Mercedes B-Class W245 Rear Left Door N/S Window Guide Seal Gasket A1697350725

Mercedes B-Class W245 Rear Left Door N/S Window Guide Seal Gasket is a precisely fitted body component designed for the rear left window in Mercedes B-Class W245 series models. It is responsible for the tight guidance of the window within the door, noise reduction, and protecting the interior from water and contaminants, while ensuring stable operation of the window lifting mechanism and an aesthetic finish to the door edge.

Specifications and technical data

• SKU: A1697350725
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1697350725
• Substitutable numbers: A1697350725, A 169 735 07 25, AS
• Location on the vehicle: Rear, Left
• Category: Door Panels

Purpose and function of the window seal

The rear left door window seal in a Mercedes W245 works in direct contact with the glass and the door panel, creating a flexible barrier between the interior and the environment. Its tasks include:

• limiting the ingress of water and moisture into the door interior,
• reducing wind noise while driving,
• stabilizing the window movement within the guide,
• protecting the window edge and paintwork from abrasion.

Thanks to its proper profile and fitment to the door structure, this seal supports cabin acoustic comfort and improves the overall sense of body sealing.

Body fitment and installation

The component has been designed specifically for the rear left side of the vehicle, meaning its geometry matches the factory shape of the door frame in the Mercedes W245. Such fitment allows for:

• proper positioning in the door grooves and clips,
• cooperation with the factory window lifting mechanism,
• maintaining the original contact line with the glass and bodywork.

The seal belongs to the group of components mounted within the Door Upholstery area, which is why its replacement is often performed in parallel with work on door panels, window guides, or lifting mechanisms.

Product characteristics and service application

The presented seal is an original component intended for Mercedes vehicles, which helps maintain material and structural consistency with other door elements. In service practice, it is primarily used in situations where:

• cracks or losses appear on the edges of the seal,
• the window operates with noticeable resistance or noise,
• water enters the door interior beyond the typical drainage level,
• increased noise is noticeable in the area of the rear left window.

Selecting the correct seal for a specific model and body version is crucial for maintaining factory sealing and smooth window operation.

Condition of the item and benefits of using a used part

The seal is offered in a used condition, which allows for an economical repair while maintaining the manufacturer's original specifications. In practice, this means the ability to restore proper window operation and reduce noise without the need to resort to replacements with uncertain fitment. For many Mercedes W245 users, this is a reasonable compromise between cost and maintaining the original door construction.

Expanding work within the Mercedes W245 door area

If you are planning a comprehensive repair or upgrade of the door zone in your Mercedes and need other elements from the same group, such as door panels, trim strips, or additional soundproofing elements, check out the available parts in the Mercedes Door Upholstery category.

When planning broader service work on the body or replacing several elements at once, it is worth using reliable sources of knowledge. If you are interested in how to approach purchasing components from the secondary market in an informed and safe manner, the guide article How to buy a used car engine and not get scammed – a step-by-step guide, which shows universal principles for assessing the condition of used parts, may be helpful.