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How to Replace the Coolant Temperature Sensor on a Mercedes A-Class

Model: Mercedes Classe A W169 - Years 2004-2012
Part: Engine coolant temperature sensor

In this video, see the procedure for removing and replacing the coolant temperature sensor on a Mercedes A-Class. First, open the hood and disconnect the coolant hose from the thermostat, allowing the fluid to drain into a container. Next, remove the mounting screws for the temperature sensor and disconnect the electrical connectors. Now, replace the old sensor with the new one, using the original part. Finally, reassemble everything by following the reverse procedure!

Updated on 8 May 2026 by ScegliAuto

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How to Repair the Key Spring of the Peugeot 207?

Over time, frequent use of the key's flip mechanism in the vehicle, dozens of times a day, inevitably leads to wear of the internal spring. As shown in this video, replacing the spring is quite simple and takes little time. After opening the casing halfway, first position the key, then the spring housing, and finally insert the spring into the previously mentioned housing. Close the casing by rotating it clockwise, ensuring all components fit perfectly, and test the key's flip mechanism.

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