Push Start Stop Button Replacement for Mercedes CLS-Class W218 (2012 to 2014)

Push Start/Stop Button Replacement for Mercedes CLS-Class W218 (2012–2014)

The Mercedes-Benz CLS W218 introduced a new generation of the four-door coupé concept — sharper design, more technology, and an interior that raised the bar for its class. The KEYLESS-GO start/stop button on the W218 is positioned low in the center console, at an angle that puts it directly in the driver's eyeline during the start sequence. When the button face has worn — coating gone, chrome dull, click gone soft — it is impossible to miss.

This replacement button assembly fits the W218 mounting directly and restores factory button quality without any electronics work or coding.

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

Compatible Mercedes Models

Mercedes-Benz CLS-Class (W218) – 2012 to 2014

Mercedes-Benz CLS 63 AMG (W218) – 2012 to 2014

Mercedes-Benz CLS Shooting Brake (X218) – 2012 to 2014

Fits W218 vehicles equipped with factory KEYLESS-GO push-button start. Confirm your button style against the product images before ordering.

How the W218 Button Wears

The W218 CLS attracts an owner profile that drives the car hard and regularly. Spirited driving means frequent engine starts — out of parking structures, after fuel stops, multiple times per day. That driving pattern translates into a high annual press count, and the KEYLESS-GO button accumulates that wear faster than most buyers anticipate when new.

The factory lacquer on the button face provides protection for the first several years. As it wears, the chrome ring develops micro-scratches from incidental contact, and the face itself develops a worn patch at the centre where finger pressure concentrates. The tactile click also progressively softens as the switch mechanism ages.

What the Replacement Includes

The full button assembly — face cap, chrome trim ring, and retention hardware — as a single pre-assembled unit. Plug-and-play connection to the existing W218 wiring. No coding, no scan tool, no dealer involvement.

Installation

Release the connector behind the current button. Remove the button from its housing using the retention clips. Insert the replacement and reconnect. 10 to 15 minutes, no console disassembly.

Why This Replacement Is Worth It

Complete assembly — face, ring, and mount in one part

Corrects the worn CLS-Class start button without touching the KEYLESS-GO electronics

No software session or key re-pairing needed

Available at a fraction of the Mercedes dealer 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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