General notes -> Diagnostics connection for Your Mercedes GLC Class SUV First Generation (2015-2021)

26 General notes  
61381 Friedrichsdorf  
Germany  
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If the charge level is low, charge the  
battery, e.g. by driving a considerable  
distance.  
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WARNING Risk of accident due to  
objects in the driver's footwell  
Objects in the driver's footwell may impede  
pedal travel or block a depressed pedal.  
This jeopardizes the operating and road  
safety of the vehicle.  
Diagnostics connection  
Connecting equipment to the diagnostics con‐  
nection can lead to emissions monitoring infor‐  
mation being reset, for example. This may lead  
to the vehicle failing to meet the requirements of  
the next emissions inspection during the main  
inspection.  
The diagnostics connection is only intended for  
the connection of diagnostic devices at a quali‐  
fied specialist workshop.  
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Stow all objects in the vehicle securely  
so that they cannot get into the driver's  
footwell.  
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WARNING Risk of accident due to con‐  
necting devices to the diagnostics con‐  
nection  
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Always install the floor mats securely  
and as prescribed in order to ensure  
that there is always sufficient room for  
the pedals.  
Qualified specialist workshop  
If you connect equipment to a diagnostics  
connection in the vehicle, it may affect the  
operation of vehicle systems.  
As a result, the operating safety of the vehi‐  
cle could be affected.  
Plug-in hybrid: observe the notes in the Supple‐  
ment. Otherwise, you may fail to recognize dan‐  
gers.  
An authorized Mercedes-Benz Center is a quali‐  
fied specialist workshop. It has the necessary  
special skills, tools and qualifications to cor‐  
rectly carry out the work required on your vehi‐  
cle. This particularly applies to safety-relevant  
works.  
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Do not use loose floor mats and do not  
place floor mats on top of one another.  
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NOTE Battery discharging from using  
devices connected to the diagnostics  
connection  
Only connect equipment to a diagnos‐  
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tics connection in the vehicle which is  
approved for your vehicle by Mercedes-  
Benz.  
Using devices at the diagnostics connection  
drains the battery.  
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Check the charge level of the battery.