Mercedes-Benz Body & Equipment Guideline for Metris - BM 447, Version November 27, 2015.
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Please observe the revision notes compared to 09/18/2015 ! Only print out complete sections of the current version!
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7.4 Interior
7 Modifications to the basic vehicle
The standard drain holes must be preserved intact. If
necessary, additional drain holes must be created after
consultation with the relevant department 1.5 “Techni-
cal support” (
The inside must be covered with a sound-transmitting
material (perforated card, plastic, fabric cover).
a
WARNING
On no account should subsequent modifications be
made to the headliner or roof panel if the vehicle
is equipped with window airbags. Otherwise, the
window airbag may no longer work correctly (e.g.
window airbag deployment is delayed or incomplete).
Seals
Openings, gaps and slots between the engine compart-
ment or the vehicle underside or the bulkhead and the
vehicle interior must be carefully sealed with flexible
material. Vent openings must not be fitted in the imme-
diate vicinity of sources of noise.
In addition, manufacturers or suppliers of soundproof-
ing materials should be consulted. They will be able to
provide you with suggestions on how to design opti-
mum noise insulation for your modified vehicle body.
7.4.5
Ventilation
The passenger compartment and the driver's seat must
have adequate ventilation with provision for air to enter
and exit.
The windshield and side window demisting function
must remain operational, especially if the driver's area
forms part of the passenger compartment or if the
layout and design of the interior does not correspond to
that of the standard equipment.
New vehicles can be delivered with various heater/
ventilation options and air conditioning systems as
special equipment. Additional information on special
equipment can be obtained from your Mercedes-Benz
Service Center, from the relevant department under
1.6 “Contact” (
