Mercedes Expansion Tank Cap Parts

Showing 16 out of 16 part(s) found in our catalog.

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Mercedes Expansion Tank Cap
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Mercedes E320, SL500, 380SL, C230, 560SL, 300DT, 300SD, 190E, S500, 300E & more
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$16.09
Reg
$16.76
List
$15.00
1 per car.
Mercedes E320, E350, C300, SL500, ML350, C230, S550, GL450, S500, ML320 & more
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$32.99
Reg
$34.36
List
$30.00
1 per car.
Mercedes E320, E350, C300, SL500, ML350, C230, S550, GL450, S500, ML320 & more
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$12.89
Reg
$13.43
List
$35.00
Please verify appearance and pressure rating of cap installed on vehicle prior to ordering. 1 per car.
Mercedes E320, SL500, 380SL, C230, 560SL, 300DT, 300SD, 190E, S500, 300E & more
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$5.49
Reg
$5.72
List
$15.50
OEM
1 per car.
Mercedes 300SE, 300SEL, 280SL, 230SL, 230, 220S, 220, 250SE, 250S, 250SL & more
In Stock Status
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Leaves warehouse within 1-2 business days.
$34.99
Reg
$36.45
List
$70.00
OEM
Please verify appearance and pressure rating of cap installed on vehicle prior to ordering. 1 per car.
Mercedes 380SL, 560SL, 300DT, 450SL, 300SD, 240D, 300TDT, 300D, 450SLC, 300CDT & more
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$9.59
Reg
$9.99
List
$31.00
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Dodge Sprinter 2500, Sprinter 3500
Mercedes Sprinter 2500 RWD, Sprinter 2500, Sprinter 3500 RWD, Sprinter 2500 4WD, Sprinter 3500, Sprinter 3500 4WD
Available To Order Status
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Usually ships within 1-2 business days. Availability is not guaranteed.
$27.99
Reg
$29.16
List
$24.50
OEM
Also recommended to replace pressure cap, see 1635000006. 1 per car.
Mercedes ML350, ML320, ML500, ML430, ML55 AMG
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$38.99
Reg
$40.61
List
$256.00
Mercedes 380SL, 560SL, 300DT, 450SL, 300SD, 240D, 300TDT, 300D, 450SLC, 300CDT & more
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$11.79
Reg
$12.28
List
$31.00
OEM
Mercedes E320, SL500, 380SL, C230, 560SL, 300DT, 300SD, 190E, S500, 300E & more
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$8.59
Reg
$8.95
List
$15.50
1 per car.
Mercedes ML350, ML320, ML500, ML430, ML55 AMG
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$11.59
Reg
$12.07
List
$25.00
5.5l. 2.5l. 3.0l. 3.5l. 2.3L & 1.8L. 1.8l supercharged. Sedan, wagon, 2.6l & 3.2l without supercharger, wagon. Your part is located within diagram as #2.
Mercedes C55 AMG
Available To Order Status
Available To Order Information Icon
Usually ships within 1-2 business days. Availability is not guaranteed.
$4.19
Reg
$4.36
List
$3.50
Small. Location-Reservoir. Expansion tank cap. B class electric drive. Battery cooling sys cap. Your part is located within diagram as #11.
Smart Fortwo
Available To Order Status
Available To Order Information Icon
Usually ships within 1-2 business days. Availability is not guaranteed.
$30.99
Reg
$32.28
List
$32.50
1 per car.
Mercedes ML350, ML320, ML500, ML430, ML55 AMG
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$9.99
Reg
$10.41
List
$25.00
Reservoir Cap Large. 2.0l, glc350e. Engine Cooling. Battery Cooling. Location-Reservoir. Your part is located within diagram as #10.
Mercedes GLC350e, C350e, S550e
Available To Order Status
Available To Order Information Icon
Usually ships within 1-2 business days. Availability is not guaranteed.
$29.99
Reg
$31.24
List
$47.00
Reservoir Cap; Screw Cap 3.0L bi turbo, rear system. Your part is located within diagram as #6.
Mercedes GLE550e
Available To Order Status
Available To Order Information Icon
Usually ships within 1-2 business days. Availability is not guaranteed.
$34.99
Reg
$36.45
List
$35.00

Based on industry averages you can expect to pay between $4.19 and $38.99 for a Mercedes expansion tank cap.

The expansion tank of your Mercedes-Benz is actually a plastic bottle that carries the coolant required for your engine's proper operation. The expansion tank cap's job is to adjust the internal pressure in the cooling circuit. Expansion tank caps have a 2-way valve and a pressure relief valve. As the coolant heats, the cap regulates the pressure and permits coolant to flow back into the radiator as the engine cools.

Like all other parts, the Mercedes expansion tank cap will need to be replaced over time. Here are the most prevalent signs of a faulty expansion tank cap that you should be aware of:

  • Overheating engine
  • Leaking coolant
  • Burst or collapsed radiator hose
  • Reservoir tank overflowing

AutohausAZ makes it easy to locate and order the Mercedes radiator cap you need. Avoid the headache of receiving the wrong part by using our fitment tool. Once you've entered your Mercedes' specifics, we'll provide you with a list of expansion tank caps guaranteed to fit.

Auto Parts We Offer for Mercedes