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84
Instruments and controls
Fuel gauge Displays the fuel level or gas pressure
in the tank depending on the
operation mode.
Control indicator
Y illuminates if the
level in the tank is low. Refuel
immediately if it flashes. During
natural gas operation, the switch
automatically switches over to petrol
operation 3 84. When operating with natural gas, the
message LoFuEL is displayed if the
level in the petrol tank is low.
Acknowledge the message by
pressing the reset button
3 83.
Never run the tank dry.
Because of the fuel remaining in the
tank, the top-up quantity may be less
than the specified tank capacity. Fuel selector
Pressing button
Y switches between
petrol and natural gas operation.
Switching
is not possible at high loads
(e.g. strong acceleration, running at
full throttle). The LED status shows
the current operating mode.
Natural gas
operation = LED off.
Petrol operation = LED illuminates.
As soon as the natural gas tanks are
empty, petrol operation is
automatically engaged until the
ignition is switched off.
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148
Driving and operating
The fuel filler cap can be retained in
the bracket on the fuel filler flap. Caution
Wipe off any overflowing fuel
immediately.
Natural gas refuelling
When filling with natural gas, remove
the
protective cap from the filler neck. 9
Warning Refuel only with a maximum
output pressure of 250 bar. Use
only temperature compensated
filling stations.
The refuelling procedure must be
completed,
i.e. the filler neck must be
vented. Refit the protective cap.
The capacity of the natural gas tank
depends on outside temperature,
filling pressure and type of refuelling
system.
Terms for "natural gas vehicles"
abroad:
German Erdgasfahrzeuge
English NGVs = Natural Gas Vehicles
French Véhicules au gaz naturel – or – Véhicules GNV
Italian Metano auto
Terms for "natural gas" abroad: German Erdgas
English CNG = Compressed
Natural Gas
French GNV = Gaz Naturel (pour) Véhicules - or -
CGN = carburantgaz
naturel
Italian Metano (per auto)
Fuel filler cap
Only
a genuine fuel filler cap provides
full functionality. Diesel-engined
vehicles have special fuel filler caps.
Fuel consumption - CO 2-
Emissions
The determination of fuel
consumption is regulated by
European directive 80/1268/EEC
(latest edition 2004/3/EC).
The directive is oriented to actual
driving practices: Urban driving is
rated at approx. 1
/3 and extra urban
Page 219 of 228
Technical data
219
Capacities
Engine oil
Engine Z16XEPZ16YNG Z20LER Z20LEH A17DTJZ 19 DTL,
Z16XE1 Z22YHA17DTR Z19DT
Z16XER Z19DTHZ18XER
including Filter [l] 4.5 3.5 4.25 5.0 5.4 4.3
between MIN and MAX [l] 1.0 1.0 1.0 1.0 1.0 1.0
Fuel tank
Petrol/diesel, nominal capacity [l]
58
Natural gas, nominal capacity [kg] or [l]
21 or 124
Petrol, nominal capacity [l] 14