I carefully removed the throttle body n cleaned it well leaving it shinny, opened it to check the wires by the sensor and have a look by the sensor and everything looked very fine in there like new. put the car on and had someone press the peddle while I was using a multimeter to check if there is power coming to the throttle I had no power coming. NB*I removed the ECU on the right side under the hood and found that 1 of them has rust by the pins indicating that water had been there and might have passed to the inside, are the ECU's water proof
Sounds as if it is in emergency service mode , if you can obtain or borrow an OBDC II reader ( I thinks it's OBD2 for that model ) it will show you the scan of the engine management diagnostics and give you fault codes corresponding to the faults in your car ( Know as DT's ) look on the Mercedes forums and they will tell you what fault codes mean .
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the mechanic who checked it once and he picked up a throttle sensor cleared the code and the code never came back but the car still behaves the same, ran away (I would say) cos after that the mechanic never came back and started not answering his phone for all most a month now. The next help I can get is almost a thousand km away. so I need help
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