看看是否類似？

https://youtu.be/JArA7yxALQY

 

https://mbworld.org/forums/e-class-coupe-c207-cabrio-a207/566949-e250-can-t-start-key-not-detected.html

Bulletin LI80.61-P-049924 may be applicable ? 204/207/212 at times not possible to start engine via KG at same time ?Key not recognized? message appears. Normally, if a key is not correctly recognized during the first query of a Keyless-Go start process, the query is automatically repeated 1 more time. Due to a SW error in the Keyless-Go control unit, there is no engine start repeat function for certain keys ? update control unit software.

 

對於刹車液，估計你曾經加過。換新brake pads時，應該先吸出一些。

brake fluid對車漆腐蝕性很強。不妨檢查溢出液是否進入附近的電路。