Problems with the charging process
Problem Possible causes/consequences and
0001 Solutions
The charge socke
tflap
does not open. The charge socket flap is not unlocked.
X
Unlock the vehicle (Y page 51). The batteries of the key are discharged.
X
Unlock the vehicle with the key manually (Y page 170). The charge socket flap is unlocked but the opening mechanism
is jammed.
X
Lock and unlock the vehicle again.
If the opening mechanism is still jammed:
X Contact an authorized electric drive smart center. The charging cable
cannot be inserted
into the vehicle power
socket. The vehicle power socket is locked.
X
Make sure that the gear selector lever is in position P.The charging cable
plug cannot be
removed from the
vehicle power socket. The charging cable plug is not unlocked.
X
Press the 0007button on the key.
The charging cable plug in the vehicle power socket is
released.
X Remove the charging cable plug from the vehicle power
socket. Intelligent charging management
If you wish to charge economically and with
minimal damage to the battery, you must set
a departure time (Y page 86). This option
to optimize the charging process depends
on your electricity contract and the local
power supplier. Your vehicle detects this
option automatically. Depending on the
departure time which is set, the charging
process of the high-voltage battery may not
be started immediately or may be
interrupted during the process. Front compartment
Service flap
Remove the service flap to check the
battery coolant level, windshield washer
reservoir level, and brake fluid level.
Insert the service flap on the front of the
vehicle so that it does not get damaged or
dirty.
i The service flap has a strap on the rear
side that ties it to the vehicle body. G
WARNING
Always turn the key to starter switch
position 0and remove the key from the Front compartment
117>> Operation.
Z
a cooling period of at least 30 minutes.
Otherwise, you could be seriously burned if
hot coolant escapes.
The coolant is a mixture of water and
anticorrosion/antifreeze. To check the
coolant level the vehicle must be parked on
level ground and the drive system must have
cooled down. For more information, see
„Coolants“ (Y page 213).
The battery coolant reservoir is located in
the front compartment on the driver’s side.
i The coolant expansion tank for the
battery‑ and drive system cooling is
located in the front compartment on the
left-hand side in the direction of travel. Checking coolant level
X
Allow the coolant to cool down for at least
30 minutes.
X Remove the service flap and insert it on
the front of the vehicle (Y page 117).
X Perform avisual check of the fluid level
in coolant reservoir 0003.
The coolant level must be between the
markings MAX and MIN.
X If necessary, add coolant. Adding coolant X
Cover pressure cap 0002with a rag.
X Slowly turn pressure cap 0002
approximately 0001turn counterclockwise
to release any excess pressure.
X Continue turning pressure cap 0002
counterclockwise and remove it.
X Add coolant as required. The coolant
level may not exceed the maximum filling
level.
X Reinstall and tighten pressure cap 0002.
X Remount the service flap and close it
(Y page 117). Windshield/rear window washer system
Both the windshield and the rear window 6
washer are supplied from the windshield
washer reservoir.
The recommended minimum filling level is
1.06 US qt (1.0 l).
X Remove the service flap and insert it on
the front of the vehicle (Y page 117).
The windshiel dwasher reservoir is located
in the front compartment on the driver’s
side. G
WARNING
Windshield washer concentrate is highly
flammable. Fire, naked flames and smoking
are prohibited when windshield washer
concentrate is being handled.
6 Coupé only. 120
Front compartment>> Operation.
