Mercedes-Benz W115 Water Pump
New, used, or aftermarket – from sellers across Europe.
Parts availability
This part appears to be widely available.
Estimated price range
Widely available Limited Hard to find
Last updated: 03.06.2026, 19:05
Water Pump for your Mercedes-Benz W115?
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Find Mercedes-Benz W115 parts online
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About this part
The water pump on your W115 circulates coolant between the engine and radiator. A failing pump causes overheating, leaks and in severe cases engine damage – timely replacement is essential.
Frequently asked questions
What should I check when buying a replacement water pump for the Mercedes-Benz W115?
Match the exact engine code and the model year of your W115. Check whether the gasket and thermostat housing are included, as these are commonly replaced together.
Should I replace the timing belt and water pump together?
If the timing belt drives the water pump, yes. The labour to access both overlaps significantly, making it far more cost-effective to replace them at the same time.
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