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Motorad 668-212 Thermostat Housing Assembly w/ Sensor - Mercedes
Motorad 668-212 Thermostat Housing Assembly w/ Sensor - Mercedes
Motorad 668-212 Thermostat Housing Assembly w/ Sensor - Mercedes
Motorad 668-212 Thermostat Housing Assembly w/ Sensor - Mercedes
Motorad 668-212 Thermostat Housing Assembly w/ Sensor - Mercedes
Motorad 668-212 Thermostat Housing Assembly w/ Sensor - Mercedes
Motorad 668-212 Thermostat Housing Assembly w/ Sensor - Mercedes
Motorad 668-212 Thermostat Housing Assembly w/ Sensor - Mercedes
Motorad 668-212 Thermostat Housing Assembly w/ Sensor - Mercedes
Motorad 668-212 Thermostat Housing Assembly w/ Sensor - Mercedes
Motorad 668-212 Thermostat Housing Assembly w/ Sensor - Mercedes
Motorad 668-212 Thermostat Housing Assembly w/ Sensor - Mercedes
Motorad 668-212 Thermostat Housing Assembly w/ Sensor - Mercedes
Motorad 668-212 Thermostat Housing Assembly w/ Sensor - Mercedes
Motorad 668-212 Thermostat Housing Assembly w/ Sensor - Mercedes
Motorad 668-212 Thermostat Housing Assembly w/ Sensor - Mercedes
Motorad

Motorad 668-212 Thermostat Housing Assembly w/ Sensor - Mercedes

$112.99 In Stock Sold out
SKU: 668-212
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FAST DELIVERY

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  • Description
  • Fitment
  • Warranty and Refund
  • Reviews

The Motorad 668-212 is a complete Engine Coolant Thermostat Housing Assembly engineered to OEM specifications for select 2005-2013 Mercedes-Benz vehicles, including SLK350, E350, ML350, C230, C280, C350, R350, and GLK350 models with 2.5L, 3.0L, and 3.5L V6 engines. Built from aluminum, copper, and stainless steel, this assembly opens at 212°F (100°C) to help maintain consistent engine operating temperature. It arrives ready to install with the thermostat, housing, integrated sensor, and paper gasket included, so there's no need to source separate parts. A built-in bleeder hole and jiggle pin check valve help support proper coolant flow and air release during system fill-up. Designed as a direct-fit original equipment style replacement, it's built to restore reliable cooling system performance without modification. Whether you're replacing a leaking housing or a failed thermostat, this all-in-one assembly simplifies the repair.

Features

  • Includes thermostat, housing, sensor, and paper gasket for a single complete repair
  • Opens at 212°F (100°C) for OEM-style coolant flow regulation
  • Bleeder hole helps release trapped air during coolant system fill-up
  • Jiggle pin check valve supports proper venting and coolant circulation
  • Aluminum, copper, and stainless steel construction for durable cooling system service

Application Summary

2005-2011 Mercedes-Benz SLK350 3.5L 3498CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2006, 2008-2009 Mercedes-Benz C230 2.5L 2496CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2006-2007, 2009 Mercedes-Benz C280 3.0L 2996CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2006-2008 Mercedes-Benz SLK280 3.0L 2996CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2006-2009 Mercedes-Benz CLK350 3.5L 3498CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2006-2009 Mercedes-Benz ML350 3.5L 3498CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2006-2010, 2012 Mercedes-Benz R350 3.5L 3498CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2006-2011 Mercedes-Benz C350 3.5L 3498CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2006-2011 Mercedes-Benz E350 3.5L 3498CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2007 Mercedes-Benz C230 2.5L 2496CC -CID V6 DOHC 24 Valve Naturally Aspirated FLEX
2007-2008 Mercedes-Benz E280 3.0L 2996CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2007-2009 Mercedes-Benz CLK280 3.0L 2996CC 183CID V6 DOHC 24 Valve Naturally Aspirated GAS
2007-2011 Mercedes-Benz CLS350 3.5L 3498CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2008 Mercedes-Benz C300 3.0L 2996CC -CID V6 DOHC 24 Valve Naturally Aspirated FLEX
2008-2009 Mercedes-Benz E300 3.0L 2996CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2009 Mercedes-Benz E280 3.0L 2996CC 183CID V6 DOHC 24 Valve Naturally Aspirated GAS
2009 Mercedes-Benz GLK350 3.5L 3498CC 213CID V6 DOHC 24 Valve Naturally Aspirated GAS
2009-2011 Mercedes-Benz SLK300 3.0L 2996CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2009-2012 Mercedes-Benz C300 3.0L 2996CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2010 Mercedes-Benz C250 2.5L 2496CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2010-2011 Mercedes-Benz ML350 3.0L 2987CC -CID V6 DOHC 24 Valve Turbocharged DIESEL
2010-2011 Mercedes-Benz ML450 3.5L 3498CC -CID V6 DOHC 24 Valve Naturally Aspirated FULL HYBRID EV-GAS (FHEV)
2010-2012 Mercedes-Benz GLK300 3.0L 2996CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2010-2012 Mercedes-Benz GLK350 3.5L 3498CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2010-2013 Mercedes-Benz S400 3.5L 3498CC -CID V6 DOHC 24 Valve Naturally Aspirated FULL HYBRID EV-GAS (FHEV)
2011 Mercedes-Benz C250 1.8L 1796CC 110CID L4 DOHC 16 Valve Turbocharged GAS
Part Numbers: 668-212

Specifications

  • Brand: Motorad
  • Part Number: 668-212
  • Part Type: Engine Coolant Thermostat Housing Assembly
  • UPC: 055644668123
  • GTIN: 00055644668123
  • Package Dimensions: 13.2 x 12.2 x 6.2 IN
  • Package Weight: 7.35 LB
  • Package Quantity: EA

Returns

30-Day Money-Back Guarantee

We want you to be completely satisfied with your purchase! If you are not happy for any reason, you may return the item within 30 days for a refund, minus shipping fees, provided that: The part is brand new, uninstalled, and undamaged in any way.

To initiate a return, please contact us or email support@mizumoauto.com for a Return Authorization Number (RMA) and the return shipping address. Returns without an RMA number will be refused and returned to you at your expense.

Return Requirements:

  • Items must be securely packed in the original manufacturer's packaging.
  • All original materials must be included, such as hardware, manuals, protective caps, wrapping, and instructions.
  • You must obtain and retain the tracking number for your return.

Non-Returnable Items:

  • Piston rings, main bearings, and rod bearings are non-returnable if the manufacturer’s seal or shrink-wrapped plastic has been opened. No exceptions—this ensures the integrity of the parts you receive.

We are not responsible for lost or damaged returns. If your return is lost or damaged during shipping, a refund cannot be issued, as the item cannot be resold or returned to the supplier. Please file a claim directly with your shipping carrier for reimbursement.

Refunds are processed within 1-2 business days after we receive and inspect the returned item. Please allow this processing time before inquiring about your refund status.

 


Warranty

Mizumo Auto provides a 90-day Limited Warranty against defects in workmanship and materials under normal service conditions, effective from the original delivery date.

This warranty is non-transferable and applies only to the original purchaser. Coverage is limited to the replacement or refund of defective products.

Exclusions:

The warranty does not cover labor costs, damage resulting from accidents, misuse, alterations, or unauthorized modifications, as well as additional expenses such as towing, fluids, oils, car rentals, and any other parts not included in the original purchase.

Warranty Claims Process:

  • All warranty claims must be pre-authorized and returned prepaid to Mizumo Auto for inspection and approval.
  • No exchanges will be made for products that have been damaged, misused, or improperly installed. We strongly recommend professional installation.
  • The buyer assumes all risk of damage resulting from improper installation.

All disputes related to transactions shall be resolved by a court of competent jurisdiction in Los Angeles County, California.

 


Shipping

We offer Free UPS Ground or USPS Ground Advantage shipping within the continental U.S. (48 states).

Shipping to Other Locations:

A delivery surcharge applies to shipments to: Alaska, Hawaii, Puerto Rico, U.S. territories, APO/FPO addresses, Canada, and international destinations.

Order Processing & Tracking:

  • Orders are shipped Monday through Friday, excluding holidays.
  • Orders placed before 3:00 PM PST will ship the same day, unless unexpected delays occur.
  • A tracking number will be emailed within one business day after shipping.

If you do not receive a tracking number, please:

  • Check your spam/junk folder.
  • If it's not there, contact us via phone or eBay message for assistance.

International Orders:

Import duties, taxes, and brokerage fees are not included in the shipping fee. Please check with your shipping carrier and local customs office regarding any applicable fees before placing your order.

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