Mercedes-Benz Expansion Tank W164

Description

Mercedes-Benz Water Bottle (Expansion Tank) – W164 | Engine Cooling Reservoir for ML-Class & GL-Class

Keep your cooling system in top shape with this high-quality expansion water bottle (also known as a coolant reservoir) for Mercedes-Benz W164 models. Designed to handle high heat and pressure, this component is essential for maintaining the correct coolant level and preventing engine overheating in your Mercedes-Benz.

This replacement expansion tank is specifically made for the ML-Class (ML280, ML320, ML350, ML500) and GL-Class (GL320, GL350, GL450) models from 2005 to 2011, all built on the W164 chassis. Whether your current tank is cracked, leaking, or discolored, this OEM-spec tank ensures a perfect fit and long-lasting reliability.

Vehicle Compatibility:

• Mercedes-Benz ML-Class W164 (2005–2011)

  • ML280, ML320, ML350, ML500, ML63 AMG

• Mercedes-Benz GL-Class W164 (2006–2012)

  • GL320, GL350, GL450, GL500, GL63 AMG

• Compatible with both petrol and diesel engines

• Replaces OEM part number: A1645000649 and equivalent variants

Key Features Mercedes-Benz Water Bottle (Expansion Tank):

• OEM-Grade Quality: Manufactured to meet or exceed original equipment standards for fit, durability, and performance

• Heat-Resistant Plastic Construction: Made from high-strength thermoplastic to withstand extreme engine temperatures and pressure

• Built-In Coolant Level Sensor Port: Compatible with factory-level sensors for accurate monitoring

• Clear Coolant Visibility: Transparent body allows for easy inspection of coolant levels without removing the cap

• Seamless Fit & Easy Installation: Direct bolt-on replacement with factory mounting points and hose connections

Common Symptoms of a Faulty Expansion Tank:

• Coolant leaks under the vehicle

• Engine overheating or warning lights

• White steam or coolant smell from under the hood

• Visible cracks or discoloration on the bottle

• Frequent need to top off coolant

A damaged or aging water bottle can compromise your vehicle’s cooling efficiency and lead to serious engine damage. Replacing it with this Mercedes-Benz W164 expansion tank helps maintain safe engine temperatures and system pressure.

Dependable Quality at a Fair Price:

Ideal for both professional workshops and home mechanics, this expansion tank offers the same reliability as OEM parts at a fraction of the dealer cost. It’s a smart and affordable solution for keeping your ML or GL-Class in top condition.

Order your Mercedes-Benz W164 Water Bottle today and drive with confidence knowing your cooling system is protected.