Brake Vacuum Sensor issue
Thread Starter
Junior Member
Joined: Aug 2016
Posts: 31
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W212 FL E250
Brake Vacuum Sensor issue
Anyone has encountered this as well?
I have been having this particular fault code for awhile now...
Have been googling and checking up on it for some time but unfortunately to no avail...
Ride is a W204 C180 CGI 1.8 Coupe aka C204
Any help would be greatly appreciated!
Super Member
Joined: Oct 2014
Posts: 701
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From: Ontario, Canada
2009 C63 AMG, 2010 C250 4Matic Sport
Check the wiring to the blue highlighted part (the sensor) if everything seems okay, you'll probably need to replace that sensor. Should be a fairly easy job to do
Thread Starter
Junior Member
Joined: Aug 2016
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W212 FL E250
Would like to check if this is a common issue? As I have never come across or heard of such an issue..
If it malfunctions / faulty, what exactly would happen to the car? As I can't really feel what's wrong with it.
Super Member
Joined: Oct 2014
Posts: 701
Likes: 103
From: Ontario, Canada
2009 C63 AMG, 2010 C250 4Matic Sport
I haven't heard about this particular issue before at all, but sensors can go bad randomly all the time.
It seems that cars with equipment code B03 (Eco start/stop) are the ones equipped with a booster vacuum sensor. Have you noticed anything odd with the start/stop system?
It seems that cars with equipment code B03 (Eco start/stop) are the ones equipped with a booster vacuum sensor. Have you noticed anything odd with the start/stop system?
Thread Starter
Junior Member
Joined: Aug 2016
Posts: 31
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W212 FL E250
I haven't heard about this particular issue before at all, but sensors can go bad randomly all the time.
It seems that cars with equipment code B03 (Eco start/stop) are the ones equipped with a booster vacuum sensor. Have you noticed anything odd with the start/stop system?
It seems that cars with equipment code B03 (Eco start/stop) are the ones equipped with a booster vacuum sensor. Have you noticed anything odd with the start/stop system?
And based on the diagram you posted earlier, there isn't any wires or sensors etc, connected directly to the brake booster at all...
Only the brake master cylinder is connected to the booster and a pressure hose, that's all.
Basically, part #70 is totally non-existent on my car
Last edited by AlvinDj; Jul 3, 2017 at 10:42 AM.
Thread Starter
Junior Member
Joined: Aug 2016
Posts: 31
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W212 FL E250
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