2016 MERCEDES-BENZ B-Class ELECTRIC Owner's Manual

Display messagesPossible causes/consequences andMSolutions
b
Check Rear Left
Turn Signalor
Check Rear Right
Turn Signal
The rear left-hand or rear right-hand turn signal is defective.
XCheck whether you are permitted to replace the bulb yourself
(
Ypage 104).
or
XVisit a qualified specialist workshop.
b
Check Front Left
Turn Signalor
Check Front Right
Turn Signal
The front left-hand or front right-hand turn signal is defective.
XCheck whether you are permitted to replace the bulb yourself
(
Ypage 104).
or
XVisit a qualified specialist workshop.
b
Check Left Mirror
Turn Signalor
Check
RightMirror
Turn Signal
The turn signal in the left-hand or right-hand exterior mirror is
defective.
XVisit a qualified specialist workshop.
b
CheckCenterBrake
Lamp
The high-mounted brake lamp is faulty.
XVisit a qualified specialist workshop.
b
Check Left Brake
Lampor Check
Right Brake Lamp
The left or right-hand brake lamp is defective.
XVisit a qualified specialist workshop.
b
Check Left High
BeamorCheck
Right High Beam
The left or right-hand high beam is defective.
XCheck whether you are permitted to replace the bulb yourself
(
Ypage 104).
or
XVisit a qualified specialist workshop.
b
License Plate Lamp
The left or right-hand license plate lamp is faulty.
XCheck whether you are permitted to replace the bulb yourself
(
Ypage 104).
or
XVisit a qualified specialist workshop.
Display messages21 5
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
b
Rear fog lamp
The rear fog lamp is faulty.
XCheck whether you are permitted to replace the bulb yourself
(
Ypage 104).
or
XVisit a qualified specialist workshop.
b
Check Front Left
Parking Lampor
Check Front Right
Parking Lamp
The front left or front right parking or standing lamp is defective.
XCheck whether you are permitted to replace the bulb yourself
(
Ypage 104).
or
XVisit a qualified specialist workshop.
b
Backup Light
The backup lamp is defective.
XCheck whether you are permitted to replace the bulb yourself
(
Ypage 104).
or
XVisit a qualified specialist workshop.
b
Check Left Tail
Lampor Check
Right Tail Lamp
The left or right-hand tail lamp is defective.
XVisit a qualified specialist workshop.
b
Check Front Left
Sidemarker Lampor
Check Front Right
Sidemarker Lamp
The front left-hand or front right-hand side marker lamp is faulty.
XVisit a qualified specialist workshop.
b
Check Rear Left
Sidemarker Lampor
Check Rear Right
Sidemarker Lamp
The rear left-hand or rear right-hand side marker lamp is faulty.
XCheck whether you are permitted to replace the bulb yourself
(
Ypage 104).
or
XVisit a qualified specialist workshop.
b
CheckLeftDaytime
Running Lightor
Check Right Day‐
time Running Light
The left or right-hand daytime running lamp is faulty.
XVisit a qualified specialist workshop.
216Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
b
Active Headlamps
Inoperative
The active light function is faulty.
XVisit a qualified specialist workshop.
b
Malfunction See
Operator's Manual
The exterior lighting is defective.
XVisit a qualified specialist workshop.
b
AutoLampFunction
Inoperative
The light sensor is defective.
XVisit a qualified specialist workshop.
b
Switch Off Lights
The lights are still switched on when you leave the vehicle. A
warning tone also sounds.
XTurn the light switch to the Ãposition.
b
SwitchOnHeadlamps
You are driving with low-beam headlamps switched off.
XTurnthe light switch to the Lorà position.
Display messages217
On-board computer and displays
Z

Drive system
Display messagesPossible causes/consequences andMSolutions
+
Check Coolant See
Operator's Manual
The coolant level is too low.
!Avoid making long journeys withtoo little coolant in the cooling
system. The drive system will otherwise be damaged.
XIf th e coolant needs topping up more often than usual, have the
cooling system checked at a qualified specialist workshop.
#
SeeOperator'sMan‐
ual
The 12 V battery is no longer being charged.
XStop th e vehicle immediately, paying attention to road and traf-
fic conditions, and switch off the drive system.
XSecur eth e vehicle against rolling away (Ypage 153).
XDo no t drive on.
XDo notto w the vehicle.
XConsult a qualified specialist workshop.
#
Stop Vehicle See
Operator's Manual
The 12 V battery is no longer being charged and the battery charge
level is too low.
A warning tone also sounds.
XStop th e vehicle immediately, paying attention to road and traf-
fic conditions, and switch off the drive system.
XSecur eth e vehicle against rolling away (Ypage 153).
XDo no t drive on.
XDo notto w the vehicle.
XConsult a qualified specialist workshop.
218Display messages
On-board computer and displays

High-voltage battery
Display messagesPossible causes/consequences andMSolutions
Ý
Battery Reserve
Level
The condition of charge of the high-voltage battery has dropped
into the reserve range.
When the remaining range is 0 km, the message appears again.
The power available is then continuously reduced. The reduction in
power is represented in the E-CELL display (
Ypage 183).
XCharge the high-voltage battery.
Û
Batterieleistung
zu gering, Anhal‐
ten, sofort
laden(Battery capacity
too low. Stop Charge
immediately)
A warning tone also sounds. The E ‑CELL display (Ypage 183) and
the charge level display (
Ypage 184) go down to 0. The condition
of charge of the high-voltage battery is so low that operation is no
longer possible. The drive system cannot be restarted.
If you then try to restart the drive system, the Batterieleistung
zu gering, Anhalten, sofort laden(Battery capacity too
low. Stop Charge immediately) message appears.
XPark the vehicle and charge the high-voltage battery.
ì
Malfunction Visit
Workshop
Malfunctions are present in the drive system and/or in the cooling
system.
XVisit a qualified specialist workshop immediately.
Without starting
engine again, con‐
sult workshop
The vehicle's high-voltage electrical system is malfunctioning. A
warning tone also sounds.
XDo not switch off the drive system.
XVisit a qualified specialist workshop immediately.
ì
StopSwitchEngine
Off
There is a serious malfunction in the drive system. A warning tone
also sounds.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
XDo not tow the vehicle.
XConsult a qualified specialist workshop immediately.
Display messages219
On-board computer and displays
Z

Driving systems
Display messagesPossible causes/consequences andMSolutions
À
Attention Assist:
TakeaBreak!
Based on certain criteria, ATTENTION ASSIST has detected fatigue
or a lack of concentration on the part of the driver .Awarningtone
also sounds.
XIf necessary, take a break.
Durin g long journeys, take regular breaks in good time so you get
enough rest.
À
Attention Assist
Inoperative
ATTENTION ASSIST is inoperative.
XVisit a qualified specialist workshop.
ë
Off
The HOLD function is deactivated. The vehicle is skidding.
A warning tone also sounds.
XReactivate the HOLD function later (Ypage 163).
The HOLD function is deactivated. When the brake pedal is firmly
depressed, an activation condition is not fulfilled.
A warning tone also sounds.
XCheck the activation conditions forth eHOLD function
(
Ypage 163).
Blind Spot Assist
Currently Unavail‐
able See Opera‐
tor's Manual
Blin d Spot Assist is temporarily inoperative.
Possible causes are:
Rth e radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio sta-
tion s or other sources of electromagnetic radiation.
Rthe radar sensor system is outside the operating temperature
range.
The yellow 9indicator lamps also light up in the exterior mir-
rors .
When the causes stated above no longer apply, the display mes-
sage disappears.
Blin d Spot Assist is operational again.
If th e display message does not disappear:
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
XSecur eth e vehicle against rolling away (Ypage 153).
XStart th e drive system again.
220Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
Blind Spot Assist
Inoperative
Blind Spot Assist is defective.
The yellow9indicator lamps also light up in the exterior mir-
rors.
XVisit a qualified specialist workshop.
Park Assist Can‐
celed
The driver's door is open and the driver's seat belt has not been
fastened.
XRepeat the parking process with the seat belt fastened and the
driver's door closed.
You have inadvertently touched the multifunction steering wheel
while steering intervention was active.
XWhile steering intervention is active, make sure that the multi-
function steering wheel is not touched unintentionally.
The vehicle has started to skid and ESP®has intervened.
XUse Active Parking Assist again later (Ypage 168).
ParkAssistInoper‐
ative
You have just carried out a large number of turning or parking
maneuvers.
Active Parking Assist will become available again after approx-
imately ten minute s(
Ypage 168).
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
XSwitch offthe drive system and start it again.
If th e multifunction display still shows the display message:
XVisit a qualified specialist workshop.
PARKTRONIC is defective.
XVisit a qualified specialist workshop.
Park Assist Fin‐
ished
The vehicle is parked. A warning tone also sounds.
The display message disappears automatically.
Display messages221
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
Cruise Control
Inoperative
Cruise control is malfunctioning.
A warning tone also sounds.
XVisit a qualified specialist workshop.
Cruise Control
---mph
RA condition for activating cruise control has not been fulfilled.
You have tried to store a speed below20 mph (30 km/h), for
example.
RES P®is deactivated. The yellow ESP®OFF warning lamp is lit.
XIf conditions permit, drive fasterthan 20 mph (30 km/h)and
store the speed.
or
XCheck the activation conditions for cruise control (Ypage 162).
or
XReactivate ESP®(Ypage 193).
222Display messages
On-board computer and displays