2011 MERCEDES-BENZ E-Class COUPE computer

Display messagesPossible causes/consequences and M SolutionsFront Passenger
Airbag Enabled
See Operator's
ManualThe front-passenger air bag is enabled during the journey,
although:
R there is a child, a small adult or an object weighing less than the
system's weight threshold on the front-passenger seat.
R the front-passenger seat is unoccupied.
The system may detect the additional weight of objects on the
seat or forces acting on the seat.XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.XEngage the parking brake.XSwitch off the ignition.XOpen the front-passenger door.XRemove the child and the child restraint system from the front-
passenger seat.XIf necessary, secure the child in a child restraint system on a
suitable rear seat.XMake sure that there are no objects adding to the weight applied
to the seat. The system may otherwise detect the additional
weight and interpret the seat occupant's weight as greater than
it actually is.XMake sure that the seat is unoccupied and has no objects placed
on it, close the front-passenger door, and switch on the ignition.
Observe the 45(Y page 42) indicator lamps and the
multifunction display and check the following:
Seat unoccupied and ignition switched on:
R the 45 indicator lamp must light up and remain lit. When
the indicator lamp is on, OCS ( Y page 42) has deactivated the
front-passenger air bag.
R The Front Passenger Airbag Enabled See Operator's
Manual or Front Passenger Airbag Disabled See
Operator's Manual display messages must not appear. Wait
for at least 60 seconds until the necessary system checks have
been completed and to make sure that the display messages do
not appear in the multifunction display.
If these conditions are met, the front-passenger seat can be
occupied again. Whether the 45 indicator lamp remains lit
or goes out depends on how OCS classifies the occupant.
If the conditions are not met, the system is not operating correctly.
XVisit a qualified specialist workshop immediately.218Display messagesOn-board computer and displays
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GWarning
If the 45 indicator lamp remains off even after performing the above corrective steps, do
not have any children 12 years old and under and other small individuals use the front-passenger
seat until the system has been repaired.
Display messagesPossible causes/consequences and M SolutionsFront Passenger
Airbag Disabled
See Operator's
ManualThe front-passenger air bag is deactivated during the journey even
though an adult or a person larger than a certain size is occupying
the front-passenger seat. If additional forces are applied to the
seat, the system may interpret the occupant's weight as lower
than it actually is.XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.XEngage the parking brake.XSwitch off the ignition.XHave the occupant get out of the vehicle.XMake sure that the seat is unoccupied and has no objects placed
on it, close the front-passenger door, and switch on the ignition.
Observe the 45(Y page 42) indicator lamps and the
multifunction display and check the following:
Seat unoccupied and ignition switched on:
R the 45 indicator lamp must light up and remain lit. When
the indicator lamp is on, OCS ( Y page 42) has deactivated the
front-passenger air bag.
R The Front Passenger Airbag Enabled See Operator's
Manual or Front Passenger Airbag Disabled See
Operator's Manual display messages must not appear. Wait
for at least 60 seconds until the necessary system checks have
been completed and to make sure that the display messages do
not appear in the multifunction display.
If these conditions are met, the front-passenger seat can be
occupied again. Whether the 45 indicator lamp remains lit
or goes out depends on how OCS classifies the occupant.
If the conditions are not met, the system is not operating correctly.
XVisit a qualified specialist workshop immediately.GWarning
If the 45 indicator lamp remains lit with an adult occupant on the front-passenger seat
even after performing the above corrective steps, do not have any passenger use the front-
passenger seat until the system has been repaired.
Display messages219On-board computer and displaysBA 207 USA, CA Edition B 2011; 1; 3, en-USd2sboikeVersion: 3.0.3.62010-05-20T10:38:09+02:00 - Seite 219Z

BrakesDisplay messagesPossible causes/consequences and M Solutions$ (USA only)
J (Canada only)
ABS and ESC
Currently
Unavailable See
Operator's ManualGRisk of accident
ABS (Anti-lock Braking System), ESP ®
(Electronic Stability
Program), BAS (Brake Assist), PRE-SAFE ®
, HOLD and hill start
assist are temporarily unavailable. The on-board voltage may be
insufficient, for example. BAS PLUS (Brake Assist PLUS) and PRE-
SAFE ®
Brake may be inoperative as well. In addition, the ä,
å and ! warning lamps light up in the instrument cluster.
ATTENTION ASSIST is deactivated.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
XDrive on carefully.
If the display message disappears, the functions mentioned
above are available again.
If the display message continues to be displayed:
XDrive on carefully.XVisit a qualified specialist workshop.$ (USA only)
J (Canada only)
ABS and ESC
Inoperative See
Operator's ManualGRisk of accident
ABS, ESP ®
, BAS, PRE-SAFE ®
, HOLD and hill start assist are
unavailable due to a malfunction. BAS PLUS and PRE-SAFE ®
Brake
may also have failed. In addition, the ä, å and !
warning lamps light up in the instrument cluster.
ATTENTION ASSIST is deactivated.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
XDrive on carefully.XVisit a qualified specialist workshop.220Display messagesOn-board computer and displays
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Display messagesPossible causes/consequences and M Solutions$ (USA only)
J (Canada only)
EBD, ABS, and ESC
Inoperative See
Operator's ManualGRisk of accident
EBD (Electronic Brake force Distribution), ABS, ESP ®
, BAS, PRE-
SAFE ®
, HOLD and hill start assist are unavailable due to a
malfunction. BAS PLUS and PRE-SAFE ®
Brake may also have
failed. In addition, the ä, å and ! warning lamps in the
instrument cluster light up and a warning tone sounds.
ATTENTION ASSIST is deactivated.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
XDrive on carefully.XVisit a qualified specialist workshop immediately.#
Check Brake Pad
WearThe brake pads/linings have reached their wear limit.XVisit a qualified specialist workshop.$ (USA only)
J (Canada only)
Release Park. BrakeYou are driving with the parking brake engaged. A warning tone
also sounds.XRelease the parking brake.Display messages221On-board computer and displaysBA 207 USA, CA Edition B 2011; 1; 3, en-USd2sboikeVersion: 3.0.3.62010-05-20T10:38:09+02:00 - Seite 221Z

Display messagesPossible causes/consequences and M Solutions$ (USA only)
J (Canada only)
Brake ImmediatelyA malfunction has occurred while the HOLD function or
DISTRONIC PLUS is active.
A tone may also sound at regular intervals. The tone becomes
louder if you attempt to lock the vehicle.
You cannot start the engine.XPaying attention to the traffic situation, immediately depress the
brake pedal firmly and hold until the display message
disappears.XPrevent the vehicle from rolling away before you leave it
( Y page 289).
You can restart the engine.$ (USA only)
J (Canada only)
Check Brake Fluid
LevelGRisk of accident
There is insufficient brake fluid in the brake fluid reservoir.
Additionally, the red $ (USA only)/ J (Canada only)
warning lamp lights up in the instrument cluster and a warning
tone 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.XEngage the parking brake.XConsult a qualified specialist workshop.XDo not add brake fluid. This will not rectify the malfunction.GWarning
Driving with the message Check Brake Fluid Level displayed can result in an accident. Have
your brake system checked immediately.
Do not add brake fluid before checking the brake system. Overfilling the brake fluid reservoir can
result in spilling brake fluid on hot engine parts and the brake fluid catching fire. You can be
seriously burned.
Lights
i Display messages about LEDs:
This display message will only appear if all LEDs have failed.
222Display messagesOn-board computer and displays
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Display messagesPossible causes/consequences and M Solutionsb
Check Left
Cornering Light
or
Check Right
Cornering LightThe left or right-hand cornering light is faulty. XCheck whether you are permitted to change the bulb yourself
( Y page 126).
or
XVisit a qualified specialist workshop.b
Check Left Low Beam
or
Check Right Low
BeamThe left or right-hand low-beam headlamp is faulty. XCheck whether you are permitted to change the bulb yourself
( Y page 126).
or
XVisit a qualified specialist workshop.b
Check Rear Left
Turn Signal
or
Check Rear Right
Turn SignalThe rear left-hand or rear right-hand turn signal is faulty.XCheck whether you are permitted to change the bulb yourself
( Y page 126).
or
XVisit a qualified specialist workshop.b
Check Front Left
Turn Signal
or
Check Front Right
Turn SignalThe front left-hand or front right-hand turn signal is faulty.XCheck whether you are permitted to change the bulb yourself
( Y page 126).
or
XVisit a qualified specialist workshop.b
Check Left Mirror
Turn Signal
or
Check Right Mirror
Turn SignalThe turn signal in the left-hand and/or right-hand exterior mirror
is faulty.XCheck whether you are permitted to change the bulb yourself
( Y page 126).
or
XVisit a qualified specialist workshop.b
Check Center Brake
LampThe high-mounted brake lamp is faulty.XCheck whether you are permitted to change the bulb yourself
( Y page 126).
or
XVisit a qualified specialist workshop.Display messages223On-board computer and displaysBA 207 USA, CA Edition B 2011; 1; 3, en-USd2sboikeVersion: 3.0.3.62010-05-20T10:38:09+02:00 - Seite 223Z

Display messagesPossible causes/consequences and M Solutionsb
Check Left Tail
and Brake Lamps
or
Check Right Tail
and Brake LampsThe left or right brake/tail lamp is faulty.XCheck whether you are permitted to change the bulb yourself
( Y page 126).
or
XVisit a qualified specialist workshop.b
Check Left High
Beam
or
Check Right High
BeamThe left or right-hand high beam is faulty. XCheck whether you are permitted to change the bulb yourself
( Y page 126).
or
XVisit a qualified specialist workshop.b
Check Left License
Plate Lamp
or
Check Right
License Plate LampThe left or right-hand license plate lamp is faulty. XCheck whether you are permitted to change the bulb yourself
( Y page 126).
or
XVisit a qualified specialist workshop.XVisit a qualified specialist workshop.b
Check Left Fog Lamp
or
Check Front Fog
LampThe left-hand or right-hand front fog lamp is faulty. XCheck whether you are permitted to change the bulb yourself
( Y page 126).
or
XVisit a qualified specialist workshop.b
Check Rear Left
Fog Lamp
or
Check Rear Right
Fog LampThe left-hand or right-hand rear fog lamp is faulty. XCheck whether you are permitted to change the bulb yourself
( Y page 126).
or
XVisit a qualified specialist workshop.b
Check Front Left
Parking Lamp
or
Check Front Right
Parking LampThe front left or front right standing lamp is faulty. XCheck whether you are permitted to change the bulb yourself
( Y page 126).
or
XVisit a qualified specialist workshop.224Display messagesOn-board computer and displays
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Display messagesPossible causes/consequences and M Solutionsb
Check Left Reverse
Lamp
or
Check Right
Reverse LampThe left or right-hand backup lamp is faulty. XCheck whether you are permitted to change the bulb yourself
( Y page 126).
or
XVisit a qualified specialist workshop.b
Check Front Left
Sidemarker Lamp
or
Check Front Right
Sidemarker LampThe front left or right side marker lamp is faulty. XCheck whether you are permitted to change the bulb yourself
( Y page 126).
or
XVisit a qualified specialist workshop.b
Check Rear Left
Sidemarker Lamp
or
Check Rear Right
Sidemarker LampThe rear left or right side marker lamp is faulty.XCheck whether you are permitted to change the bulb yourself
( Y page 126).
or
XVisit a qualified specialist workshop.b
Check Left Daytime
Running Light
or
Check Right
Daytime Running
LightThe left or right-hand daytime running light is defective.XCheck whether you are permitted to change the bulb yourself
( Y page 126).
or
XVisit a qualified specialist workshop.b
Active Headlamps
InoperativeThe active light function is faulty.XVisit a qualified specialist workshop.b
Malfunction See
Operator's ManualThe exterior lighting is faulty.XVisit a qualified specialist workshop.b
Auto Lamp Function
InoperativeThe light sensor is faulty.XVisit a qualified specialist workshop.Display messages225On-board computer and displaysBA 207 USA, CA Edition B 2011; 1; 3, en-USd2sboikeVersion: 3.0.3.62010-05-20T10:38:09+02:00 - Seite 225Z