I am lost at this point with my S63
Thread Starter
Newbie
Joined: Aug 2025
Posts: 2
Likes: 0
From: Maryland, USA
2014 S63
I am lost at this point with my S63
[size=16px]I’m really stuck at this point with my 2014 S63. It began misfiring badly, shaking, and the check engine light came on. When I scanned it, I got multiple error codes. After some work, I managed to narrow it down to just one.[/size]
[size=16px]So far, I’ve:[/size]
[size=16px]• Replaced all spark plugs[/size]
[size=16px]• Installed new ignition coils[/size]
[size=16px]• Changed camshaft sensors[/size]
[size=16px]• Replaced camshaft solenoids[/size]
[size=16px]After doing this, the shaking and misfiring stopped, but I’m still getting one persistent code: [/size][size=16px]P208800 – Actuator intake camshaft (cylinder bank 1) short circuit to ground[/size][size=16px].[/size]
[size=16px]I even had my ECU tested, and it came back fine. At this point, I’m completely lost and could really use some help or guidance.[/size]
[size=16px]So far, I’ve:[/size]
[size=16px]• Replaced all spark plugs[/size]
[size=16px]• Installed new ignition coils[/size]
[size=16px]• Changed camshaft sensors[/size]
[size=16px]• Replaced camshaft solenoids[/size]
[size=16px]After doing this, the shaking and misfiring stopped, but I’m still getting one persistent code: [/size][size=16px]P208800 – Actuator intake camshaft (cylinder bank 1) short circuit to ground[/size][size=16px].[/size]
[size=16px]I even had my ECU tested, and it came back fine. At this point, I’m completely lost and could really use some help or guidance.[/size]
MBWorld Fanatic!
Joined: Feb 2017
Posts: 2,309
Likes: 1,213
From: Baltimore County, MD
'13 s212 63 p30. '06 LX470
Was there any oil in the harness when you replaced the sensors/solenoids? Did you double check that all the plugs on those sensors are secure and fully seated? Do you have the ability to test/activate that solenoid that is still giving trouble?
Thread Starter
Newbie
Joined: Aug 2025
Posts: 2
Likes: 0
From: Maryland, USA
2014 S63
Yes I have the abilty to test and activate/deactivate the solenoids. I have not done that yet. I was reading up on this and some folks said to relearn the solenoids. I will try that today.
MBWorld Fanatic!
Joined: Feb 2017
Posts: 2,309
Likes: 1,213
From: Baltimore County, MD
'13 s212 63 p30. '06 LX470
Yes I checked the harness and noticed a little oil, i sprayed it with electrial spray and the contact plug as well. I made sure the cables where plugged in firmly on all of the sensors.
Yes I have the abilty to test and activate/deactivate the solenoids. I have not done that yet. I was reading up on this and some folks said to relearn the solenoids. I will try that today.
Yes I have the abilty to test and activate/deactivate the solenoids. I have not done that yet. I was reading up on this and some folks said to relearn the solenoids. I will try that today.
since you saw a little bit of oil on the sensor plug, you might also want to disconnect the harness connection at the ECU and clean out the connections there, and take a look at the ecu pins to see if any oil has made its way to the ECU
