MiMi Auto Parts
THERMOSTAT 100°C, Cooltec

THERMOSTAT 100°C

Brand: Cooltec

SKU: 300058

Category: COOLING, THERMOSTAT

R1 207,50 incl. 15% VAT

✓ In stock, ships nationwide via The Courier Guy

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Fitment: Fits selected Mercedes-Benz models. Confirm exact fitment before ordering.

Product Description

The Cooltec Thermostat 100°C is a crucial component in the cooling system of select Mercedes-Benz models. Designed to regulate the engine's operating temperature, this thermostat ensures that your vehicle maintains optimal performance and efficiency by opening and closing at the precise temperature threshold of 100°C. Its integrated housing and spring mechanism allow for reliable temperature control, helping to prevent overheating and excessive engine wear.

This thermostat is compatible with various Mercedes-Benz models, including W203, W204, CLK, CLS, W211, W212, and ML W164 with M272 engines. Always confirm your vehicle's model, year, engine size, and engine code before ordering to ensure proper fitment.

A failing thermostat can cause several issues, such as engine overheating, poor heater performance, fluctuating temperature gauge readings, and even engine management warning lights. You may also notice coolant leaks around the thermostat housing or increased fuel consumption due to improper engine temperature regulation.

It is advisable to replace the thermostat if you experience any of these symptoms or during routine cooling system maintenance. Timely replacement helps protect your engine from potential damage caused by overheating or running too cold, ensuring continued reliability and efficiency.

Order your Cooltec Thermostat 100°C from MiMi Auto Parts for trusted service and nationwide delivery across South Africa. Our team is ready to assist you in finding the right part for your Mercedes-Benz, so you can drive with confidence.

Common signs this part may need replacement

  • Engine overheating
  • Erratic or fluctuating temperature gauge readings
  • Poor heating performance from cabin heater
  • Coolant leaks near thermostat housing
  • Check engine or temperature warning light illuminated
  • Engine running colder or hotter than normal
  • Increased fuel consumption
  • Rough engine idle after warm-up

Typical replacement guidance

Replace the thermostat if you notice inconsistent temperature readings, overheating, or after major cooling system repairs. Regular replacement is also recommended as part of preventative maintenance, especially for vehicles with higher mileage or age.

Why timely replacement matters

A faulty thermostat can lead to engine overheating or inefficient operation, risking costly engine damage. Timely replacement ensures your Mercedes-Benz operates within the correct temperature range for optimal performance and longevity.

Vehicle Compatibility

This part is confirmed to fit the following vehicles:

  • MERCEDES-BENZ C-CLASS (W203) 2000 – 2007 C 230 (203.052) (M 272.920) – 150 kW / 204 HP
  • MERCEDES-BENZ C-CLASS (W203) 2000 – 2007 C 280 (203.054) (M 272.940) – 170 kW / 231 HP
  • MERCEDES-BENZ C-CLASS (W203) 2000 – 2007 C 350 (203.056) (M 272.960) – 200 kW / 272 HP
  • MERCEDES-BENZ C-CLASS (W204) 2007 – 2014 C 280 (204.054) (M 272.947) – 170 kW / 231 HP
  • MERCEDES-BENZ C-CLASS (W204) 2007 – 2014 C 300 (204.054) (M 272.947) – 170 kW / 231 HP
  • MERCEDES-BENZ C-CLASS (W204) 2007 – 2014 C 350 (204.056) (M 272.961) – 200 kW / 272 HP
  • MERCEDES-BENZ C-CLASS (W204) 2007 – 2014 C 350 4-matic (204.087) (M 272.971) – 200 kW / 272 HP
  • MERCEDES-BENZ C-CLASS Coupe (CL203) 2001 – 2008 C 230 (203.752) (M 272.920) – 150 kW / 204 HP
  • MERCEDES-BENZ C-CLASS Coupe (CL203) 2001 – 2008 C 350 (203.756) (M 272.960) – 200 kW / 272 HP
  • MERCEDES-BENZ C-CLASS T-Model (S203) 2001 – 2007 C 230 (203.252) (M 272.920) – 150 kW / 204 HP
  • MERCEDES-BENZ C-CLASS T-Model (S203) 2001 – 2007 C 280 (203.254) (M 272.940) – 170 kW / 231 HP
  • MERCEDES-BENZ C-CLASS T-Model (S203) 2001 – 2007 C 350 (203.256) (M 272.960) – 200 kW / 272 HP
  • MERCEDES-BENZ C-CLASS T-Model (S204) 2007 – 2014 C 230 (204.252) (M 272.921) – 150 kW / 204 HP
  • MERCEDES-BENZ C-CLASS T-Model (S204) 2007 – 2014 C 280 (204.254) (M 272.947) – 170 kW / 231 HP
  • MERCEDES-BENZ C-CLASS T-Model (S204) 2007 – 2014 C 300 (204.254) (M 272.947) – 170 kW / 231 HP
  • MERCEDES-BENZ C-CLASS T-Model (S204) 2007 – 2014 C 350 (204.256) (M 272.961) – 200 kW / 272 HP
  • MERCEDES-BENZ CLC-CLASS (CL203) 2008 – 2011 CLC 350 (203.756) (M 272.960) – 200 kW / 272 HP
  • MERCEDES-BENZ CLK (C209) 2002 – 2009 CLK 350 (209.356) (M 272.960) – 200 kW / 272 HP
  • MERCEDES-BENZ CLK Convertible (A209) 2002 – 2010 CLK 350 (209.456) (M 272.960) – 200 kW / 272 HP
  • MERCEDES-BENZ CLS (C219) 2004 – 2010 CLS 350 (219.356) (M 272.964) – 200 kW / 272 HP
  • MERCEDES-BENZ CLS (C219) 2004 – 2010 CLS 350 (219.357) (M 272.985) – 215 kW / 292 HP
  • MERCEDES-BENZ E-CLASS (W211) 2002 – 2008 E 280 (211.054) (M 272.943) – 170 kW / 231 HP
  • MERCEDES-BENZ E-CLASS (W211) 2002 – 2008 E 350 (211.056) (M 272.964) – 200 kW / 272 HP
  • MERCEDES-BENZ E-CLASS (W212) 2009 – 2016 E 300 (212.054) (M 272.952) – 170 kW / 231 HP
  • MERCEDES-BENZ E-CLASS (W212) 2009 – 2016 E 350 (212.056) (M 272.980) – 200 kW / 272 HP
  • MERCEDES-BENZ E-CLASS (W212) 2009 – 2016 E 350 4-matic (212.087) (M 272.977) – 200 kW / 272 HP
  • MERCEDES-BENZ E-CLASS (W212) 2009 – 2016 E 350 CGI (212.057) (M 272.983) – 215 kW / 292 HP
  • MERCEDES-BENZ E-CLASS Convertible (A207) 2010 – 2016 E 350 (207.456) (M 272.961|M 272.988) – 200 kW / 272 HP
  • MERCEDES-BENZ E-CLASS Coupe (C207) 2009 – 2016 E 350 (207.356) (M 272.961|M 272.988) – 200 kW / 272 HP
  • MERCEDES-BENZ E-CLASS T-Model (S211) 2003 – 2009 E 280 T (211.254) (M 272.943) – 170 kW / 231 HP
  • MERCEDES-BENZ E-CLASS T-Model (S211) 2003 – 2009 E 350 T (211.256) (M 272.964) – 200 kW / 272 HP
  • MERCEDES-BENZ E-CLASS T-Model (S211) 2003 – 2009 E 350 T 4-matic (211.287) (M 272.972) – 200 kW / 272 HP
  • MERCEDES-BENZ E-CLASS T-Model (S212) 2009 – 2016 E 300 (212.254) (M 272.952) – 170 kW / 231 HP
  • MERCEDES-BENZ E-CLASS T-Model (S212) 2009 – 2016 E 350 (212.256) (M 272.980) – 200 kW / 272 HP
  • MERCEDES-BENZ E-CLASS T-Model (S212) 2009 – 2016 E 350 4-matic (212.287) (M 272.977) – 200 kW / 272 HP
  • MERCEDES-BENZ M-CLASS (W164) 2005 – 2011 ML 350 4-matic (164.186) (M 272.967) – 200 kW / 272 HP
  • MERCEDES-BENZ R-CLASS (W251, V251) 2005 – 2026 R 300 (251.054, 251.154) (M 272.945) – 170 kW / 231 HP
  • MERCEDES-BENZ R-CLASS (W251, V251) 2005 – 2026 R 300 4-matic (251.062) (M 272.945) – 170 kW / 231 HP
  • MERCEDES-BENZ R-CLASS (W251, V251) 2005 – 2026 R 350 4-matic (251.065, 251.165) (M 272.967) – 200 kW / 272 HP
  • MERCEDES-BENZ S-CLASS (W221, V221) 2005 – 2013 S 350 (221.056, 221.156) (M 272.965) – 200 kW / 272 HP
  • MERCEDES-BENZ SLK (R171) 2004 – 2011 350 (171.456) (M 272.963) – 200 kW / 272 HP
  • MERCEDES-BENZ SLK (R171) 2004 – 2011 350 (171.458) (M 272.969) – 224 kW / 305 HP

Fitment support

Not sure if this part fits your vehicle? Contact MiMi Auto Parts with your vehicle make, model, year, and engine code before ordering and we will help confirm fitment.

Installation note

Cooling system work involves draining and refilling coolant and may require specialised tools. Professional installation is recommended to ensure correct coolant mixture, bleeding of air from the system, and leak-free connections.

Frequently Asked Questions

What are the signs of a failing water pump?

Common signs may include coolant leaks near the front of the engine, engine overheating, a whining or grinding noise from the water pump area, or coolant loss without visible external leaks. Diagnosis should be confirmed before replacement.

Can I drive with a coolant leak?

Driving with a coolant leak is not recommended. Loss of coolant can lead to engine overheating and potentially serious engine damage. The vehicle should be inspected and the leak repaired before further driving.

Does this part fit my vehicle?

Please check the vehicle compatibility section on this page and confirm your vehicle make, model, year, engine size, and engine code before ordering. If you are unsure, contact MiMi Auto Parts before checkout.

Is the price VAT-inclusive?

Yes, product prices on MiMi Auto Parts are shown inclusive of VAT where applicable.

Do you deliver across South Africa?

Yes, MiMi Auto Parts delivers nationwide in South Africa. Delivery cost and estimated timing are calculated during checkout based on your location.

Is professional installation recommended?

Professional installation is recommended for safety-critical and technical parts such as airbag, clock spring, brakes, suspension, steering, clutch, cooling, engine, and electrical components. For guidance specific to this part, see the installation note on this page.

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