Mercedes Benz Radiator Coolant Overflow Tank - 1AROB00018

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 for originals that are cracked or broken
  • Replaces dealer part numbers: 124 500 1349, 1245001349
  • Strengthened and redesigned in the vulnerable areas of failure
  • Plastic construction
  • Commonly called Expansion Tank by Mercedes
  • Fits W124 body chassis
  • Does not include cap or coolant lever sensor
  • Buyer will need to reuse original cap & Sensor

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.

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.

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Vehicle Fit

  • 1993 Mercedes Benz 300CE (W124 Body Type) Radiator Coolant Overflow Tank
  • 1993 Mercedes Benz 300E (W124 Body Type) Radiator Coolant Overflow Tank
  • 1993 Mercedes Benz 300TE (W124 Body Type) Radiator Coolant Overflow Tank
  • 1994-1995 Mercedes Benz E320 (W124 Body Type) Radiator Coolant Overflow Tank

This part replaces:

  • OE # 124 500 1349
Part #: 1AROB00018