Mercedes A-Class W168 Rear Door Check Strap Stop Opening Limiter A1687300116

The MERCEDES W168 Rear Door Limiter is a component from the Doors and Door Panels category, responsible for controlling the opening range of the rear doors and holding them stably in a set position. A used limiter allows for a technically correct repair of the door mechanism while maintaining the factory operational characteristics and proper guidance of the door leaf.

Specifications and technical data

• SKU: A1687300116
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1687300116
• Substitutable numbers: A1687300116, A 1687300116, A 168 730 01 16, ASZ
• Location on the vehicle: Rear
• Category: Doors & Door Skins

Function and Application of the Rear Door Limiter

The limiter, mounted on the rear of the vehicle, is responsible for the smooth opening and closing of the doors and for holding them in several stable working positions. This prevents the doors from closing automatically on inclines, and the movement of the door leaf is controlled and predictable, improving the comfort of using the rear passenger cabin.

This component is particularly important for daily car use in urban conditions, frequent passenger disembarking, and working in parking spaces with limited room. A functional limiter reduces the stress on the door hinges and panels, contributing to a longer lifespan of the entire door assembly.

Benefits of Using an Original Mercedes Part

The limiter designed for the W168 series body was engineered for the specific door geometry and the mass parameters of the door leaf, ensuring:

• the correct maximum opening angle for the rear doors,
• appropriately calibrated resistance force during opening and closing,
• stable intermediate positions, facilitating entry and exit,
• consistent operation with the factory hinges and body mountings.

Using an original door limiter helps avoid problems typical of aftermarket alternatives, such as incorrect movement range, excessive or insufficient resistance, or imprecise stopping positions. This is a technically tailored solution for the door construction in the Mercedes W168.

Installation and Operational Characteristics

The limiter is a mechanical component that operates in open-close cycles, so its condition directly impacts the perceived quality of door operation. A correctly selected and functional component:

• reduces the risk of the door being suddenly "pulled" open by a gust of wind,
• limits the door leaf from hitting adjacent vehicles or obstacles,
• ensures repeatable, predictable door movement throughout its entire range of operation.

The part offered here, being a used component, allows for an economical repair while maintaining a design consistent with the original Mercedes project. It is a practical solution for users who want to restore proper door mechanism function without altering the original body architecture.

Why Choose Used Body Parts

Choosing a used door limiter is not only a cost-saving measure but also a real contribution to the circular economy in the automotive sector. The reuse of functional components reduces the demand for new raw materials and limits the amount of waste generated during vehicle dismantling. If you want to better understand how such decisions impact the environment and your budget, it's worth reading the article Circular Economy in Your Garage – How Choosing Used Parts from Dismantling Truly Supports Environmental Protection and Your Wallet?.

Related Mercedes Door Components

When performing comprehensive maintenance on the rear door opening mechanism, it is often considered to replace other components related to the door leaf's operation, such as hinges, mountings, or body panels. Therefore, if you are planning more extensive work on the rear of your Mercedes body, check out the available parts in the Mercedes Doors and Door Panels category.