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Febi 174399 Engine Coolant Thermostat
| Brand | Febi 174399 |
|---|---|
| Opening Temperature | 92 °c |
| Product line | febi |
| Fits | Mercedes-Benz · 21 vehicles |
Engine coolant thermostat. Regulates coolant flow at a 92 °C opening temperature.
Cross-references 642 200 16 15 and 642 200 22 15 for the same application. See all 2.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Engine Coolant Thermostat for Mercedes-Benz Diesel Cooling
Febi 174399 is an engine coolant thermostat with a 92 °C opening temperature for Mercedes-Benz diesel cooling systems. It is a direct-fit replacement for select GL350, GLE350d, ML350, S350, E300, and ML320 applications, helping the engine reach and maintain proper operating temperature.
Key Features
- 92 °C opening temperature for regulated coolant flow
- Febi febi product line replacement part for cooling system service
- Direct replacement for Mercedes-Benz thermostat applications
- Cross-references Mercedes-Benz part numbers 642 200 16 15 and 642 200 22 15
- Part number 174399 for cataloging and fitment lookup
Detailed Description
Febi 174399 is an engine coolant thermostat built for specific Mercedes-Benz diesel models, including GL350, GLE350d, ML350, S350, E300, and ML320. With a 92 °C opening temperature, it helps control coolant circulation so the engine can warm up properly and stay within its intended temperature range. The febi line is known for OE-style replacement components, making this thermostat a practical choice when servicing Mercedes-Benz cooling system faults or replacing a worn thermostat. If you are searching for a Mercedes-Benz GL350 thermostat, ML350 coolant thermostat, or Febi 174399 thermostat replacement, this part matches the listed applications.
This part cross-references Mercedes-Benz 642 200 16 15 and 642 200 22 15 for the same application.
What It Is Used For
- Engine temperature running too cool
- Slow warm-up after cold starts
- Temperature fluctuation from a sticking thermostat
- Cooling system service on Mercedes-Benz diesel models
- Replacement of an OE thermostat with the correct opening temperature
Installation Notes and Tips
Verify the part number and vehicle application before installation. Drain coolant as required, inspect the thermostat housing and sealing surfaces, and refill the cooling system with the correct coolant specification after service. Bleed air from the system according to Mercedes-Benz procedures to help prevent trapped air and temperature irregularities. Confirm proper engine operating temperature after installation.
Quality Assurance
Febi 174399 is a febi-branded replacement thermostat for the listed Mercedes-Benz applications. It is specified with a 92 °C opening temperature and is cataloged for direct replacement use in the fitments shown below.
- Fits 2010-2016 Mercedes-Benz GL350, N/A
- Fits 2016 Mercedes-Benz GLE350d, N/A
- Fits 2010-2015 Mercedes-Benz ML350, N/A
- Fits 2012-2013 Mercedes-Benz S350, N/A
- Fits 2010-2011 Mercedes-Benz E300, N/A
- Fits 2007-2009 Mercedes-Benz ML320, N/A
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2016 | Mercedes-Benz | GL350 | — | — | N/A | Weight (lbm / kg) 0.263 / 0.58; febi |
| 2016 | Mercedes-Benz | GLE350d | — | — | N/A | Weight (lbm / kg) 0.263 / 0.58; febi |
| 2015 | Mercedes-Benz | GL350 | — | — | N/A | Weight (lbm / kg) 0.263 / 0.58; febi |
| 2015 | Mercedes-Benz | ML350 | — | — | N/A | Weight (lbm / kg) 0.263 / 0.58; febi |
| 2014 | Mercedes-Benz | GL350 | — | — | N/A | Weight (lbm / kg) 0.263 / 0.58; febi |
| 2014 | Mercedes-Benz | ML350 | — | — | N/A | Weight (lbm / kg) 0.263 / 0.58; febi |
| 2013 | Mercedes-Benz | GL350 | — | — | N/A | Weight (lbm / kg) 0.263 / 0.58; febi |
| 2013 | Mercedes-Benz | ML350 | — | — | N/A | Weight (lbm / kg) 0.263 / 0.58; febi |
| 2013 | Mercedes-Benz | S350 | — | — | N/A | Weight (lbm / kg) 0.263 / 0.58; febi |
| 2012 | Mercedes-Benz | GL350 | — | — | N/A | Weight (lbm / kg) 0.263 / 0.58; febi |
| 2012 | Mercedes-Benz | ML350 | — | — | N/A | Weight (lbm / kg) 0.263 / 0.58; febi |
| 2012 | Mercedes-Benz | S350 | — | — | N/A | Weight (lbm / kg) 0.263 / 0.58; febi |
| 2011 | Mercedes-Benz | E300 | — | — | N/A | Weight (lbm / kg) 0.263 / 0.58; febi |
| 2011 | Mercedes-Benz | GL350 | — | — | N/A | Weight (lbm / kg) 0.263 / 0.58; febi |
| 2011 | Mercedes-Benz | ML350 | — | — | N/A | Weight (lbm / kg) 0.263 / 0.58; febi |
| 2010 | Mercedes-Benz | E300 | 3.0L | V6 | N/A | Weight (lbm / kg) 0.263 / 0.58; febi |
| 2010 | Mercedes-Benz | GL350 | — | — | N/A | Weight (lbm / kg) 0.263 / 0.58; febi |
| 2010 | Mercedes-Benz | ML350 | — | — | N/A | Weight (lbm / kg) 0.263 / 0.58; febi |
| 2009 | Mercedes-Benz | ML320 | — | — | N/A | Weight (lbm / kg) 0.263 / 0.58; febi |
| 2008 | Mercedes-Benz | ML320 | — | — | N/A | Weight (lbm / kg) 0.263 / 0.58; febi |
| 2007 | Mercedes-Benz | ML320 | — | — | N/A | Weight (lbm / kg) 0.263 / 0.58; febi |
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