New Power Seat Control Module Front Left Driver Side For Mercedes W211 W203 W209
New Power Seat Control Module Front Left Driver Side for Mercedes W211 W203 W209 is a factory-replacement electronic unit that restores power-adjustable driver seating. Priced at $77.89, it fits 2001-2005 C-Class models, delivering reliable seat positioning after a failed original module.
● In stock
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Key features
- OEM compatibility — Matches part number 2118704626 for seamless fit.
- Year coverage — Works on 2001-2005 Mercedes C-Class models.
- Power-adjustable restore — Re-enables forward, recline and height control.
- Plug-and-play — No wiring changes or coding required.
- Durable housing — Designed for automotive temperature extremes.
- Easy installation — Fits existing mounting points and connector.
Pros
- +Restores full power-seat functionality.
- +Fits OEM mounting points without modification.
- +Cost-effective alternative to dealer-priced parts.
Cons
- −Requires removal of existing seat module.
- −Limited to specific Mercedes model years.
About New Power Seat Control Module Front Left Driver Side For Mercedes W211 W203 W209
What is New Power Seat Control Module Front Left Driver Side For Mercedes W211 W203 W209?
The New Power Seat Control Module Front Left Driver Side for Mercedes W211, W203 and W209 is a direct replacement for the original electronic seat motor controller. Priced at $77.89, this unit restores the power-adjustable driver seat functions that may have failed due to wear, corrosion or electrical fault. It is engineered to match the OEM part number 2118704626 and fits all 2001-2005 C-Class sedans, coupes and wagons that use the front-left seat actuator.
The control module integrates a compact printed circuit board, a power MOSFET driver and a multi-pin connector that matches the vehicle’s harness. Its internal firmware manages seat motor currents, providing smooth motion and protecting against overload. The unit is sealed to prevent moisture ingress, meeting automotive IP rating standards.
Key features
- OEM compatibility — Matches part number 2118704626 for seamless fit.
- Year coverage — Works on 2001-2005 Mercedes C-Class models.
- Power-adjustable restore — Re-enables forward, recline and height control.
- Plug-and-play — No wiring changes or coding required.
- Durable housing — Designed for automotive temperature extremes.
- Easy installation — Fits existing mounting points and connector.
Who is New Power Seat Control Module Front Left Driver Side For Mercedes W211 W203 W209 for?
This module is intended for owners of Mercedes W211, W203 or W209 vehicles whose driver seat no longer moves or produces irregular motion. It is also a practical choice for professional mechanics and collision-repair shops that need a reliable, cost-effective replacement without sourcing refurbished OEM parts. Because the unit is new and tested, it suits drivers who demand factory-level performance and durability.
How does New Power Seat Control Module Front Left Driver Side For Mercedes W211 W203 W209 compare?
Compared with refurbished seat controllers, this new module offers a full warranty and guarantees the exact electrical characteristics of the original part. Generic aftermarket seat switches often lack the precise connector layout required for Mercedes W211/W203/W209 systems, leading to intermittent operation or the need for additional adapters. The price of $77.89 positions it as a budget-friendly alternative to dealer-issued replacements while maintaining OEM quality.
Installing this module brings back the smooth, effortless seat adjustments that define the Mercedes driving experience. With its OEM-grade reliability and affordable price, it is an essential part for maintaining resale value and daily comfort.
Best use cases
- →Replacing a failed seat motor in a 2003 C-Class sedan.
- →Upgrading a worn driver seat after an accident repair.
- →Restoring power-seat function in a classic W209 wagon.
Is New Power Seat Control Module Front Left Driver Side For Mercedes W211 W203 W209 right for you?
Buy this module if your Mercedes W211, W203 or W209 driver seat no longer moves or makes noise. Installation requires basic mechanical ability and a set of screwdrivers; the unit plugs directly into the existing harness. Compare it to refurbished OEM parts or generic aftermarket seat controllers—new units like this offer the best reliability at a lower price than dealer-supplied components. If you lack confidence in wiring work, consider professional installation to ensure proper connection and avoid damage.
How it compares: Compared with refurbished OEM seat modules, this new unit offers a longer warranty and guaranteed fit, while generic aftermarket controllers often lack the precise connector layout required for Mercedes W211/W203/W209 systems. They may also require additional wiring adapters and can result in intermittent seat movement, making the new OEM-spec part a more reliable choice for daily drivers.
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What does the New Power Seat Control Module replace?
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The module replaces the factory-installed power seat control unit on the driver’s front-left side of Mercedes W211, W203 and W209 vehicles. It takes the place of a failed or worn seat motor controller, restoring the electronic functions that move the seat forward, backward, up, down and tilt.
Does the module require programming after installation?
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No, the module is a direct plug-and-play replacement that uses the existing wiring harness. After the old unit is removed and the new one is seated, the vehicle’s control system recognizes it automatically. No software updates or coding are needed, simplifying the repair for most owners.
How easy is the installation process?
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Installation typically takes 30-45 minutes for someone comfortable with basic automotive work. You will need a set of screwdrivers, a trim removal tool, and access to the seat’s underside. The module connects to the original plug, and the seat bolts are re-installed without any special calibration.
Is this module compatible with all Mercedes C-Class models?
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The module is designed for Mercedes-Benz C-Class vehicles built between 2001 and 2005, covering the W211, W203 and W209 chassis. It will not fit later models such as the W212 or earlier platforms like the W202. Verify your VIN or model year before purchasing to ensure compatibility.
Can I install the module myself without special tools?
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Yes, most DIY enthusiasts can install the module with common hand tools. The job involves removing the seat cover, disconnecting the old control unit, and plugging in the new one. While no special equipment is required, careful handling of the wiring connector is essential to avoid damage.
How much does New Power Seat Control Module Front Left Driver Side For Mercedes W211 W203 W209 cost?
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New Power Seat Control Module Front Left Driver Side For Mercedes W211 W203 W209 is $77.89 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is New Power Seat Control Module Front Left Driver Side For Mercedes W211 W203 W209 in stock at Lab Work Auto?
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Yes, New Power Seat Control Module Front Left Driver Side For Mercedes W211 W203 W209 is currently in stock at Lab Work Auto.
Specifications
- SKU
- F7-9889