What is the design and purpose of automotive locks and latches?

Automotive locks and latches are components of the locking system mounted in doors, tailgates, the engine hood, and other closing body parts. A typical lock consists of a body, a pawl, a lever, mounting points, and – depending on the version – an actuator or microswitch. Their task is to block access to the interior and keep closed elements in the correct position while driving.

What are automotive locks and latches used for?

Automotive locks and latches are used for securely closing and opening doors, the trunk lid, or the hood. They are responsible not only for protecting the car against unauthorized access but also for the proper fit and stability of closed body elements. In vehicles with central locking, they also work with the electrical installation and remote control.

What is the design and function of a lock striker?

A lock striker is a component mounted on the opposite side of the lock mechanism, most often on the door pillar or in the opening frame. It serves to catch the lock pawl and set the final position of the door or cover after closing. Its shape, position, and adjustability affect the closing force, tightness, and the absence of rattling while driving.

How to choose the right lock or latch for a car?

It is safest to compare the OEM part number, interchangeable numbers, mounting side, and vehicle placement. It is also worth checking the body version, door type, connector type, and equipment, such as the presence of central locking or a keyless system. For parts from different model years, compatibility with pre-facelift and post-facelift versions is also important.

What symptoms indicate wear of a lock or latch?

Typical symptoms include difficulty opening, no response to the remote, the need to slam the door harder, and rattling coming from the pillar or tailgate area. Often, irregular central locking operation or incorrect information about an unclosed door also occurs. Such symptoms can result from both mechanism wear and striker misalignment.

How to maintain automotive locks and latches after installation?

After installation, it is worth periodically checking the cleanliness of the mechanism, the condition of the mounts, and the operation of the handle and actuator. Using appropriate lubricants for lock mechanisms and avoiding overloading the doors when closing also helps. If play or resistance appears, it is good to immediately check the striker adjustment and the operation of the entire system.

Exterior Locks & Lock Hardware

At the Global Parts automotive store, we offer a wide selection of original used car parts, including locks and bolts for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen and others. The locks and bolts we offer undergo quality control so that you can be sure that you are receiving a top-class product.

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Mercedes GLE C292 Door Lock Latch Mechanism Actuator Rear Left N/S A2220064099

£13.95

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Mercedes Vito W447 Door Lock Bowden Cable Rear Left Right N/O/S A4477603600

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£28.95

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£23.95

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Mercedes W221 Door Lock Latch Mechanism Actuator Front Right O/S A2217203035

£118.95

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£13.95

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£13.95

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£113.95

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£23.95

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£23.95

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£13.95

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£13.95

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Mercedes W447 Door Lock Front Left Right N/O/S Latch Catch Striker A4477200104

£13.95

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Mercedes CLS W218 Door Lock Bracket Front Left N/S Latch Mount Trim A2187230114

£13.95

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Mercedes CLS W219 Door Lock Latch Motor Actuator Rear Right O/S A2197300235

£23.95

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Mercedes C205 Front Door Securing Guard Rod Right O/S Locking System A2057201003

£13.95

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