Switch Brake Light 4Pin (Mercedes-Benz A-Class W168 / W169 / B-Class W245 / C-Class W203 / M-Class W163 / Sprinter / Viano/Vito W638) is a critical component in the braking system of various Mercedes-Benz models. This switch controls the brake light activation, sending an electrical signal when the brake pedal is pressed to illuminate the rear brake lights. It ensures that following drivers are alerted when the vehicle is slowing down or stopping, contributing to road safety.
This particular unit features a 4-pin connector configuration, which must be matched carefully to the vehicle’s wiring harness for proper functioning. It is designed to fit a range of Mercedes-Benz vehicles including the A-Class W168 and W169, B-Class W245, C-Class W203, M-Class W163, as well as commercial models like the Sprinter and Viano/Vito W638. When replacing this switch, verifying compatibility with these model codes is essential to ensure the correct part is fitted.
When comparing this switch to the one being replaced, check the number of pins and the connector type. The electrical connection must match to maintain the brake light circuit’s integrity. This component is listed under the Lights category for Mercedes-Benz A-Class and related models, helping buyers identify it quickly in the appropriate part group.
- 4-pin brake light switch suitable for multiple Mercedes-Benz models
- Controls activation of rear brake lights via pedal movement
- Check connector type and fitment for correct replacement
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