Mercedes ML GLE W166 Suspension Control Adjust Panel Switch Button A1669051151

The Mercedes ML GLE W166 DSR Control Panel Switch is an original control unit from the Switches, Controls, and Ignitions group, designed for factory installation in Mercedes vehicles of the ML and GLE W166 series. This panel is responsible for the precise operation of the DSR (Downhill Speed Regulation) function, providing the driver with convenient access to the driving assistance system in demanding off-road and downhill conditions.

Specifications and technical data

• SKU: A1669051151
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1669051151
• Substitutable numbers: A1669051151, A 166 905 11 51
• Category: Switches & Controls

Purpose and Function of the DSR Control Panel

The presented switch is an integral part of the DSR function control system in Mercedes ML and GLE W166 generation vehicles. It is responsible for:

• activating and deactivating the downhill speed regulation system,
• transmitting signals to the vehicle's controllers,
• providing ergonomic access to off-road driving assistance functions.

Thanks to its factory design, the panel seamlessly integrates with the center console, maintaining the interior's stylistic consistency and the logical operation familiar from original Mercedes solutions.

Construction, Integration, and Compatibility

The DSR control panel is designed as an OEM component, meaning it offers a perfect fit for the electrical system and mounting points in ML and GLE W166 models. The layout of buttons and pictograms complies with manufacturer standards, facilitating intuitive operation without the need to adapt to a different function arrangement.

Original manufacturing ensures:

• proper cooperation with factory control modules,
• stable mounting in the center panel,
• visual consistency with other cockpit elements.

For full functionality, installation in a vehicle originally equipped with the DSR system or properly prepared for this function is recommended.

Performance Characteristics and Installation Benefits

Choosing an original DSR control panel for the Mercedes ML GLE W166 allows you to maintain factory ergonomics and predictable operation of the downhill assist system. This item from the Switches, Controls, and Ignitions category provides:

• clear control of the DSR function from the console,
• preservation of the interior's original appearance,
• easier diagnostics in case of potential control system malfunctions.

The product is offered as a used original part, representing a favorable compromise between quality and purchase cost, especially for repairs and restoring full vehicle functionality.

Professional Selection of Used Mercedes Parts

For original Mercedes control elements, such as the DSR control panel, choosing a verified used part allows you to maintain a high standard of equipment without the need to invest in expensive aftermarket alternatives. You can read about how to approach the purchase of dismantled components wisely and what to look for when choosing premium parts in the article: Used Mercedes Parts – Original Components from Dismantling.

Expanding the Control System in your Mercedes

If you are planning a comprehensive repair or upgrade of the cockpit and center console area in your Mercedes and need other components from the same group, such as function buttons, control panels, or ignition modules, check the available parts in the Mercedes Switches, Controls, and Ignitions category.