Page 659 of 757

Display messages
Possible causes/consequences and 0050
0050Solutions #
Where necessar y,also secure the par kedve hicle against rolling away.
To release: #
Ifth e conditions for auto matic release are fulfilled and the electric parking brake is not released automaticall y,
re lease the electric parking brake manually (/ page210).
If it is still not possible torelease the electric parking brake: #
Do not continue driving. Consult a qualified specialist workshop.
0024 Release parking brake *
The red0024 indicator lamp is flashing.
The electric parking brake is applied while you are driving:
R A condition for auto matic release of the electric parking brake has not been fulfilled (/ page 209).
R You are per form ing emer gency braking using the electric parking brake (/ page210). #
Che ckthe conditions for auto matic release of the electric parking brake. #
Release the electric parking brake manually.
0024
Turn on the ignition to
release the parking brake *
The red0024 indicator lamp is lit.
Yo u ha veattem ptedto release the electric parking brake with the ignition switched off. #
Switch on the ignition. 656
Display messages and warning/indicator lamps
Page 660 of 757

Display messages
Possible causes/consequences and 0050
0050Solutions
004D Check brake fluid level *T
here is insuf ficient brake fluid in the brake fluid reser voir. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the braking characteristics may be impaired. #
Stop theve hicle as soon as possible, paying attention toroad and traf fic conditions. Do not continue driv‐
ing. #
Consult a qualified specialist workshop. #
Do not top up the brake fluid. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Do not top up the brake fluid. #
Consult a qualified specialist workshop.
0026 Check brake pads See
Owner's Manual *T
he brakepads ha vereached thewe ar limit. &
WARNING Risk of accident due torestricted braking po wer
When the brake pads ha vereached their wear limit, the braking po wer may be restricted. #
Drive on carefully. #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 657
Page 661 of 757
Driving sy
stems Display messages
Possible causes/consequences and 0050
0050Solutions
é ATTENTION ASSIST inoper-
ative *A
TTENTION ASSIST is malfunctioning. #
Consult a qualified specialist workshop.
é ATTENTION ASSIST: Take a
break! *A
TTENTION ASSIST has de tected fatigue or an increasing la ckof concentration on the part of the driver
(/ page 280). #
If necessar y,take a break.
ä
Fault Drive at max. 80
km/h *A
IRMATIC is functioning only toa limited extent. The vehicle's handling characteristics may be af fected. #
Drive in a manner appropria teforth e cur rent le vel, but do not exceed 80 km/h. #
Consult a qualified specialist workshop. 658
Display messages and warning/indicator lamps
Page 662 of 757

Display messages
Possible causes/consequences and 0050
0050Solutions
ACTIVE BODY CONTROL
Function limited See Own-
er's Manual *A
t least one main function of the E- ACTIVE BODY CONTROL sy stem is malfunctioning.
The sy stem is outside the operating temp erature range or the on-board electrical sy stem voltage is too lo w.
* NO
TEThe vehicle's suspension and damping behaviour is restricted. The vehicle body may tilt heavily to
th e side during cornering. #
Drive on carefull y. #
Reduce speed considerably before taking a bend. #
Avoid sudden steering mo vements. #
Drive on careful ly. #
Reduce speed considerably before taking a bend. #
Avoid sudden steering mo vements.
Once the cause of the problem is no longer present, the sy stem will be available again.
00C5
Lowering *T
hevehicle le vel may be lo weredfo rth efo llowing reasons:
R You ha veselected a dif fere nt drive program.
R You ha veexceeded the speed limit.
R You ha vechanged theve hicle le velby pressing the button.
R Operation with a trailer or bicycle rack:if an elect rical connection has been cor rectly made, you ha veexcee‐
ded the speed limit. Display messages and
warning/indicator lamps 659
Page 663 of 757
Display messages
Possible causes/consequences and 0050
0050Solutions
00C4 Vehicle rising *Y
our vehicle is adjusting tothe le velyo u ha veselected.
ä Fault Drive at max. 80
km/h *A
t least one main function of the E- ACTIVE BODY CONTROL sy stem is malfunctioning.
The sy stem is deactivated.
* NO
TEThe vehicle's suspension and damping behaviour has changed significantl y,theve hicle body may tilt
heavily tothe side during cornering. #
Reduce vehicle speed. Drive on carefull y. #
Reduce theve hicle speed considerably before taking a cur ve. #
Avoid sudden steering mo vements. #
Continue driving careful lyand do not exceed 80 km/h. #
If possible, stop theve hicle in accordance with the traf fic conditions and switch the ignition off and on again. #
Ifth e display message still appears, consult a qualified specialist workshop. 660
Display messages and warning/indicator lamps
Page 664 of 757

Display messages
Possible causes/consequences and 0050
0050Solutions
ä Fault Stop *T
here is a serious malfunction af fecting thehy draulics of the E- ACTIVE BODY CONT ROL sy stem.
The sy stem is deactivated.
* NO
TEThe vehicle's driving characteristics ha vechanged significantl y. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Consult a qualified specialist workshop.
00C4 Please reduce speed *Y
ou are driving toofast forth e selected vehicle le vel. #
Drive more slowly and then select the desired vehicle le vel again.
Yo u are driving tooqu ickly with a trailer or the trailer hitch soc ket is being used, e.g. for a rear cycle rack. #
Read the information on trailer operation.
00C4 Vehicle rising Please wait *T
hevehicle le vel is too lo w.The vehicle will be raised tothe selected vehicle le vel. #
Wait until the display message disappears before pulling away. Displ
aymessa ges and warning/indicator lamps 661
Page 665 of 757

Display messages
Possible causes/consequences and 0050
0050Solutions
00C4 Compressor is cooling *D
uetofrequent le velch anges within a short space of time, the compressor firs t needs tocool down in order toset
th e selected vehicle le vel. #
Drive on in a manner appropriate forth e cur rent le vel. Make sure that there is suf ficient ground clearance.
When the compressor has cooled down, theve hicle will continue rising tothe selected vehicle le vel.
Active Steering Assist cur-
rently unavailable See Own-
er's Manual *A
ctive Steering Assist is temp orarily una vailable.
The ambient conditions are outside the sy stem limits (/ page 238). #
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again. #
If necessar y,clean the windscreen in the camera's field of vision. #
Check the tyre pressure if necessar y.
Active Steering Assist inop-
erative *A
ctive Steering Assist is malfunctioning. Active Dis tance Assi stDISTRONIC remains available. #
Consult a qualified specialist workshop.
Ø *A
ctive Steering Assist has reached the sy stem limits(/ page 238).
Yo u ha venot steered independently for a considerable period of time. #
Take ove rth esteering and drive on in accordance with the traf fic conditions.
Beginning emergency stop *Y
our hands are not on thesteering wheel. An emer gency stop is initiated (/ page242). #
Put your hands back on thesteering wheel. 662
Display messages and warning/indicator lamps
Page 666 of 757

Display messages
Possible causes/consequences and 0050
0050Solutions
Yo u can cancel the deceleration at any time byper form ing one of thefo llowing actions:
R steering
R braking or accelerating
R pressing a steering-wheel button
R operating Touch Control
R deactivating Active Dis tance Assi stDISTRONIC
Active Steering Assist cur-
rently unavailable due to
multiple emergency stops *A
ctive Steering Assist is temp orarily una vailable due tomultiple emergency stops. #
Take ove rth esteering and stop in accordance with the tra ffic conditions. #
Swit chthe ignition off and switch it back on.
Ac tive Steering Assist is available once more.
Active Lane Keeping Assist
currently unavailable See
Owner's Manual *A
ctive Lane Keeping Assist is temp orarily una vailable.
The ambient conditions are outside the sy stem limits (/ page 289). #
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again.
Active Lane Keeping Assist
inoperative *A
ctive Lane Keeping Assist is malfunctioning. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 663