Mercedes W169 Rear Seat Bench Backrest Lock Folding Right O/S A1699201072

Mercedes W169 Rear Seat Bench Backrest Lock Folding Right O/S is an original locking mechanism component for the rear seat backrest, designed for installation on the right side. Thanks to its precise construction, it ensures the backrest is securely locked in the operating position and allows for smooth folding, which translates into safe and functional use of the rear interior. This solution is dedicated to drivers who expect reliable mechanism performance and proper operation of the seat folding system.

Specifications and technical data

• SKU: A1699201072
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1699201072
• Substitutable numbers: A1699201072, A 169 920 10 72
• Location on the vehicle: Rear, Right
• Category: Additional Seat Parts

Purpose and function of the backrest lock

The presented lock operates in the rear seat area, on the right side, and is responsible for stable locking of the backrest and its release during folding. A properly functioning mechanism is crucial for:

• keeping the backrest in a fixed position while driving,
• effortlessly increasing cargo space by folding the backrest,
• maintaining the comfort of rear passengers.

This component works with the seat frame structure, which is why its proper fitment to the specific vehicle generation is essential from the perspective of safety and ergonomics.

Benefits of using an original Mercedes lock

Using an original backrest lock in the W169 model allows you to maintain the factory performance parameters of the seat folding mechanism. You receive:

• compatibility with the factory seat system – no need for modifications or adjustments to mounts,
• consistency with other interior structural elements,
• mechanical operation in accordance with the vehicle manufacturer's specifications.

This solution is particularly beneficial for repairs after mechanical damage, replacing worn components, or restoring full functionality of the rear seat after previous interventions.

Condition of the component and installation aspects

The offered lock comes from the Other seat parts group and is a used component, which allows for an economical repair while maintaining the original construction. Before installation, it is recommended to perform a standard check of the mechanism, verify the smoothness of operation, and ensure correct alignment with the backrest and bodywork catches. Proper installation affects:

• correct locking of the backrest every time it is closed,
• even fit of the backrest against other seat elements,
• absence of unwanted play and rattling while driving.

Integration with safety and comfort systems

Although the backrest lock is a mechanical component, its proper operation is significant for the overall level of safety in the cabin. A securely locked backrest limits the uncontrolled movement of luggage and ensures predictable behavior of the seat structure during daily use. In vehicles equipped with advanced all-wheel-drive systems, such as Mercedes solutions, maintaining the condition of interior components is just as important as servicing drivetrain parts – you can read more about the specifics of drivetrains and operation in the article xDrive, 4Matic, quattro or 4Motion – a comparison of AWD systems from BMW, Mercedes, Audi and VW.

Expanding repairs within Mercedes seats

If you are planning a comprehensive repair or upgrade of the seat area in your Mercedes and need other elements from the same group, such as rails, adjustment mechanisms, or additional mounts, check the available parts in the Other Mercedes seat parts category.