Why do you Face 13 Pin Connector Issues in your Mercedes Benz

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Why Do You Face 13-Pin Connector Issues in Your
Mercedes Benz?
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Mercedes Benz is a name that carries the weight
of elite status in the US for its elegance and
luxury.
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A Mercedes Benz may suffer from problems due to
the 13-pin electrical connector on the automatic
transmission due to leakage of transmission
fluid.
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Over time, leaking fluid migrates through the
wiring harness and damages the transmission
control module, causing the car to lose
communication with the valve body.
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Often people and even mechanics misdiagnose
transmission problems, thinking they need a new
valve body or even transmission.
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In reality, the transmission connector plug leaks
oil at the rubber O rings. So, replace this plug
and add transmission oil to eliminate the common
problem.
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If you do not catch it before too much fluid has
leaked onto the control module, you will have to
replace the entire control module and harness.
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Causes of 13 Pin Connector Problems
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There are at least two issues that can cause
leaks in the pin connector in Mercedes Benz cars.
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The first is that one of the 13 pins can break
off which prevents the connector from holding in
place correctly and invites the possibility of
transmission fluid leaks.
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The second cause of pin connector leaks is the
degradation of the O ring which means that if it
is not clean and snug in place, or if it has worn
thin, it needs a replacement.
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Symptoms of 13 Pin Connector Problems
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The symptoms that let you know something is
going wrong are
Your transmission may go into limp mode.
Shifting can become stuck, or it can become
erratic.
Eventually, the problem grows from hard shifting
to no shifting at all.
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If you start to notice problems shifting
smoothly, especially in engines built 1998-2008,
get your 13-pin connector checked out immediately.
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Can you diagnose this problem yourself?
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In order to catch the problem early enough, when
you first notice transmission trouble, try this
Pull over and turn your car off. Remove the key.
Do not press any pedals or other buttons on the
car.
Wait at least 20 seconds.
Restart the car and drive it again to see if it
is out of limp mode.
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You can also take a look at the 13-pin connector
and see what it looks like --
Are all the pins still there?
Does the O ring appear to be in good shape?
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If you spot any issues or dont understand what
youre looking at, its time to get it to the
shop for an expert to take a look.
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Take a note
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The key is proper maintenance and getting the
Mercedes checked out as soon as you notice the
early symptoms.
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If you live in Los Angeles County, CA or the San
Fernando Valley, particularly near Canoga Park or
Woodland Hills, come to speak with our expert
service technicians at Euro Plus Automotive.
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We have years of experience on European vehicles,
so we can diagnose the problem and get you back
out on the road as soon as possible.
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