Mercedes W176 W212 Brake Pedal Switch Stop Light A0015456309

MERCEDES W176 W212 Brake Light Stop Switch is a component from the Switches, Control Elements, and Ignition Switches category, responsible for precisely detecting brake pedal depression and transmitting a signal to the lighting system and the vehicle's electronic systems. A properly selected stop switch ensures correct operation of the brake lights, which directly impacts driving safety and the proper functioning of driver assistance systems. This component is designed for Mercedes models from the W176 and W212 series, serving as a functional service solution.

Specifications and technical data

• SKU: A0015456309
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0015456309
• Substitutable numbers: A0015456309, A 001 545 63 09, EM
• Category: Switches & Controls

Function and Application of the Brake Light Stop Switch

The brake light stop switch in Mercedes W176 and W212 models is responsible for generating an electrical signal when the brake pedal is pressed. This signal is used not only to activate the rear brake lights but also by systems such as ABS, ESP, and cruise control, which require reliable braking information. A correctly functioning switch:

• ensures immediate activation of the brake lights,
• enables proper response of active safety systems,
• eliminates errors and warning messages related to the braking system.

Original Origin and Fitment for Mercedes W176 / W212

The presented Mercedes W176 W212 Brake Light Stop Switch comes from the manufacturer's parts line, which translates to proper fitment with the factory electrical system and brake pedal construction. This ensures a predictable installation process, without the need for wiring modifications or adapter use. Proper alignment with the socket and electrical connector minimizes the risk of looseness, signal interruption, and computer diagnostics issues.

Category: Switches, Control Elements, and Ignition Switches

The stop switch belongs to the group of components responsible for control and signaling in a vehicle. Within the Switches, Control Elements, and Ignition Switches category, it functions as an electrical switch that reacts to brake pedal movement. Its design is intended for:

• stable operation in varying temperature conditions,
• resistance to vibrations typical of the pedal compartment,
• maintaining a repeatable activation point over a long service life.

If you are looking for other Switches, Control Elements, and Ignition Switches for this brand, check out the offer: Mercedes Switches, Control Elements, and Ignition Switches.

Used Condition and Benefits of Choosing Original Parts

The component is offered in used condition, allowing for economical repair while maintaining operational characteristics consistent with the manufacturer's original specifications. Compared to inexpensive aftermarket alternatives, an original stop switch:

• cooperates better with the Mercedes onboard electronics,
• reduces the risk of errors appearing in control units,
• ensures predictable performance over the long term.

More about the advantages of using original, used components in cars of this brand can be found in the article: Used Parts for Mercedes – Original Components from Dismantling.

Why Choose a Used OEM Stop Switch

Choosing such a component is a sensible compromise between repair cost and quality. An Original Stop Switch retains the parameters intended by the vehicle manufacturer, which is particularly important in modern Mercedes vehicles where the braking signal is linked to numerous control modules. Thanks to this:

• you maintain the consistency of the entire electrical system,
• you minimize the time required for diagnostics and adaptation,
• you reduce the risk of replacing the component again in a short period.

If you are interested in how the availability of used OEM parts affects repair time in a workshop, it is worth reading the guide: Availability of Car Parts on Demand vs. Repair Time – How Used OEM Shortens Workshop Stays?.