Technical data -> On-board electronics for Your Mercedes C Class 4 Door 2023

Technical data  
670  
Two-way radios  
R
R
Notes on technical data  
The two-way radio is not connected to an  
exterior aerial.  
The exterior aerial is fitted incorrectly or is  
not a low-reflection aerial.  
Notes on fitting two-way radios  
The technical data was determined in accordance  
with EU Directives. The data stated only applies to  
vehicles with standard equipment. You can obtain  
further information from a Mercedes-Benz Service  
Centre.  
Only for certain countries: you can find vehicle-  
specific vehicle data in the COC documents (CER-  
TIFICATE OF CONFORMITY). These documents  
are supplied when the vehicle is delivered.  
&
WARNING Risk of accident due to  
improper work on two-way radios  
This could jeopardise the operating safety of  
the vehicle.  
If two-way radios are manipulated or retrofit-  
ted incorrectly, the electromagnetic radiation  
from the two-way radios can interfere with the  
vehicle electronics and jeopardise the operat-  
ing safety of the vehicle.  
#
Have the low-reflection exterior aerial fit-  
ted at a qualified specialist workshop.  
When operating two-way radios in the  
vehicle, always connect them to the low-  
reflection exterior aerial.  
#
#
You should have all work on electrical  
and electronic components carried out  
On-board electronics  
Notes on tampering with the engine electronics  
at a qualified specialist workshop.  
*
NOTE Invalidation of the operating permit  
due to failure to comply with the instruc-  
tions for installation and use  
&
WARNING Risk of accident due to  
improper operation of two-way radios  
*
NOTE Premature wear through improper  
maintenance  
The operating permit may be invalidated if the  
instructions for installation and use of two-way  
radios are not observed.  
If you use two-way radios in the vehicle  
improperly, their electromagnetic radiation  
can disrupt the vehicle's electronics. This is  
the case in the following situations, in particu-  
lar:  
Improper maintenance may cause vehicle  
components to wear more quickly and the  
vehicle's operating permit may be invalidated.  
#
Only use approved frequency bands.  
Observe the maximum permissible out-  
put power in these frequency bands.  
#
Always have work on the engine elec-  
#
#
tronics and related components carried  
out at a qualified specialist workshop.  
Only use approved aerial positions.  
F206 0105 02