
Mercedes Benz C-Class S204, W204, C204 / GLK-Class X204
Ident. No.: 1315959G_EN
Status: 31.01.2013
© Webasto Thermo & Comfort SE
8
Electrical System
Earth wire
Connect earth wire
1
to the original vehicle earth
support point
2
with 8 mm dia. cable lug. Route
wiring harness to heater in 10mm dia. corrugated
tube
3
.
Wiring harness pass through
Drill 6 mm dia. hole
2
at centre of protective rubber
plug
1,
if original vehicle wiring harness is not available.
3
Wiring harnesses of heater and heater control
Wiring har-
ness rout-
ing
diagram
Fuse holder of engine compartment
Replace F2 with 1 A fuse.
1
5mm dia. hole, M5x16 bolt, washers [2x], re-
taining plate of fuse holder, nut
2
F1+2 fuses mounted
Positive wire
Manufacturer installs different positive support
points. Connect power supply of heater
1
to pos-
itive terminal (battery or starter cable of positive
support point).
3
3
1
2
4
3
2
1
Do not route wiring harness of
metering pump until later togeth-
er with fuel line on underbody
5
2
1
6
1
1