Mercedes ML W164 Door Seal Gasket Rear Left Right N/O/S Rubber Grey A1646900398

Mercedes ML W164 Door Seal Gasket Rear Left Right N/O/S Rubber Grey is an original body component from the Door seals group, designed for installation on the rear axle on either the right or left side. The grey color of the seal allows for a consistent match with the factory body finish, and the design, compliant with the manufacturer's standards, ensures proper adhesion to the door edge.

Specifications and technical data

• SKU: A1646900398
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1646900398
• Substitutable numbers: A1646900398, A 164 690 03 98
• Location on the vehicle: Rear, Right, Left
• Color: Grey
• Category: Door Seals

Purpose and function of the door seal

The presented seal is a component designed for the rear part of the body, mounted on the right or left side. It is responsible for limiting the ingress of water, dust, and noise into the cabin, as well as for stable guidance of the door edge relative to the bodywork. Thanks to the fitment to the specific geometry of Mercedes doors, installation is predictable and does not require profile modifications.

The grey shade of the seal allows for visual consistency with factory body components, which is especially important during post-accident repairs or when replacing individual components on one side of the vehicle.

Construction, color, and placement on the vehicle

The seal has been designed for operation in the rear body zone, with the possibility of installation on both the right and left sides. This configuration facilitates part selection during repairs when it is necessary to replace a component on either side of the vehicle, without the need to search for separate references for each.

The grey color is a practical solution – it effectively masks typical operational dirt in the threshold and door edge area, while remaining neutral to most factory body paints. The construction of the seal is prepared to work with factory mounts and the door profile, which promotes the maintenance of tightness and the proper operation of locks and hinges.

Benefits of using an original Mercedes seal

Using an original seal in the rear part of the body allows for maintaining factory acoustic comfort parameters and protection against external factors. A properly selected profile reduces the risk of leaks at the contact point between the door and the body, which translates into stable door closing and less stress on the lock mechanisms.

A used component with preserved geometry is a good choice for operational repairs when the priority is to combine reasonable cost with maintaining the manufacturer's standard. This allows for effectively restoring the original sealing conditions without the need to resort to unverified replacements.

Application in service practice

The seal will work well both for local post-collision repairs and for the gradual restoration of the rear body section, when existing sealing elements have lost their elasticity or have been mechanically damaged. Installation in the rear zone on the right or left side allows for flexibly adapting the part to the current service needs of the vehicle.

If you are planning a comprehensive repair or modernization of the rear door area in your Mercedes and need other elements from the same group, such as edge seals, rebate seals, or additional soundproofing profiles, check the available parts in the Mercedes door seals category.

Additional information and technical support

When selecting body components and seals, it is worth paying attention to the consistency of solutions throughout the body and drivetrain system. In the case of broader service work within the drivetrain, a guide material describing the advantages of using original used components may be helpful – more information can be found in the article Humming differential? Find out why a used OEM drive axle is a better investment than an uncertain replacement.