Mercedes-Benz A21050001234 Coolant Expansion Tank

Description:

The Mercedes-Benz E320 (W210) Coolant Fluid Tank Bottle Reservior Factory 1999 is used to store and regulate engine coolant within the vehicle's pressurized cooling system. Commonly installed in 1999 Mercedes-Benz E320 W210 models equipped with the 3.2L M112 V6 engine to maintain proper coolant levels and accommodate thermal expansion during engine operation. Automotive technicians and Mercedes-Benz owners use this reservoir for replacement of cracked, leaking, or deteriorated expansion tanks during cooling system maintenance and repairs.

Applications:

This Mercedes-Benz E320 (W210) Coolant Fluid Tank Bottle Reservior Factory is commonly used on 1999 sedans and wagons with the M112 V6 engine. It is suitable for cooling system overhauls, radiator replacements, thermostat service, water pump repairs, and preventive maintenance to ensure proper coolant circulation and engine temperature control.

Technical Specifications:

• Vehicle Make: Mercedes-Benz
• Vehicle Model: E320 (W210)
• Model Year: 1999
• Product Type: Engine Coolant Expansion Tank / Reservoir Bottle
• OEM Application: Factory Cooling System Reservoir
• Engine Compatibility: 3.2L M112 V6
• Material: High-temperature molded plastic
• Function: Stores excess coolant and maintains proper cooling system pressure
• Coolant Level Sensor Port: Yes
• Pressure Cap Compatibility: Standard Mercedes-Benz coolant reservoir cap
• Mounting Location: Engine compartment, adjacent to the radiator
• Direct OEM-style fit and replacement

Common Replacements:

• Mercedes-Benz A2105000549
• Mercedes-Benz A2105000649
• URO Parts 2105000549