ESP lights comes on Loss of power


Only time I had MAF issue was back on my W202, same symptoms as yours but only difference was rpm jumping and engine was stalling. Changed MAF and everything was fine.
Why dont you try to accelerate the way you did but turn your ESP off
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while you have fault with CAN communication, can't tell positively about anything, till solved the issue with (~CAN/BUS~) fault..!!
did you Reset these codes..?,
seems this is not MB/SDS isn't..??
ZAYED,,




little bit patient with Right diagnose tool, should to shorten this.,
(CAN/BAS) is main "Controller Area Network", that communicate with each applications of all Modules/computers AKA/circuits,,
if there are a bad communication with CAN, it will be useless to solve any issues in whole system..!!
if he can't Reset the system, prefer to use STAR/SDS, to assure where/which the bad communication circuit..!
ZAYED,,
Take your time. Soon you'll have it right and the smiles begin.
When I get terribly confused on a problem I call Mercedes Benz. service department and tell them what is happening. Some Fella's are cool and like to give you their knowledge and opinion about trouble shooting.
Others won't say much even when you give them leads...they just say bring it in.
Independent Shops usually have Mechanics that like to talk like we on the Forum and give you their expertise.
If you have the ambition and are stumped on something- go- there and talk to them-the Mechanics-avoid the front desk.
Just be very polite. You will be amazed what GOOD info you can get without spending a dime.
I'm still on your problem and must think.
Getting leads from the Fella's here always helps.
Patience.
Frank



