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Turbocharger

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Turbocharger Gasket Kit

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Turbocharger Oil Line

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Vacuum Pump

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Air Filters & Intake Systems

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Camshaft Adjuster

Camshaft Adjuster Cover

Camshaft Kit

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Camshaft Timing Gear

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Camshafts

Chain Tensioner Adjuster

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Cylinder Head

Cylinder Head Assembly

Eccentric Shaft Actuator

Engine Timing Belt

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Engine Valve Cover

Engine Valve Cover Gasket

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Harmonic Balancer

Rocker Arm

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Rocker Arm Shaft Lifter Assembly

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Timing Belt Kit

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Timing Chain Gear

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Timing Chain Kit

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Timing Cover

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Timing-Control Valve Solenoid

Valve Cover Gasket

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Valve Lifter Guides

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Valve Lifters Tappet

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Cams, Timing & Valvetrain

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Belt Tensioner

Coolant Level Sensor

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Crank Installer Tool

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Crankcase Breather Hose

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Crankcase Breather Valve

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Crankshaft Position Sensor

Crankshaft Pulley

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Engine Oil Dipstick

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Engine Oil Dipstick Tube

Engine Oil Filter

Engine Oil Pan Gasket

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Flywheel

Harmonic Balancer Crankshaft Hub

Knock Sensor

Oil Baffle

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Oil Cooler

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Oil Cooler Line

Oil Drip Pan

Oil Filler Cap

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Oil Filter

Oil Filter Base

Oil Filter Cover

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Oil Filter Housing

Oil Filter Housing Cover

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Oil Level Sensor

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Oil Pan

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Oil Pump

Oil Pump Drive Gear Shaft

Oil Pump Pickup Tube

Oil Separator

Serpentine Belt

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Cranks, Pistons, Oil & Components

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Camshaft Position Sensor

Camshaft Position Sensor & Magnet Kit

Connector Plug

Distributor Cap

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Electronic Ignition System

Engine Valve Covers & Ignition Coils Kits

Glow Plug

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Glow Plug Relay Module

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Ignition Coil

Ignition Coils & Spark Plugs & Wires Kits

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Ignition Coils & Spark Plugs Kits

Ignition Coils & Wires Kits

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Ignition Distributor

Ignition Lock Cylinder

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Ignition Starter Switch

Ignition Switch Actuator

Kill Switch

Knock Detonation Sensor

Relay

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Spark Plug

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Spark Plug Wire

Electronic Control Modules, Ignition & Distributors

Engine Wiring Harness

Intake Manifold Repair Kit

Pulley

Engine Components & Accessories

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Active Grille Shutter Actuator

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Auxiliary Water Pump

Drive Motor Inverter Cooler

Electric Engine Water Pump

Engine Coolant Air Bleeder Valve

Engine Coolant Pipe

Engine Coolant Shut Off Valve

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Expansion Tank

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Expansion Tank Mounting Plate

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Fan Pulley Bracket

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Fuel Cooler

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Overflow Hose Connector

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Engine Cooling

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The engine comprises many essential elements such as the lower cylinder block, upper cylinder head(s), and the cooling & lubricating systems. With A-Premium aftermarket engine components, you can expect that your engine deliver years of reliable performance. We offer a diverse selection of engine components from air filters and ignition coils (kits) to fuel pumps to cater to your needs.

Mercedes-Benz GLS450 Headlight Control Module