S430LUCKDRAGON

Its weird my heated seats are not working and the light is just flashing on the heated seat buttons when i press them ! This started yesterday when i gave my friend a jump start and now my coolant light is on and flashing every minute or so .
I checked my heated seats 20 amp fuse under the hood and the fuse was ok and its getting power . Are there any other fuse boxes in this vehicle besides the one under the hood and the one in the passenger side foot well ?
Are there any relays i should check ? Thanks in advance for any advice

Plutoe

You have damaged the extended activity module(driver side underhood)---suggest you find someone with factory software or equal to preform a quick test and clear all faults within the EAM(which includes the two relays that control the voltage to the heated seats)

Maj. Dundee

I am assuming you are referring to the ML500, which has a 100 amp fuse attached to the positive battery cable (GREEN arrow).

You will see that it is blown because of incorrect jumping procedure.

S430LUCKDRAGON

Thank you guys both so much it was the 100 amp fuse dundee had mentioned , i replaced it and it seems to have cleared up both of the issues

fvlage

Where did you source the fuse I looked everywhere the only thing i can find is pictures of it on this forum

Maj. Dundee

Please UPDATE YOUR PROFILE in USER CP to include the year of you ML and where you live so I can give you the correct part #..

fvlage

Ok I think I got it if not i have 2003 Mercedes ML500 and I live in North Carolina

Maj. Dundee

Excellent.

You can only buy this fuse (100 amp) from the dealer and the nut must also be purchased as they break when removed.