Mercedes-Benz E CLS Class W211 W219 Brake Pedal Brake Light Switch A0015454009

Mercedes-Benz E CLS Class W211 W219 Brake Pedal Brake Light Switch is a precision lighting control component responsible for the correct activation of brake lights and integration with the vehicle's safety systems. As part of the Pedals, pedal pads and footrests group, the switch operates directly in the brake pedal area, providing stable information about pedal depression to the vehicle's control units. Using an original component allows for maintaining the factory logic of the electrical system in Mercedes CLS and E-Class W211/W219 models.

Specifications and technical data

• SKU: A0015454009
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0015454009
• Substitutable numbers: A0015454009, A 001 545 40 09, AS
• Category: Pedal Assemblies, Pads & Parts

Function and role of the brake light switch

The brake light switch in a Mercedes is responsible for generating a signal indicating the start of braking, which is sent to the lighting system and associated electronic modules. A properly functioning component:

• ensures immediate activation of brake lights when the brake pedal is pressed,
• stabilizes the operation of driver assistance systems that utilize braking information,
• reduces the risk of control unit errors resulting from an incorrect brake pedal signal,
• maintains compliance with the factory electrical characteristics of the Mercedes vehicle.

Thanks to the original design, the switch works with the factory brake pedal and electrical harness without the need for any installation modifications.

Purpose and fitment for Mercedes CLS W211 W219

The offered switch has been designed for use in Mercedes CLS models and E-Class vehicles of the W211/W219 generation, where the brake pedal system requires a precise electrical control signal. The component belongs to the Pedals, pedal pads and footrests group, which means it works directly with the brake pedal mechanism and its operating position.

The original Mercedes origin translates into:

• compatibility with factory electrical connectors,
• appropriate contact operating characteristics,
• correct seating in the bracket at the brake pedal.

Such fitment facilitates installation and helps avoid problems typical of aftermarket replacements, such as unstable brake light operation or errors in electronic systems.

Characteristics of the used component

The presented brake light switch is a used component, sourced from a dismantled Mercedes vehicle. This type of part is a sensible choice for servicing older CLS or E-Class units, where maintaining the original specification while optimizing repair costs is a priority.

Choosing a used switch:

• allows for maintaining consistency with the factory electrical installation,
• reduces the risk of incompatibility known from cheaper replacements,
• is economically beneficial while maintaining an appropriate level of quality.

Benefits of using an original switch in the brake pedal system

By installing an original brake light switch in a Mercedes CLS W211/W219, you gain stable operation of the brake lighting system and predictable behavior of safety systems that use the signal from the brake pedal. This is particularly important in premium class vehicles, where electronics communicate intensively with many modules simultaneously.

The main advantages of this solution include:

• factory fitment to the pedal structure and mounting brackets,
• electrical consistency with the Mercedes installation, without the need for adaptation,
• stable braking signal, essential for safety and driving comfort.

Expanding service within the brake pedal system

If you are planning a comprehensive repair or upgrade of the brake pedal area in your Mercedes and need other elements from the same group, such as covers, pads, or footrests, check the available parts in the Mercedes Pedals, pedal pads and footrests category.

For drivers interested in a broader approach to servicing premium cars, including cost optimization while maintaining high quality, the article describing the use of original parts from dismantling in sports and luxury vehicles may be helpful – you can find it here: Luxury within reach – how to service a Porsche legend using proven used parts.