Mercedes W177 Bonnet Engine Hood Cover Latch Lock Lower Part A1778803000

Mercedes W177 Bonnet Engine Hood Cover Latch Lock Lower Part is a component from the Locks and latches group, designed for the hood locking system in Mercedes W177 series vehicles. It is a practical solution for users who need a proven, original component to restore proper closing and securing of the engine hood.

Specifications and technical data

• SKU: A1778803000-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1779069900
• Substitutable numbers: A1778803000, A 177 880 30 00
• Part type: Bonnet Lock
• Category: Exterior Locks & Lock Hardware

Purpose and function of the hood lock

The lower part of the hood lock is responsible for stably holding the hood in the closed position and working with the release mechanism in the engine compartment. A correctly selected lock ensures:

• secure locking of the hood while driving,
• proper cooperation with cables and the opening lever,
• precise guidance of the hood catch, reducing play and unwanted vibrations. Thanks to the use of an original solution dedicated to the W177 series, the factory mounting geometry and correct cooperation with other elements of the locking system are maintained.

Benefits of using an original Mercedes lock

Choosing a component from the Locks and latches group dedicated to Mercedes allows you to maintain the structural integrity of the front part of the body. The original lower lock ensures:

• compatibility with the factory hood catch and support elements,
• appropriate connection rigidity, which is important at higher speeds,
• repeatable, predictable operation of the opening and closing mechanism. Such a solution reduces the risk of problems with the hood not closing properly, accidental opening while driving, or the need for additional adjustments after installation.

Installation and operational characteristics

The lower part of the hood lock in the Mercedes W177 is designed for specific mounting points in the front panel structure. As a result, the installation process is orderly, maintaining factory axes and operating clearances. With proper installation, the user achieves:

• stable hood closing without excessive force,
• correct engagement with the upper lock element,
• consistent operation with the existing release mechanism in the cabin. This solution is particularly useful for post-collision repairs, replacing corroded elements, or restoring full functionality of the hood opening system after years of operation.

Application in service practice

Mercedes W177 Bonnet Engine Hood Cover Latch Lock Lower Part will prove useful both in professional body and mechanical workshops, as well as in services specializing in the Mercedes brand. It enables:

• standard replacement of a worn or damaged lock,
• comprehensive repair of the front part of the body after a collision,
• restoration of proper hood alignment with fenders and the bumper. Using original solutions in this area affects the comfort of using the vehicle and operational safety, especially during intensive vehicle use.

Expanding the locking system in a Mercedes

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as additional latches, locking mechanisms, or components working with cables, check the available parts in the Mercedes locks and latches category. If you want to better plan the selection of used components for your car and learn about the most frequently chosen solutions for popular models, the guide article Best used car parts – a guide to the most frequently chosen original parts will be helpful, where you will find practical tips on selecting original elements from the secondary market.