Maintain Optimal Engine Temperature with the Genuine Mercedes-Benz A2122710204 – Thermostat Element

Keep your Mercedes-Benz engine running smoothly with the genuine Mercedes-Benz A2122710204 Thermostat Element. This critical component regulates coolant flow, ensuring your engine stays at the ideal temperature for peak performance and efficiency.

What Is the Thermostat Element?

The Thermostat Element is a precision-engineered valve within your Mercedes-Benz cooling system. It controls the flow of coolant between the engine and radiator, opening at a specific temperature (typically 87°C) to prevent overheating and closing to help the engine warm up quickly. Made with durable materials, it ensures long-lasting reliability under demanding conditions.

⚠️ Consequences of a Failing Thermostat Element

• Engine Overheating: A stuck-closed thermostat can block coolant flow, causing dangerous temperature spikes.
• Poor Efficiency: A stuck-open unit may keep the engine too cool, reducing fuel economy and increasing emissions.
• Component Damage: Improper temperature regulation can strain engine parts, leading to costly repairs.

✅ Compatible Mercedes-Benz Models

The Mercedes-Benz A2122710204 Thermostat Element is designed for use in select Mercedes-Benz vehicles, including:

• Mercedes-Benz E-Class (W212, 2010-2016) – E350, E550
• Mercedes-Benz CLS-Class (C218, 2011-2017) – CLS550
• Mercedes-Benz S-Class (W221, 2007-2013) – S550
• Mercedes-Benz ML-Class (W166, 2012-2015) – ML550

(Note: Compatibility may vary by engine type or model year. Please confirm fitment with your specific vehicle using your VIN.)

Trust genuine Mercedes-Benz parts for unmatched quality and perfect fitment. The A2122710204 Thermostat Element keeps your engine protected and performing at its best, mile after mile.