Dual-Layer Protective Coating; Paintwork Damage And Corrosion Damage; Engine Compartment; Cab - Mercedes-Benz Unimog U 20 Manual

®
Telligent automatic gearshift (Automa-
:
®
ticShift ) fuse
Fuse for equipment power socket
;
Fuse for intake air pre-heating
=
X
Interrupt the power supply using the bat-
tery isolator switch; see the vehicle's Oper-
ating Instructions.
X
Remove the battery cover; see the vehicle's
Operating Instructions.
X
Spray the connections in the battery com-
partment with contact spray and lubricate
them with acid-proof grease.
X
Replace the battery cover; see the vehicle's
Operating Instructions.
X
Restore the power supply using the battery
isolator switch; see the vehicle's Operating
Instructions.

Dual-layer protective coating

X
Check the protective agents every week.
X
Have paint and corrosion damage repaired
immediately.
To remove defects or re-apply dual-layer pro-
tection, please consult a qualified specialist
workshop. It has the necessary specialist
knowledge, tools and qualifications to cor-
rectly carry out the work required on your
vehicle. Mercedes-Benz recommends that
you use a Mercedes-Benz Service Centre for
this purpose.

Trailer tow hitch

Paintwork damage and corrosion
damage
To repair paint and corrosion damage, please
consult a qualified specialist workshop. It has
the necessary specialist knowledge, tools
and qualifications to correctly carry out the
work required on your vehicle. Mercedes-
Benz recommends that you use a Mercedes-
Benz Service Centre for this purpose.

Engine compartment

X
After cleaning the engine compartment:
spray the engine attachments and the
engine compartment with engine sealant.

Cab

Unimog 20:
X
Check the body cavity sealing once a year
and touch up where necessary.
Unimog 300/400/500:
X
After cleaning the body cavities of the cab
frame, apply body cavity sealing.
X
Check the body cavity sealing once a year
and touch up where necessary.
X
Renew the body cavity sealing every 3
years.
Trailer tow hitch
17