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SPECIFICATIONS
534
NOTE
The capacity of the hybrid battery diminishes
with age and use, which may result in
increased use of the internal combustion
engine and, as a consequence, reduced fuel
economy and reduced range during electric
operation.
Fuel consumption and emission values in the
table above are based on specific EU cycles
2
,
that apply to cars with kerb weight in the basic
version and without extra equipment. The car's
weight may increase depending on equipment.
This, as well as how heavily the car is loaded,
increases fuel consumption and carbon dioxide
emissions.
There are several reasons for increased fuel con-
sumption compared with the table's values.
Examples of this are:
•
If the car is not charged regularly from the
mains power circuit.
•
The driver's driving style.
•
If the customer has specified wheels larger
than those fitted as standard on the model's
basic version, then rolling resistance increa-
ses.
•
High speed results in increased wind resis-
tance.
•
Fuel quality, road and traffic conditions,
weather and the condition of the car.
A combination of the above-mentioned examples
can result in significantly improved consumption.
For further information, please refer to the regu-
lations referred to
2
.
Large deviations in fuel consumption may arise in
a comparison with the EU driving cycles
2
which
are used in the certification of the car and on
which the consumption figures in the table are
based.
NOTE
Extreme weather conditions, driving with a
trailer or driving at high altitudes in combina-
tion with fuel quality are factors that could
affect the car's fuel consumption.
Related information
•
Type designations (p. 520)
•
Weights (p. 525)
•
Driving economically (p. 378)
2
Official fuel consumption figures and the range for electric operation are based on two standardised driving cycles in a laboratory environment ("EU driving cycles") all in accordance with EU Regulation no
692/2008 and 715/2007 (Euro 5 / Euro 6) and UN ECE Regulation no 101. Since the driving cycles are also used for quality control there are significant requirements for repeatability of the tests. For this
reason the tests are carried out under close scrutiny and only with the car's basic functions (e.g. air conditioning, radio, etc. switched off). As a consequence of this the results from the official figures are not
obviously representative of what the customer sees during actual usage. The regulations cover the driving cycles for "Urban driving" and "Extra-urban driving". For the "Urban driving" driving cycle - the measure-
ment starts with cold starting the engine. The driving is simulated. - For the "Extra-urban driving" driving cycle - the car is accelerated and braked at speeds between 0-120 km/h. The driving is simulated. - The
official value for combined driving, which is reported in the table, is a combination of the results from the "Urban driving" and "Extra-urban driving" driving cycles, in accordance with legal requirements. CO
2
emissions - the exhaust gases are collected in order to extrapolate the carbon dioxide emissions during the two driving cycles. These are then analysed and give the value for CO
2
emissions.
