Warranty & Shipping
Product Reviews
Vehicle Fit

Our coolant overflow bottles are some of the highest quality replacements on the market!

This radiator coolant overflow tank has been designed to replace the original design.


  • Direct replacement
  • Replaces dealer part number: 2115000049, 211 500 0049
  • Plastic construction
  • Commonly called "Coolant Overflow Tank or Reservoir, or Expansion Tank"
  • Does NOT include the Cap
    • Buyer will need to reuse original cap

Now you can buy a high quality coolant reservoir that is built to strict quality control standards. REPLACE your broken or cracked one now with this great fitting Radiator Overflow Bottle.

Item Condition: New

Attention California Customers:

WARNING: Cancer and Reproductive Harm -

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

There are no reviews for this item.
Will this fit my car? Add a vehicle to make sure
Customer Q&A
Ask a question to 1A Auto customers who purchased the product
No questions have been asked about this item.
Year Make Model Description
2006Mercedes Benz CLS500 Mercedes Benz CLS500 Radiator Overflow Bottle
2006Mercedes Benz CLS55 AMG Mercedes Benz CLS55 AMG Radiator Overflow Bottle
2007-2011Mercedes Benz CLS550 Mercedes Benz CLS550 Radiator Overflow Bottle
2007-2010Mercedes Benz CLS63 AMG Mercedes Benz CLS63 AMG Radiator Overflow Bottle
2003Mercedes Benz E320 Mercedes Benz E320 Sedan Radiator Overflow Bottle
2004-2009Mercedes Benz E320 Mercedes Benz E320 Radiator Overflow Bottle
2006-2009Mercedes Benz E350 Mercedes Benz E350 Radiator Overflow Bottle
2003-2006Mercedes Benz E500 Mercedes Benz E500 Radiator Overflow Bottle
2003-2006Mercedes Benz E55 AMG Mercedes Benz E55 AMG Radiator Overflow Bottle
2007-2009Mercedes Benz E550 Mercedes Benz E550 Radiator Overflow Bottle
2007-2009Mercedes Benz E63 AMG Mercedes Benz E63 AMG Radiator Overflow Bottle
Part #: 1AROB00064

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout