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Why would the thermostat gauge be running hot in your 1989 Mercedes 190E when fan and water levels seem fine?
Wiki User
∙ 13y ago
well if it has the same engine layout as my 1993 190e in the front of the engine there is a fan, and that fan has a clutch integrated into it, to engage when the engine starts to over heat, and they do wear out which means you can stop the fan with your hand while the engine is running. not recommended to try doing with your fingers.
Wiki User
∙ 13y ago
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it the thermostat you should get it checked out because mine was doing that an it was running hot an i didnt know it because there was no steam
