MiMi Auto Parts
WATER PUMP AUXILIARY 3PIN, Cooltec

WATER PUMP AUXILIARY 3PIN

Brand: Cooltec

SKU: 300989

Category: COOLING, WATER PUMP

R2 971,60 incl. 15% VAT

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

Product Description

This Cooltec WATER PUMP AUXILIARY 3PIN is designed for the cooling system of select Mercedes-Benz vehicles, supporting efficient coolant circulation to maintain optimal engine temperatures. The auxiliary water pump assists the main water pump in moving coolant through the engine and heater core, especially during idle or low-speed driving, ensuring consistent temperature control and cabin heating.

This part is suitable for various Mercedes-Benz models, including popular ranges produced between 2011 and 2022. It features a 3-pin electrical connector and compact cylindrical housing with two hose connections, tailored for seamless integration with compatible Mercedes-Benz cooling systems. Always confirm your vehicle's model, year, engine size, and engine code to ensure proper fitment before ordering.

Common symptoms of a failing auxiliary water pump include reduced cabin heating, engine running hotter than usual, fluctuating temperature gauge readings, abnormal noises from the pump area, coolant leaks, and warning lights related to the cooling system. If you notice any of these issues, it may indicate that the auxiliary water pump is no longer functioning correctly.

Replacing a faulty auxiliary water pump is important to prevent overheating, maintain comfortable cabin temperatures, and avoid potential engine damage. Installation should be performed by a qualified technician, and the cooling system should be checked for leaks or additional issues during replacement.

Trust MiMi Auto Parts for reliable cooling system components for your Mercedes-Benz. We offer nationwide delivery across South Africa, making it easy to get the parts you need quickly and conveniently.

Common signs this part may need replacement

  • Reduced or no cabin heating
  • Engine running hotter than normal
  • Fluctuating temperature gauge readings
  • Unusual noises from the pump area
  • Coolant leaks near the auxiliary pump
  • Heater not working at idle or low speeds
  • Warning lights related to the cooling system
  • Erratic coolant circulation

Typical replacement guidance

Replace the auxiliary water pump if you notice symptoms like poor cabin heating, engine temperature fluctuations, or coolant leaks. Timely replacement ensures your cooling system operates efficiently and prevents potential engine overheating.

Why timely replacement matters

Timely replacement of a faulty auxiliary water pump helps maintain proper engine temperature and consistent cabin heating. Delaying replacement can lead to overheating and costly engine repairs.

Vehicle Compatibility

This part is confirmed to fit the following vehicles:

  • MERCEDES-BENZ A-CLASS (W176) 2012 – 2018 A 45 AMG 4-matic (176.052) (M 133.980) – 265 kW / 360 HP
  • MERCEDES-BENZ A-CLASS (W176) 2012 – 2018 AMG A 45 4-matic (176.052) (M 133.980) – 280 kW / 381 HP
  • MERCEDES-BENZ AMG GT (X290) 2018 – 2025 63 S 4-matic+ (290.689) (M 177.980) – 470 kW / 639 HP
  • MERCEDES-BENZ C-CLASS (W205) 2013 – 2025 AMG C 43 4-matic (205.064) (M 276.823) – 270 kW / 367 HP
  • MERCEDES-BENZ C-CLASS (W205) 2013 – 2025 AMG C 43 4-matic (205.064) (M 276.823) – 287 kW / 390 HP
  • MERCEDES-BENZ C-CLASS (W205) 2013 – 2025 AMG C 63 (205.086) (M 177.980) – 350 kW / 476 HP
  • MERCEDES-BENZ C-CLASS (W205) 2013 – 2025 C 180 (205.040, 205.140) (M 274.910) – 115 kW / 156 HP
  • MERCEDES-BENZ C-CLASS (W205) 2013 – 2025 C 200 (205.042) (M 274.920) – 135 kW / 184 HP
  • MERCEDES-BENZ C-CLASS (W205) 2013 – 2025 C 200 (205.080) (M 264.920) – 150 kW / 204 HP
  • MERCEDES-BENZ C-CLASS (W205) 2013 – 2025 C 200 d (205.007) (OM 651.921) – 100 kW / 136 HP
  • MERCEDES-BENZ C-CLASS (W205) 2013 – 2025 C 200 EQ Boost (205.077) (M 264.915) – 135 kW / 184 HP
  • MERCEDES-BENZ C-CLASS (W205) 2013 – 2025 C 220 BlueTEC / d (205.002, 205.004) (OM 651.921) – 125 kW / 170 HP
  • MERCEDES-BENZ C-CLASS (W205) 2013 – 2025 C 220 d (205.014) (OM 654.920) – 143 kW / 194 HP
  • MERCEDES-BENZ C-CLASS (W205) 2013 – 2025 C 220 d 4-matic (205.015) (OM 654.920) – 143 kW / 194 HP
  • MERCEDES-BENZ C-CLASS (W205) 2013 – 2025 C 250 (205.045) (M 274.920) – 155 kW / 211 HP
  • MERCEDES-BENZ C-CLASS (W205) 2013 – 2025 C 250 BlueTEC / d (205.008, 205.006) (OM 651.921) – 150 kW / 204 HP
  • MERCEDES-BENZ C-CLASS (W205) 2013 – 2025 C 300 (205.048) (M 274.920) – 180 kW / 245 HP
  • MERCEDES-BENZ C-CLASS (W205) 2013 – 2025 C 300 (205.083) (M 264.920) – 190 kW / 258 HP
  • MERCEDES-BENZ C-CLASS (W205) 2013 – 2025 C 300 4-matic (205.049) (M 274.920) – 180 kW / 245 HP
  • MERCEDES-BENZ C-CLASS (W205) 2013 – 2025 C 350 e (205.047) (M 274.920) – 205 kW / 279 HP
  • MERCEDES-BENZ C-CLASS Convertible (A205) 2016 – 2025 AMG C 43 4-matic (205.464) (M 276.823) – 270 kW / 367 HP
  • MERCEDES-BENZ C-CLASS Convertible (A205) 2016 – 2025 AMG C 43 4-matic (205.464) (M 276.823) – 287 kW / 390 HP
  • MERCEDES-BENZ C-CLASS Convertible (A205) 2016 – 2025 AMG C 63 (205.486) (M 177.980) – 350 kW / 476 HP
  • MERCEDES-BENZ C-CLASS Convertible (A205) 2016 – 2025 AMG C 63 S (205.487) (M 177.980) – 375 kW / 510 HP
  • MERCEDES-BENZ C-CLASS Convertible (A205) 2016 – 2025 C 200 (205.442) (M 274.920) – 135 kW / 184 HP
  • MERCEDES-BENZ C-CLASS Convertible (A205) 2016 – 2025 C 220 d (205.404) (OM 651.921) – 125 kW / 170 HP
  • MERCEDES-BENZ C-CLASS Convertible (A205) 2016 – 2025 C 220 d (205.414) (OM 654.920) – 143 kW / 194 HP
  • MERCEDES-BENZ C-CLASS Convertible (A205) 2016 – 2025 C 220 d 4-matic (205.415) (OM 654.920) – 143 kW / 194 HP
  • MERCEDES-BENZ C-CLASS Convertible (A205) 2016 – 2025 C 300 (205.448) (M 274.920) – 180 kW / 245 HP
  • MERCEDES-BENZ C-CLASS Convertible (A205) 2016 – 2025 C 300 (205.483) (M 264.920) – 190 kW / 258 HP
  • MERCEDES-BENZ C-CLASS Coupe (C205) 2015 – 2025 AMG C 43 4-matic (205.364) (M 276.823) – 270 kW / 367 HP
  • MERCEDES-BENZ C-CLASS Coupe (C205) 2015 – 2025 AMG C 43 4-matic (205.364) (M 276.823) – 287 kW / 390 HP
  • MERCEDES-BENZ C-CLASS Coupe (C205) 2015 – 2025 AMG C 63 (205.386) (M 177.980) – 350 kW / 476 HP
  • MERCEDES-BENZ C-CLASS Coupe (C205) 2015 – 2025 AMG C 63 S (205.387) (M 177.980) – 375 kW / 510 HP
  • MERCEDES-BENZ C-CLASS Coupe (C205) 2015 – 2025 C 180 (205.340) (M 274.910) – 115 kW / 156 HP
  • MERCEDES-BENZ C-CLASS Coupe (C205) 2015 – 2025 C 200 (205.342) (M 274.920) – 135 kW / 184 HP
  • MERCEDES-BENZ C-CLASS Coupe (C205) 2015 – 2025 C 200 (205.380) (M 264.920) – 150 kW / 204 HP
  • MERCEDES-BENZ C-CLASS Coupe (C205) 2015 – 2025 C 220 d (205.304) (OM 651.921) – 125 kW / 170 HP
  • MERCEDES-BENZ C-CLASS Coupe (C205) 2015 – 2025 C 220 d (205.314) (OM 654.920) – 143 kW / 194 HP
  • MERCEDES-BENZ C-CLASS Coupe (C205) 2015 – 2025 C 220 d 4-matic (205.315) (OM 654.920) – 143 kW / 194 HP
  • MERCEDES-BENZ C-CLASS Coupe (C205) 2015 – 2025 C 250 d (205.308) (OM 651.921) – 150 kW / 204 HP
  • MERCEDES-BENZ C-CLASS Coupe (C205) 2015 – 2025 C 300 (205.348) (M 274.920) – 180 kW / 245 HP
  • MERCEDES-BENZ C-CLASS Coupe (C205) 2015 – 2025 C 300 (205.383) (M 264.920) – 190 kW / 258 HP
  • MERCEDES-BENZ C-CLASS T-Model (S205) 2014 – 2025 C 180 (205.240) (M 274.910) – 115 kW / 156 HP
  • MERCEDES-BENZ C-CLASS T-Model (S205) 2014 – 2025 C 200 (205.242) (M 274.920) – 135 kW / 184 HP
  • MERCEDES-BENZ C-CLASS T-Model (S205) 2014 – 2025 C 250 BlueTEC / d (205.208) (OM 651.921) – 150 kW / 204 HP
  • MERCEDES-BENZ C-CLASS T-Model (S205) 2014 – 2025 C 350 e (205.247) (M 274.920) – 205 kW / 279 HP
  • MERCEDES-BENZ CLA Coupe (C117) 2013 – 2019 CLA 45 AMG 4-matic (117.352) (M 133.980) – 265 kW / 360 HP
  • MERCEDES-BENZ CLA Shooting Brake (X117) 2015 – 2019 AMG CLA 45 4-matic (117.952) (M 133.980) – 280 kW / 381 HP
  • MERCEDES-BENZ CLA Shooting Brake (X117) 2015 – 2019 CLA 45 AMG 4-matic (117.952) (M 133.980) – 265 kW / 360 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

Because this component is part of the vehicle braking system, professional inspection and installation by a qualified mechanic is recommended. Incorrect installation of brake parts can affect vehicle safety.

Frequently Asked Questions

What are the signs of worn brake pads or brake components?

Common signs may include squealing or grinding noises when braking, reduced stopping ability, a soft brake pedal, vibration under braking, or the brake warning light on your dashboard. Because brakes are safety-critical, diagnosis and inspection by a qualified mechanic is recommended before replacement.

Can I replace only one side of the brakes?

Brake pads and discs are normally replaced as an axle set (both sides at the same time) to maintain balanced, even braking. Replacing only one side can cause the vehicle to pull when braking. Consult a qualified mechanic for guidance.

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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