MiMi Auto Parts
THERMOSTAT 103°C, Cooltec

THERMOSTAT 103°C

Brand: Cooltec

SKU: 300700

Category: COOLING, THERMOSTAT

R1 159,20 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

Keep your Mercedes-Benz engine running at the optimal temperature with the Cooltec Thermostat 103°C, designed for precise temperature regulation within the cooling system. This thermostat is engineered to open at 103°C, ensuring the engine warms up efficiently and maintains a stable operating temperature. It features an integrated housing with multiple hose connections and an electrical connector port, matching the requirements of specific Mercedes-Benz models.

This thermostat is suitable for selected Mercedes-Benz vehicles. For best results, always confirm your vehicle’s model, year, engine size, and engine code before ordering, as compatibility can vary between models and engine variants.

A faulty thermostat can cause a range of cooling system issues. Common symptoms include engine overheating, fluctuating temperature gauge readings, poor heater performance, increased fuel consumption, or coolant leaks around the thermostat housing. You may also notice the engine taking unusually long to reach operating temperature or the check engine light illuminating.

It is advisable to replace the thermostat if you notice any of these symptoms or during major cooling system maintenance. Thermostats can wear out over time due to constant exposure to heat cycles and coolant flow, leading to sticking or failure to open or close properly.

Order your Cooltec Thermostat 103°C from MiMi Auto Parts for reliable nationwide delivery in South Africa. Our team is ready to assist with any compatibility questions to ensure you receive the correct part for your Mercedes-Benz.

Common signs this part may need replacement

  • Engine overheating
  • Erratic or fluctuating temperature gauge readings
  • Coolant leaks near the thermostat housing
  • Heater not producing warm air
  • Engine takes too long to reach operating temperature
  • Check engine light related to coolant temperature
  • Increased fuel consumption
  • Poor engine performance during warm-up

Typical replacement guidance

Replace the thermostat if you notice signs of overheating, irregular temperature readings, or during major cooling system repairs. Regular replacement ensures your engine operates efficiently and prevents potential damage from temperature extremes.

Why timely replacement matters

A properly functioning thermostat is essential to prevent engine overheating and ensure efficient fuel consumption. Delaying replacement can lead to costly engine damage and reduced vehicle reliability.

Vehicle Compatibility

This part is confirmed to fit the following vehicles:

  • MERCEDES-BENZ C-CLASS (W204) 2007 – 2014 C 180 CGI (204.049) (M 271.820) – 115 kW / 156 HP
  • MERCEDES-BENZ C-CLASS (W204) 2007 – 2014 C 200 CGI (204.048) (M 271.820|M 271.860) – 135 kW / 184 HP
  • MERCEDES-BENZ C-CLASS (W204) 2007 – 2014 C 250 CGI (204.047) (M 271.860) – 150 kW / 204 HP
  • MERCEDES-BENZ C-CLASS Coupe (C204) 2011 – 2026 C 180 (204.349) (M 271.820) – 115 kW / 156 HP
  • MERCEDES-BENZ C-CLASS Coupe (C204) 2011 – 2026 C 200 CGI (204.348) (M 271.860) – 135 kW / 184 HP
  • MERCEDES-BENZ C-CLASS Coupe (C204) 2011 – 2026 C 250 (204.347) (M 271.860) – 150 kW / 204 HP
  • MERCEDES-BENZ C-CLASS T-Model (S204) 2007 – 2014 C 180 CGI (204.249) (M 271.820) – 115 kW / 156 HP
  • MERCEDES-BENZ C-CLASS T-Model (S204) 2007 – 2014 C 200 CGI (204.248) (M 271.820|M 271.860) – 135 kW / 184 HP
  • MERCEDES-BENZ C-CLASS T-Model (S204) 2007 – 2014 C 250 CGI (204.247) (M 271.860) – 150 kW / 204 HP
  • MERCEDES-BENZ E-CLASS (W212) 2009 – 2016 E 200 CGI (212.048, 212.148) (M 271.820|M 271.860) – 135 kW / 184 HP
  • MERCEDES-BENZ E-CLASS Convertible (A207) 2010 – 2016 E 250 CGI (207.447) (M 271.860) – 150 kW / 204 HP
  • MERCEDES-BENZ E-CLASS Coupe (C207) 2009 – 2016 E 250 CGI (207.347) (M 271.860) – 150 kW / 204 HP
  • MERCEDES-BENZ E-CLASS T-Model (S212) 2009 – 2016 E 200 CGI (212.248) (M 271.860) – 135 kW / 184 HP
  • MERCEDES-BENZ SLK (R172) 2011 – 2026 200 (172.448) (M 271.860|M 271.861) – 135 kW / 184 HP
  • MERCEDES-BENZ SLK (R172) 2011 – 2026 250 (172.447) (M 271.860|M 271.861) – 150 kW / 204 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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