Vehicle
Display messages Possible causes/consequences and
0050
0050Solutions 0084 The trunk lid is open.
X
Close the trunk lid. 005A The hood is open.
G WARNING
The open hood may block your view when the vehicle is in motion.
There is a risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Close the hood. 00B6(Coupe only)
0051(Roadster
only) At least one door is open.
X
Close the doors. 0059
Convertible Top Convertible Top
Operation Operation
Possible
Possible
to 31 mph
to 31 mph If you drive at speeds of more than 31 mph (50 km/h), you cannot
open or close the soft top.
X
Fully open or close the soft top (Y page 79).0059
Convertible Top Convertible Top
Opening/Closing Opening/Closing
Not Finished Not Finished The soft top is not fully opened or closed. The hydraulics are
depressurized.
X Fully open or close the soft top (Y page 79).0059
Open/Close Open/Close
Convertible Top Convertible Top
Completely Completely The roof is not locked. If you drive at speeds of more than
31 mph (50 km/h), you cannot open or close the soft top.
X
If you are driving at speeds of more than 31 mph (50 km/h),
reduce your speed.
X Push or pull the soft-top switch (Y page 79) until the soft top is
fully open or closed. 0059
Convertible Convertible
Top
Topin
in
Operation Please Operation Please
Wait Wait The on-board voltage is too low.
X Start the engine. 184
Display messagesOn-board computer and displays
Display messages Possible causes/consequences and
0050
0050Solutions The soft top has been opened and closed several times in a row.
The soft-top drive has been switched off automatically for safety
reasons.
You can open and close the soft top again after approximately ten
minutes.
X
Switch off the ignition and turn it back on.
X Repeat the opening or closing procedure (Y page 79).0059
Depress Brake to Depress Brake to
Start Engine Start Engine You have attempted to close the soft top with the soft top switch
while the vehicle was stationary.
X
Depress the brake pedal.
X Press the soft-top switch until the soft top is completely closed. 00B2
Check Washer Fluid Check Washer Fluid The washer fluid level in the washer fluid reservoir has dropped
below the minimum.
X
Add washer fluid ( Ypage 221). SmartKey
Display messages Possible causes/consequences and
0050 0050Solutions 0039
Change Key Battery Change Key Battery The SmartKey batteries are discharged.
X
Change the batteries ( Ypage 65). 0039
Key Not Detected Key Not Detected
(red display message) The SmartKey is not in the vehicle. A warning tone also sounds.
When you switch off the engine, you will be unable to restart it.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Locate the SmartKey. The key is not detected while driving because a powerful radio
transmitter is causing interference. A warning tone also sounds.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Insert the key into the ignition lock and turn it to the desired
position (Y page 119). Display
messages
185On-board computer and displays Z
Display messages Possible causes/consequences and
0050
0050Solutions 0039
Key Not Detected Key Not Detected
(white display
message) You are in the vehicle and the key currently cannot be detected
by the vehicle.
X
Change the location of the SmartKey in the vehicle.
If the SmartKey still cannot be detected:
X Insert the key into the ignition lock and turn it to the desired
position (Y page 119). 0039
Obtain a New Key Obtain a New Key The SmartKey needs to be replaced.
X
Visit a qualified specialist workshop. 0039
Key Does Not Key Does Not
Belong to Vehicle Belong to Vehicle You have put the wrong SmartKey in the ignition lock.
X
Use the correct SmartKey. 0039
Close Doors to Close Doors to
Lock Vehicle Lock Vehicle At least one door is open. A warning tone also sounds.
X
Close all doors and lock the vehicle again. 0039
Remove 'Start' Remove 'Start'
Button and Insert Button and Insert
Key Key The KEYLESS-GO start function is temporarily malfunctioning or
is defective. A warning tone also sounds.
X
Insert the key into the ignition lock and turn it to the desired
position (Y page 119). 0039
Take Take
Your
YourKey
Keyfrom
from
Ignition
Ignition The SmartKey is in the ignition lock.
X
Remove the SmartKey. Transmission
Display messages Possible causes/consequences and
0050 0050Solutions Apply Brake
Apply Brake
to Shift from 'P' to Shift from 'P' You have attempted to move the transmission selector lever to
position
D,Ror Nwithout depressing the brake pedal.
X Depress the brake pedal. Apply Brake Apply Brake
and Start Engine and Start Engine
to Disengage 'P' to Disengage 'P' When the engine is switched off, it is not possible to shift out of
park position
P.
X Depress the brake pedal and start the engine. Start Engine Start Engine
to Engage Gear to Engage Gear The gear cannot be engaged when the engine is switched off.
X
Depress the brake pedal and start the engine. 186
Display
messagesOn-board computer and displays
Display messages Possible causes/consequences and
0050
0050Solutions Depress Brake
Depress Brake
to Start Engine to Start Engine You cannot start the engine. The engine was switched off in
position
Dor R.
X Depress the brake pedal and start the engine. Door Open Door Open
Not in 'P' Not in 'P' The driver's door is open and the transmission is in position
R,N
or D.
A warning tone also sounds.
X Shift the transmission to Pwith the button in the center console.
X Press the electric parking brake handle. Service Required Service Required
Do Do
Not
Not Shift
Shift Gears
Gears
Visit Dealer
Visit Dealer You cannot change gear due to a malfunction.
A warning tone also sounds.
If transmission position
Dis selected:
X Do not switch off the engine.
X Drive to a qualified specialist workshop without shifting the
transmission from position D.
If transmission position R,Nor Pis selected:
X Make sure that the electric parking brake is applied.
X Prevent the vehicle from rolling away before you leave it
(Y page 269).
X Notify a qualified specialist workshop or breakdown service.
If no transmission position and no drive program is displayed:
X Make sure that the electric parking brake is applied.
X Prevent the vehicle from rolling away before you leave it
(Y page 269).
X Notify a qualified specialist workshop or breakdown service. Only Shift to 'P' Only Shift to 'P'
when Vehicle is when Vehicle is
Stationary Stationary The vehicle is moving.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Shift the transmission to Pwith the button in the center console. Reversing Reversing
Not
NotPoss.
Poss.
Service Required
Service Required The sub geartrain with the even gears has failed. You can no longer
engage reverse gear. The smoothness of the gear change is
restricted. The transmission is in emergency mode.
X
Visit a qualified specialist workshop. Display
messages
187On-board computer and displays Z
Warning and indicator lamps in the instrument cluster
Braking
Problem Possible causes/consequences and
0050
0050Solutions 0027
(USA
only)
004D
(Canada
only)
The red brake
system
warning lamp
comes on
while the
engine is
running. A
warning tone
also sounds. There is not enough brake fluid in the brake fluid reservoir.
G WARNING
The braking effect may be impaired.
There is a risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Secure the vehicle against rolling away (Y page 131).
X Do not add brake fluid. Adding more will not remedy the
malfunction.
X Consult a qualified specialist workshop.
X Observe the additional display messages in the multifunction
display. 0049
(USA
only)
0024
(Canada
only)
The indicator
lamp for the
electric
parking brake
flashes and/
or the yellow
warning lamp
for the
electric
parking brake
lights up. The electric parking brake is temporarily malfunctioning or
defective.
G WARNING
In this condition, the vehicle is only of limited roadworthiness. This
can lead to an accident.
X Observe the additional display messages in the multifunction
display. 190
Warning and indicator lamps in the instrument clusterOn-board computer and displays
Seat belts
Problem Possible causes/consequences and
0050
0050Solutions 0076
After starting
the engine, the
red seat belt
warning lamp
lights up for
6 seconds. The seat belt warning lamp reminds the driver and front passenger
to fasten their seat belts.
X
Fasten your seat belt (Y page 49).0076
After starting
the engine, the
red seat belt
warning lamp
lights up. In
addition, a
warning tone
sounds for up to
6 seconds. The driver's seat belt is not fastened.
X
Fasten your seat belt (Y page 49).
The warning tone ceases. 0076
The red seat belt
warning lamp
lights up after
the engine
starts, as soon
as the driver's
door or the
front-passenger
door is closed. The driver or front passenger has not fastened their seat belt.
X
Fasten your seat belt (Y page 49).
The warning lamp goes out. There are objects on the front-passenger seat.
X
Remove the objects from the front-passenger seat and stow
them in a secure place.
The warning lamp goes out. 0076
The red seat belt
warning lamp
flashes and an
intermittent
audible warning
sounds. The driver or front passenger has not fastened their seat belt. The
vehicle is being driven faster than 15 mph (25 km/h) or has briefly
been driven faster than 15 mph (25 km/h).
X
Fasten your seat belt (Y page 49).
The warning lamp goes out and the intermittent audible warning
ceases. There are objects on the front-passenger seat. The vehicle is being
driven faster than 15 mph (25 km/h) or has briefly been driven
faster than 15 mph (25 km/h).
X
Remove the objects from the front-passenger seat and stow
them in a secure place.
The warning lamp goes out and the intermittent audible warning
ceases. Warning and indicator lamps in the instrument cluster
191On-board computer and displays Z
Safety systems
Problem Possible causes/consequences and
0050
0050Solutions 0025
The yellow ABS
warning lamp is
lit while the
engine is
running. ABS has been deactivated due to a malfunction. ESP
®
, BAS and
hill start assist are therefore also deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop.
If the ABS control unit is faulty, there is also a possibility that other
systems, such as the navigation system or the transmission, will
not be available. 0089
00BB
0025
The yellow ESP
®
and ESP ®
OFF
warning lamps
and the yellow
ABS warning
lamp are lit while
the engine is
running. ABS and ESP
®
are malfunctioning. Other systems, e.g. BAS and
hill start assist, are unavailable due to a malfunction.
G WARNING
The brake system continues to function normally, but without the
functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Observe the additional display messages in the multifunction
display (Y page 170).
X Drive on carefully.
X Visit a qualified specialist workshop. 192
Warning and indicator lamps in the instrument clusterOn-board computer and displays
Problem Possible causes/consequences and
0050
0050Solutions 0089
The yellow ESP ®
warning lamp
flashes while the
vehicle is in
motion. ESP
®
or traction control has intervened because there is a risk of
skidding or at least one wheel has started to spin.
Cruise control is switched off.
X When pulling away, only depress the accelerator pedal as far as
necessary.
X Ease off the accelerator pedal while the vehicle is in motion.
X Adapt your driving style to suit the road and weather conditions.
X Do not deactivate ESP ®
.
For exceptions, see: (Y page 56).0074
The yellow
SPORT handling
mode warning
lamp is lit while
the engine is
running. SPORT handling mode is activated.
G WARNING
ESP ®
only stabilizes the vehicle in extreme situations. ESP ®
intervention may not be able to provide enough assistance in such
situations, and the vehicle may start to skid.
There is an increased risk of skidding and an accident.
X Only switch to SPORT handling mode in accordance with the
conditions written in the "Activating/deactivating SPORT
handling mode" section (Y page 56). Warning and indicator lamps in the instrument cluster
193On-board computer and displays Z