Mercedes W204 A207 Coupe Backrest Release Handle Bowden Cable Trim A2079100174

Mercedes W204 A207 Coupe Seat Backrest Lock Cable A2079100174 is an original component of the seat backrest folding mechanism, designed for front seats in coupe body styles. Thanks to its precise manufacturing and perfect fit to the seat structure, it ensures reliable lock operation, which translates to safe and predictable seat usage in daily operation.

Specifications and technical data

• SKU: A2079100174-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2079100174
• Substitutable numbers: A2079100174, A 207 910 01 74
• Location on the vehicle: Front, Left, Right
• Category: Additional Seat Parts

Purpose and Function of the Backrest Lock Cable

The presented cable is part of the front seat backrest release and locking system, mounted on the driver's or passenger's side. It is responsible for transferring motion from the lever or handle to the locking mechanism, allowing for smooth reclining and re-locking of the backrest. In a coupe body style, this is particularly important for convenient access to the rear bench seat and for stable maintenance of the backrest position during driving.

Thanks to its original Mercedes-Benz origin, the cable maintains the correct geometry, length, and mounting ends, which minimizes the risk of play, jamming, or improper backrest closure after folding.

Compatibility with Front Seats

The component is designed to work in front seats on both the left and right sides, which simplifies part selection for repairs on both seating positions. This solution allows for:

• maintaining consistent folding mechanism operation characteristics on both sides of the vehicle,
• limiting differences in the resistance of the backrest release lever,
• easier diagnostics and replacement in case of cable wear or damage.

The proper functioning of the cable directly impacts the comfort of using the seats and the safety of passengers in the rear seats, as it is responsible for correctly locking the backrest after it has been reclined.

Characteristics of an Original Used Part

The offered cable comes from a dismantled Mercedes-Benz vehicle and belongs to the group of Other Seat Parts. As an original OEM component, it retains factory mounting points and compatibility with the seat structure, which facilitates installation without the need for modifications. The used nature of the part allows for economical repair of the backrest mechanism while maintaining correct operating parameters.

Compared to low-quality aftermarket parts, the original cable provides a better fit to the guides and latches, which reduces the risk of squeaking, skipping, or incomplete backrest locking after folding. This is particularly important in vehicles where seats are frequently reclined to access the rear of the cabin.

Installation and Service Aspects

Replacing the seat backrest lock cable requires dismantling the backrest upholstery and accessing the locking mechanism, therefore it is recommended that the work be carried out by someone experienced with seat systems. Proper installation includes:

• routing the cable according to factory guides and holders,
• correctly attaching the ends to the locking mechanism and the release lever,
• checking the range of motion and full backrest locking after folding and returning to the working position.

After installation, it is advisable to test the mechanism several times to ensure smooth movement without excessive resistance, and that the backrest locks securely and repeatably. Only a correctly installed cable will ensure stable operation of the backrest folding mechanism in the long term.

If you are planning a comprehensive repair or upgrade of the seating area in your Mercedes and need other parts from the same group, such as guides, adjustment mechanisms, or additional mountings, check the available parts in the Other Mercedes Seat Parts category.

Selecting Used Parts vs. Other Vehicle Components

When repairing interiors and seats, many users also consider using used components in other vehicle systems. For more complex components, such as transmissions, it is worth approaching the matter consciously and assessing the cost-effectiveness of such a solution. A helpful guide that discusses the selection and operation of used drivetrain components can be found in the article Used Gearbox – When is it Worth It and What You Need to Remember.