Mercedes W207 Seat Lumbar Lordosis Pad Support Pump Front Right O/S A2079109802

Mercedes W207 Seat Lumbar Lordosis Pad Support Pump Front Right O/S is a specialized lumbar support system component designed for the front seat of Mercedes W207 series vehicles. It provides precise adjustment of the lumbar support, improving seat ergonomics and comfort during long journeys.

Specifications and technical data

• SKU: A2079109802
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2079109802
• Substitutable numbers: A2079109802, A 207 910 98 02
• Location on the vehicle: Front, Left
• Category: Seats and Sofas

Purpose and function in the driver's seat

The lumbar pad with pump is responsible for actively shaping the seat backrest in the lumbar spine area. In practice, this allows for adjusting the firmness and curvature of the backrest to the driver's physique, which reduces muscle fatigue and improves torso stabilization while driving.

This component works with the factory seat adjustment system, ensuring consistent operation of all seat functions. Properly functioning lumbar support is particularly important in premium-class cars such as the Mercedes W207, where high comfort and consistent seat performance are expected.

Construction and integration with the seat system

The lumbar pad integrated with the pump forms a compact module that is mounted inside the seat backrest. This solution allows for:

• precise shaping of the lumbar zone of the backrest,
• even distribution of pressure on the driver's back,
• stable cooperation with other seat structure components.

Thanks to the design intended for the W207 series, proper fitment with the upholstery and backrest foam is maintained, which translates into interior aesthetics and consistent operation of the support system.

Vehicle placement and application

The presented element is designed for installation in the front seat on the right side, which is the passenger side in European versions (or driver's side in RHD markets). Its placement has a direct impact on the ergonomics of the seating position, especially in cars used for long distances.

As part of the Seats and benches group, this product is an essential component of the entire seating system, responsible for comfort, stability of the driving position, and the ability to precisely adjust the backrest to individual user preferences.

Performance characteristics and benefits of installation

The lumbar pad with pump in the Mercedes W207 allows for restoring the full functionality of the factory lumbar support in case of wear or failure. Replacing this component is beneficial when:

• the lumbar support has stopped responding to adjustments,
• the backrest feels like it is collapsing in the lower back area,
• driving comfort has deteriorated after a long period of seat usage.

A properly selected module restores predictable operation of the lumbar adjustment, which improves driving comfort and can reduce back pain during intensive vehicle use.

Product condition and economic benefits

The item comes from the used original parts group, which allows for combining factory specifications with reasonable repair costs. Choosing this solution is particularly attractive for comprehensive interior restoration when other seat components are being serviced simultaneously.

If you want to plan your cabin upgrade more broadly, it is worth checking out the guide describing the selection and installation of interior elements from the secondary market – this is discussed in detail in the article Premium interior for half the price: second-hand seats, steering wheels, and multimedia, where you will find practical tips regarding seat configuration and ergonomics.

Expanding upgrades within the seats

If you are planning a comprehensive repair or upgrade of the seating area in your Mercedes and need other elements from the same group, such as backrests, seat cushions, or complete adjustment modules, check the available parts in the Mercedes Seats and benches category.