Hello, this morning after starting and opening the roof, the battery light and the lamp for ASR and ABS suddenly lit up, the engine’s gas consumption was delayed. The engine “saws” in idle mode. Immediate workshop visit; after the diagnosis of the Daimler customer service, the controller of the alternator was broken and an output voltage of 18 volts was measured. It could also be that a control unit was broken; however, this can only be determined if the light mschin e. Alternator exchange: 900 Euro, control unit only material costs of 2500 Euro. I was quite impressed by that – I bought the car two years ago and since then I drove about 8000 km. In itself I have confidence in my workshop, but here I would like to ask once in the round, if this sounds plausible for you ? Also, about the costs? Who has had such a thing on his car before? Gruss Wolfram 1