Electrical problem after jump.
Thread Starter
Super Member
Joined: Mar 2015
Posts: 885
Likes: 57
From: PA
2019 E63s AMG
Electrical problem after jump.
Hello guys,
Friend of mine had a guy jump start his 2010 C300 because he left his lights on. The other guy car must have had issues cause he had multiple system fail/short and I need help figuring out if this is likely dead fuses, control units or something else.
These are the 4 systems having problems attached.
Thanks.
Friend of mine had a guy jump start his 2010 C300 because he left his lights on. The other guy car must have had issues cause he had multiple system fail/short and I need help figuring out if this is likely dead fuses, control units or something else.
These are the 4 systems having problems attached.
Thanks.
Super Member
Joined: Aug 2016
Posts: 520
Likes: 45
From: Regina SK
2008 C-230 4Matic Sport
There is a specific procedure for boosting your friend should know about.
https://mbworld.org/how-tos/a/merced...our-car-387069
Maybe they didn't ground your friends car correctly while boosting and something shorted as the result.
https://mbworld.org/how-tos/a/merced...our-car-387069
Maybe they didn't ground your friends car correctly while boosting and something shorted as the result.
Last edited by Colin G; Sep 28, 2016 at 05:17 PM.
Senior Member
Joined: Jul 2011
Posts: 256
Likes: 55
From: Ontario, Canada
2008 MB C350 4MATIC/2011 CL63 AMG/2014 C63 Coupe 507
I thought my car had a dead battery. We jumped it, and nothing worked. I found out my battery was still fully charged. My instrument cluster went nuts, car won't start, but the electronics work.
Keep me posted on if the car did the same thing, or what the issue ended up being.
Thank you.
Keep me posted on if the car did the same thing, or what the issue ended up being.
Thank you.
Super Member
Joined: Oct 2014
Posts: 701
Likes: 103
From: Ontario, Canada
2009 C63 AMG, 2010 C250 4Matic Sport
You can check the fuses first to see if anything was blown. Disconnect the battery and leave it overnight, reconnect in the morning and see if any faults go away
Thread Starter
Super Member
Joined: Mar 2015
Posts: 885
Likes: 57
From: PA
2019 E63s AMG
Thanks funk, I was planning to disconnect the battery and also try my car's battery on his. Is it pretty obvious when a fuse is blown? I didn't see anything weird.
Super Member
Joined: Nov 2008
Posts: 604
Likes: 29
From: SA
2008 C350-Sport-AMG-Active Agility Pack(Not reliable) +Izuzu KB6 3L(It seems Reliable)+Mazda
If the lights were left on, and it drained completely, have the battery tested with one of those electronic testers, quick and tell you if battery was damaged due to the total discharge. I will rule this out 1st, you do not want to continiue with a hurted battery.
Super Member
Joined: Oct 2014
Posts: 701
Likes: 103
From: Ontario, Canada
2009 C63 AMG, 2010 C250 4Matic Sport
Sometimes it's a little hard to tell without shining a flashlight on them, but there'll be a break somewhere in the metal filament in them. You'll have to pull each of them out to inspect them, likely. The one on the left is intact in the picture
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Thread Starter
Super Member
Joined: Mar 2015
Posts: 885
Likes: 57
From: PA
2019 E63s AMG
Checked every fuse with a multimeter and they were fine. Disconnected the battery completed for about 20mins and after putting it back on the failed systems came back online. The only problems were 2-3 burned bulbs, he lucked out.
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