Mercedes V177 Radar Sensor Holder Bracket Support Rear Right O/S A1778214200

The Mercedes V177 Rear Right Radar Sensor Bracket is an original mounting part from the Brackets, Mounts, and Mounting Parts group, designed for precise placement of the sensor in the rear passenger side area. Thanks to its factory geometry, it ensures correct radar positioning, which translates to stable operation of driver assistance systems and repeatable settings after body repairs.

Specifications and technical data

• SKU: A1778214200
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1778214200
• Substitutable numbers: A1778214200, A 177 821 42 00
• Location on the vehicle: Rear, Right
• Category: Mounts, Brackets & Hardware

Purpose and Function of the Radar Bracket

The presented bracket has been specifically designed for the V-Class sedan body type in the V177 version and is responsible for the stable mounting of the rear right radar sensor. Its placement in the rear right area of the vehicle allows for maintaining the correct working angle of the sensor relative to the car's axis, which is crucial for accurate interpretation of the distance and speed of objects behind the car.

This component acts as a structural link between the body and the radar module, minimizing vibrations and shifts that could interfere with the operation of assistance systems. Replacing the bracket is recommended after collisions, bodywork repairs, or if deformations are found in the mounting area.

Construction and Body Fitment

The bracket belongs to the Brackets, Mounts, and Mounting Parts group, meaning it has been developed for secure, repeatable installation at factory-intended mounting points. Its construction is adapted to the geometry of the V177 rear body, ensuring that the correct sensor position is maintained after proper mounting, without the need for additional modifications.

The arrangement of holes and clips conforms to the original manufacturer's design, facilitating service work and reducing installation time. This type of component is particularly important for calibrating radar systems – a stable and repeatable sensor position minimizes the risk of measurement errors and the need for repeated adjustments.

Condition, Service Application, and Benefits of Installation

The offered bracket is in used condition, allowing for economical vehicle repair while maintaining the original mounting specifications. It is a practical solution for both workshops specializing in electronics and ADAS systems, as well as for individual users who want to restore full functionality of driving assistants after mechanical damage.

Replacing a damaged or deformed bracket with a functional part allows you to:

• restore the correct position of the rear right radar relative to the body,
• increase the repeatability of assistance system calibration results,
• reduce the risk of incorrect readings and fault messages related to sensor position.

Integration with Mercedes Safety Systems

In modern Mercedes models, radar sensors work with advanced driver assistance systems, so precise mounting in the rear right zone of the vehicle directly impacts driving comfort and safety. A correctly installed bracket helps maintain stable operation of functions monitoring the area behind the car, which is particularly important during parking maneuvers, lane changes, or reversing.

Choosing an original mounting part from this group helps maintain the vehicle's structural integrity and facilitates future diagnostics – the service team can be sure that the mounting geometry corresponds to the manufacturer's factory specifications.

If you are planning a comprehensive repair or upgrade of the sensor mounting area and structural components in your Mercedes and need other parts from the same group, such as additional brackets, mounts, or mounting parts, check the available parts in the Mercedes Brackets, Mounts, and Mounting Parts category.

Support with Selection and Tuning with Used Parts

Selecting the appropriate radar bracket is important not only for standard repairs but also for vehicle modifications where maintaining the correct operation of assistance systems is a priority. For projects where you combine repair with subtle tuning or equipment upgrades, it's worth learning about best practices for using used parts – you can find them in the article Tuning with Used Parts – How to Gain Performance Without Losing a Fortune, which discusses how to safely use used components in car upgrades.