Mercedes Benz C-Class S204, W204, C204 / GLK-Class X204
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.
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
Ident. No.: 1315959G_EN
1
2
3
3
1
5
2
Status: 31.01.2013
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
3
Do not route wiring harness of
metering pump until later togeth-
er with fuel line on underbody
1
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).
1
2
4
Wiring har-
ness rout-
ing
diagram
1
6
© Webasto Thermo & Comfort SE
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