Push Start Stop Button Replacement for Mercedes E-Class W212 (2010 to 2016)

Push Start/Stop Button Replacement for Mercedes E-Class W212 (2010–2016)

Few Mercedes-Benz models accumulate daily miles the way the E-Class W212 does. Used as a primary vehicle for business travel, family duties, and long-distance driving, the W212 sees a higher annual mileage than most models in the range — and that mileage translates directly into engine start cycles. Over time, the KEYLESS-GO push button in the center console develops the visible signs of that workload: a worn button face, faded label, and a click that no longer satisfies.

This replacement button assembly fits the W212 console exactly and brings the button back to factory condition — correct fit, correct feel, correct appearance.

Looking to upgrade the interior of your car? Also visit the Mercedes section of our aftermarket parts shop.

Compatible Mercedes Models

Mercedes-Benz E-Class Saloon (W212) – 2010 to 2016

Mercedes-Benz E-Class Estate (S212) – 2010 to 2016

Mercedes-Benz E 63 AMG (W212) – 2010 to 2016

Compatible with pre-facelift (2010–2013) and facelift (2013–2016) variants. Fits all W212 vehicles with factory KEYLESS-GO push-button engine start. Verify your button style against the product images before ordering.

The W212 Usage Pattern and Button Life

The E-Class W212 is built to cover ground. Its owners typically drive it for several years and well into six-figure mileages. Every one of those journeys begins with a press of the start button — and ends with another. At moderate use, that adds up to over 3,000 presses per year. Beyond 30,000 to 40,000 cycles, visible wear becomes inevitable. The chrome ring dulls, the button face loses its coating uniformly from the centre outward, and the legend fades to the point of illegibility.

What the Replacement Covers

The complete outer switch assembly including the button cap, chrome trim ring, and mounting retention. The KEYLESS-GO ignition electronics and the underlying module remain entirely undisturbed. Plug the existing W212 connector into the replacement unit and the car behaves identically.

Installation

Disconnect the wiring plug at the back of the button. Release the retention clips and extract the worn unit. Insert the new assembly, seat the clips, and reconnect the plug. The task takes 10 to 15 minutes and requires no removal of the center console.

Why This Replacement Is Worth It

Full button assembly in one pre-assembled part

Directly addresses the most common interior wear point on the E-Class W212

No KEYLESS-GO coding or dealer diagnostic required

Preserves the W212 cabin standard at a fraction of the official dealer spare part price

Explore all parts and accessories for Mercedes, browse our full range of replacement interior buttons and controls, and discover more in our interior trims collection.

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