Genuine OEM 1562030475 - Engine Coolant Thermostat Kit

Product Overview

This Genuine OEM 1562030475 engine coolant thermostat kit is the factory-original cooling system component for Mercedes-Benz high-performance AMG models equipped with the naturally aspirated 6.3 L V8 engine. The thermostat regulates coolant flow to maintain optimal engine operating temperature, a critical function in AMG powerplants that generate significant heat. This kit fits Mercedes-Benz W204, W205, C209, C218, W209, W211, W212, W221, C190, C197, R171, R230, W163, and X164 chassis from 2007 to 2015. Genuine OEM thermostats are engineered to exact factory specifications and carry the same reliability assurance as parts installed at the dealership.

This thermostat kit is a complete assembly. Order quantity 1 per vehicle.

Symptoms of a Failing Engine Coolant Thermostat

• Engine running hotter than normal; temperature gauge climbing into the hot zone
• Coolant leaking from the thermostat housing or surrounding gasket seals
• Erratic temperature gauge behavior; fluctuating between cold and hot
• Reduced heater output or no heat from the cabin climate control
• Check Engine light or coolant temperature fault codes stored in the engine computer
• Visible coolant seepage around the thermostat housing mounting area

Cross Reference Numbers

This Genuine OEM 1562030475 thermostat kit is equivalent to or replaces the following part numbers: 156203047, 1562030475.

Vehicle Compatibility

This part fits the popular models below. For Fitment Confidence, please use the vehicle selector tool above to verify exact compatibility for your vehicle.

• Mercedes-Benz C63 AMG 6.3 L V8 (W204): 2008–2015
• Mercedes-Benz C63 AMG Black Series 6.3 L V8 (W204): 2008, 2012
• Mercedes-Benz CL63 AMG 6.3 L V8 (C216): 2008–2010
• Mercedes-Benz CLK63 AMG 6.3 L V8 (C209): 2007–2008
• Mercedes-Benz CLK63 AMG Black Series 6.3 L V8 (C209): 2008
• Mercedes-Benz CLS63 AMG 6.3 L V8 (C218): 2007–2011
• Mercedes-Benz E63 AMG 6.3 L V8 (W211, W212): 2007–2011
• Mercedes-Benz ML63 AMG 6.3 L V8 (W164): 2007–2011
• Mercedes-Benz R63 AMG 6.3 L V8 (W251): 2007
• Mercedes-Benz S63 AMG 6.3 L V8 (W221): 2008–2010
• Mercedes-Benz SL63 AMG 6.3 L V8 (R230): 2009–2012
• Mercedes-Benz SLS AMG 6.3 L V8 (C197): 2011–2015

This may also fit other applications. Please use the vehicle selector tool to verify fitment.

Often Replaced Together

For a complete cooling system service, many owners replace the following at the same time:

• Engine coolant (flush and refill with Genuine Mercedes-Benz coolant)
• Radiator hoses and clamps
• Water pump (if mileage or condition warrants replacement)
• Coolant expansion tank cap

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Frequently Asked Questions

How do I know if my Mercedes-Benz C63 AMG, E63 AMG, or other 6.3 V8 model needs a new thermostat?

The most common signs are an engine that runs hotter than normal, a temperature gauge that fluctuates erratically, or visible coolant seepage around the thermostat housing. Some owners also notice reduced cabin heat output or a Check Engine light with a coolant temperature fault code. If you suspect a thermostat failure, have the cooling system inspected by a qualified technician before the engine overheats and causes secondary damage.

Is this a complete kit or just the thermostat housing?

This is a complete thermostat kit (MPN 1562030475) that includes the thermostat element, housing, and gaskets needed for a proper repair. It arrives ready to install and eliminates the need to source multiple components separately.

What is the difference between Genuine OEM and aftermarket thermostats?

Genuine OEM parts like this 1562030475 are manufactured to Mercedes-Benz factory specifications and carry the same engineering validation as parts installed at the dealership. Aftermarket alternatives may cost less but can vary in material quality and thermal calibration. For a high-performance AMG engine, a factory thermostat ensures precise temperature control and longevity.

Will I need any special tools to install this thermostat kit?

Installation typically requires basic hand tools including a socket set, wrenches, gasket scraper, and a torque wrench to tighten the housing bolts to factory specifications. You will also need a container to catch coolant during removal. Consult the factory service manual for your specific model year and engine configuration to confirm torque values and any model-specific installation steps.

Do I need to drain the entire cooling system to replace the thermostat?

In most cases, you can drain only a portion of the coolant to access the thermostat housing without emptying the entire system. However, if the coolant has not been changed recently, this is an ideal time to perform a full flush and refill with fresh Genuine Mercedes-Benz coolant. Always allow the engine to cool completely before opening the cooling system.

How long does a thermostat typically last on a Mercedes-Benz 6.3 V8 AMG?

Thermostats are wear items and typically last between 80,000 and 150,000 miles depending on driving conditions, coolant maintenance, and the overall thermal load on the engine. High-performance AMG engines that are driven spiritedly may experience thermostat wear sooner than vehicles used for casual commuting. Regular coolant flushes and maintaining proper coolant levels help extend thermostat life.

Order Genuine OEM 1562030475 today to restore proper coolant regulation to your Mercedes-Benz AMG. In-stock orders ship same or next business day from our U.S. warehouse, and our fitment team is one call away if you need help confirming the right part for your vehicle.

Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.