MAINTENANCE AND SERVICE
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* Option/accessory. 363
Battery - Start/Stop
Cars with Start/Stop function, in addition to the
starter battery, are equipped with a support bat-
tery.
Cars with the Start/Stop function are equipped
with two 12 V batteries - one extra powerful
starter battery for starting and one support bat-
tery that helps during the Start/Stop function's
starting sequence.
For more information on the Start/Stop function,
see Start/Stop* (p. 279).
For more information on the car's starter battery,
see Jump starting (p. 271).
The following table shows specifications for the
support battery.
Voltage (V) 12
Cold start capacityA - CCAB
(A)
120C
170D
Size , L×W×H (mm) 150×90×106C
150×90×130D
Capacity (Ah) 8C
10D
AAccording to EN standard.
BCold Cranking Amperes.
CManual gearbox in combination with Start/Stop function that
only auto-stops when the car is completely stationary.
DOthers.
IMPORTANT
When replacing the starter battery in cars
with the Start/Stop function, a battery of
EFB11 type or stronger must be installed.
When replacing the support battery, a battery
of AGM12 type must be fitted.
NOTE
•The higher the current take-off in the car,
the more the alternator must be working
and the batteries charging = Increased
fuel consumption.
•When the capacity of the starter battery
has fallen below the lowest permissible
level then the Start/Stop function is dis-
engaged.
Temporarily reduced Start/Stop function due to
high current take-off means:
•The engine starts automatically13 without the
driver depressing the clutch pedal (manual
gearbox).
•The engine starts automatically without the
driver lifting his/her foot off the foot brake
pedal (automatic gearbox).
11 Enhanced Flooded Battery.
12 Absorbed Glass Mat.
13 Automatic starting can only take place if the gear lever is in neutral position.
