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Frequently asked questions about cars and motorcycles

Replacing the Water Pump on the Mercedes A-Class

Model: Mercedes Classe A W176 - Years 2012-2018
Part: Pump

This guide outlines the main steps to remove and replace the water pump or coolant pump on the Mercedes A-Class. First, open the hood and start by removing the serpentine belt, loosening the tensioner. Next, remove the air filter housing and then take off the fan, as shown in the video. At this point, remove the bolts from the engine mount to take it out; then unscrew the additional bolts from the water pump, removing the entire assembly. Finally, replace and reassemble everything!

Updated on 8 May 2026 by ScegliAuto

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