Mercedes-Benz A-Class W168 Boot Trunk Lid Tailgate Striker Lock A1687400132

Mercedes-Benz A-Class W168 Boot Trunk Lid Tailgate Striker Lock is an original component from the Tailgates and rear parts group, designed to restore the proper operation of the rear lid in your vehicle. This used lock ensures a factory fit, solid lid mounting, and secure closing, which translates into everyday comfort and stability of the vehicle's rear bodywork.

Specifications and technical data

• SKU: A1687400132-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1687400132
• Substitutable numbers: A1687400132, A 168 740 01 32, BG
• Offset (ET):
• Category: Boot & Hatch Lids

Purpose and function of the boot lid lock

The boot lid lock in the Mercedes W168 model is responsible for mechanically latching the rear lid and working with the opening mechanism. A properly functioning lock:

• keeps the lid in a stable position while driving,
• prevents the boot from opening accidentally,
• enables smooth opening and closing of the lid,
• affects the tightness of the rear bodywork.

Thanks to the original design, this component is properly matched to the geometry of the lid and the body striker, which reduces the risk of play and unwanted noises while driving.

Benefits of using an original Mercedes lock

Choosing a boot lid lock dedicated to the Mercedes W168 allows you to maintain the structural consistency of the vehicle. An original component from the same assembly group:

• ensures compatibility with the factory opening mechanism,
• facilitates installation without the need for mounting modifications,
• maintains the correct closing line of the lid relative to the fenders and bumper,
• reduces the risk of problems with the fit of seals and interior trim.

For the user, this means more predictable lock operation, stable closing, and the preservation of the original performance parameters of the rear bodywork.

Component condition and installation aspects

The offered lock comes from a used vehicle, which allows for a favorable price-to-functionality ratio. This type of component is a popular choice for accident repairs, replacement after mechanical wear, or in situations where the factory lock has been damaged due to corrosion or mechanical overload.

Due to its factory origin, installation proceeds similarly to the service procedure: the lock is installed in the original mounting points, maintaining the existing lid geometry. After proper positioning and adjustment of the striker, it is possible to achieve smooth mechanism operation and repeatable closing.

Application in the body system and operational safety

The boot lid lock is an important element of the rear bodywork, affecting the safety of transported cargo and acoustic comfort inside the cabin. An efficient latching mechanism:

• minimizes lid vibrations on uneven surfaces,
• limits the ingress of noise and air turbulence,
• supports the maintenance of proper tightness in the rear of the vehicle.

In combination with correctly adjusted hinges and seals, the lock allows for maintaining the stability of the rear lid structure and predictable vehicle behavior during daily use.

If you are planning a comprehensive repair or upgrade of the rear body area in your Mercedes and need other elements from the same group, such as lid hinges, lift struts, or internal latching mechanisms, check the available parts in the Mercedes tailgates and rear parts category.

For drivers considering a wider use of used parts, including body and electronics components, a guide on selecting and installing second-hand components may be helpful – you can find more practical tips in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.