Change Car Water Pump Mercedes-Benz B-Class

Change Car Water Pump

Easy 3h00–8h00 ~300–800£
Estimated time 3h00–8h00
Estimated labour cost ~300–800£
Difficulty Easy
Renew the coolant pump Manual transmission 6h00
Renew the coolant pump Automatic transmission 6h00

What is the function of a Mercedes-Benz B-Class water pump?

The water pump circulates the coolant through the engine and radiators. Together with the thermostat, it maintains the engine within its operating temperature range. Most engines have a mechanical water pump driven by the timing belt or an accessory belt.

When should you change the Mercedes-Benz B-Class water pump?

If the water pump is driven by the timing belt, it is strongly recommended to replace it at the same time as the timing belt kit. Signs of failure include: coolant leak from the pump weep hole, grinding or whining noise, engine overheating.

Is it difficult to change the Mercedes-Benz B-Class water pump?

Difficulty level 2/5: technically easy if replaced as part of a timing belt kit change. If replaced independently, the timing belt must be removed and refitted, requiring engine timing tools.

View all compatible products →
View your B-Class maintenance plan (keep the B-Class token) →

3 models covered

Model Year Range Engines covered Fuel
B-Class 2005-2011 2005-2011 150, -LPG LPG,Petrol (266.920), 170 NGT BlueEFF CNG,Petrol (266.960), 170, -LPG LPG,Petrol (266.940), 180 BlueEFF, LPG LPG,Petrol (266.940), 180 CDI Diesel (640.940), 200 CDI Diesel (640.941), 200 Turbo, -LPG LPG,Petrol (266.980), 200, -LPG LPG,Petrol (266.960) CNG, Diesel, LPG, Petrol
B-Class 2011-2018 2011-2018 160 CDI Diesel (607.951 (K9K)), 160 Petrol (270.910), 180 CDI Diesel (607.951 (K9K)), 180 CDI Diesel (651.901), 180 CGI, LPG LPG,Petrol (270.910), 200 CDI Diesel (651.901), 200 CDI, -4MATIC Diesel (651.930), 200 CGi Petrol (270.910), 200 NGT CNG,Petrol (270.920), 220 CDI Diesel … CNG, Diesel, LPG, Petrol
B-Class 2019-2025 2019-2025 160 d Diesel (608.915 (K9K)), 160 Petrol (282.914), 180 D Diesel (608.915 (K9K)), 180 D Diesel (654.920), 180 Petrol (282.914), 200 D Diesel (654.920), 200 Petrol (282.914), 220 4MATIC 48V (MHEV),Petrol (260.920), 220 D Diesel (654.920), 250, -4MATIC 48V (MHEV),Petrol (260.920) 48V (MHEV), Diesel, Petrol

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View the service schedule for your B-Class →