2011 MERCEDES-BENZ R-Class display
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Display messagesPossible causes/consequences and M Solutions$
(USA only)
J
(Canada only)
EBV, ABS, ESP
Inoperative See
Operator's ManualGRisk of accident
EBD (Electronic Brake-force Distribution), ABS (Anti-lock Brake
System), ESP ®
(Electronic Stability Program) and therefore also
PRE-SAFE ®
are not available due to a malfunction. BAS (Brake
Assist) is also 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.#
Brake WearThe brake pads/linings have reached their wear limit.XVisit a qualified specialist workshop.$
(USA only)
!
(Canada only)
Release Parking
BrakeYou are driving with the parking brake engaged. A warning tone
also sounds.XRelease the parking brake.$
(USA only)
J
(Canada only)
Check Brake Fluid
LevelGRisk of accident
There is insufficient brake fluid in the brake fluid reservoir. In
addition, the red warning lamp $(USA only) or J (Canada
only) in the instrument cluster lights up 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.
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Lights
i Display messages about LEDs:
This display message will only appear if all LEDs have failed.Display messagesPossible causes/consequences and M Solutionsb
Low Beam Left
or
Low Beam RightThe left or right-hand low-beam headlamp is faulty. XCheck whether you are permitted to change the bulb yourself
( Y page 121).
or
XVisit a qualified specialist workshop.b
Trailer Tail Lamp
Left
or
Trailer Tail Lamp
RightThe left or right-hand trailer tail light is faulty.XCheck whether you are permitted to change the bulb yourself.
or
XVisit a qualified specialist workshop.b
Trailer Turn
Signal Left
or
Trailer Turn
Signal RightThe left or right-hand trailer turn signal lamp is faulty.XCheck whether you are permitted to change the bulb yourself.
or
XVisit a qualified specialist workshop.b
Trailer Brake LampThe trailer brake lamp is faulty.XCheck whether you are permitted to change the bulb yourself.
or
XVisit a qualified specialist workshop.b
Turn Signal Rear
Left
or
Turn Signal Rear
RightThe rear left-hand or rear right-hand turn signal is faulty.XCheck whether you are permitted to change the bulb yourself
( Y page 121).
or
XVisit a qualified specialist workshop.b
Turn Signal Front
Left
or
Turn Signal Front
RightThe front left-hand or front right-hand turn signal is faulty.XCheck whether you are permitted to change the bulb yourself
( Y page 121).
or
XVisit a qualified specialist workshop.Display messages221On-board computer and displaysBA 251 USA, CA Edition A 2011; 1; 3, en-USd2sboikeVersion: 3.0.3.52010-04-16T14:31:55+02:00 - Seite 221Z
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Display messagesPossible causes/consequences and M Solutionsb
Turn Signal Left
Mirror
or
Turn Signal Right
MirrorThe 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 121).
or
XVisit a qualified specialist workshop.b
3rd Brake LampThe high-mounted brake lamp is faulty.XCheck whether you are permitted to change the bulb yourself
( Y page 121).
or
XVisit a qualified specialist workshop.b
Brake Lamp Left
or
Brake Lamp RightThe left or right-hand brake lamp is faulty.XCheck whether you are permitted to change the bulb yourself
( Y page 121).
or
XVisit a qualified specialist workshop.b
Tail Lamp Left
or
Tail Lamp RightThe left or right-hand tail lamp is faulty.XCheck whether you are permitted to change the bulb yourself
( Y page 121).
or
XVisit a qualified specialist workshop.b
High Beam Left
or
High Beam RightThe left or right-hand high beam is faulty. XCheck whether you are permitted to change the bulb yourself
( Y page 121).
or
XVisit a qualified specialist workshop.b
License Plate Lamp
Left
or
License Plate Lamp
RightThe left or right-hand license plate lamp is faulty.
The left or right-hand license plate lamp is faulty. XCheck whether you are permitted to change the bulb yourself
( Y page 121).
or
XVisit a qualified specialist workshop.222Display messagesOn-board computer and displays
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Display messagesPossible causes/consequences and M Solutionsb
Front Foglamp Left
or
Front Foglamp RightThe left-hand or right-hand front fog lamp is faulty.
The left-hand or right-hand front fog lamp is faulty. XCheck whether you are permitted to change the bulb yourself
( Y page 121).
or
XVisit a qualified specialist workshop.b
Foglamp Rear Left
or
Foglamp Rear RightThe left-hand or right-hand rear fog lamp is faulty. XCheck whether you are permitted to change the bulb yourself
( Y page 121).
or
XVisit a qualified specialist workshop.b
Parking Lamp Front
Left
or
Parking Lamp Front
RightThe front left or front right standing lamp is faulty. XCheck whether you are permitted to change the bulb yourself
( Y page 121).
or
XVisit a qualified specialist workshop.b
Reverse Lamp Left
or
Reverse Lamp RightThe left or right-hand backup lamp is faulty. XCheck whether you are permitted to change the bulb yourself
( Y page 121).
or
XVisit a qualified specialist workshop.b
Marker Lamp Front
Left
or
Marker Lamp Front
RightThe front left or right side marker lamp is faulty. XCheck whether you are permitted to change the bulb yourself
( Y page 121).
or
XVisit a qualified specialist workshop.b
Daytime Running
Light Left
or
Daytime Running
Light RightThe left or right-hand daytime running light is defective.XCheck whether you are permitted to change the bulb yourself
( Y page 121).
or
XVisit a qualified specialist workshop.Display messages223On-board computer and displaysBA 251 USA, CA Edition A 2011; 1; 3, en-USd2sboikeVersion: 3.0.3.52010-04-16T14:31:55+02:00 - Seite 223Z
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Display messagesPossible causes/consequences and M Solutionsb
AUTO Light
InoperativeThe light sensor is faulty. The low-beam headlamps are switched
on.XUSA only: switch off daytime driving lights in the on-board
computer ( Y page 206).XSwitch the lights on and off using the light switch.XVisit a qualified specialist workshop.b
Switch Off LightsThe lights are still switched on when you leave the vehicle. A
warning tone also sounds.XTurn the light switch to $ or c .
or
XIf the rear fog lamp is switched on: press the light switch in to
the stop.
Engine
Display messagesPossible causes/consequences and M Solutions+
Top Up Coolant See
Operator's ManualThe coolant level is too low.XAdd coolant, observing the warning notes before doing so
( Y page 281).XIf coolant needs adding more often than usual, have the engine
coolant system checked at a qualified specialist workshop.GWarning
Do not spill antifreeze on hot engine parts. Antifreeze contains ethylene glycol which may burn
if it comes into contact with hot engine parts. You could be seriously burned.
! The coolant level is too low. Avoid making long journeys with too little coolant in the cooling
system. The engine will otherwise be damaged.
The display messages and the corresponding symbol that indicate that the coolant level is
too low must not be ignored.
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Display messagesPossible causes/consequences and M Solutions?
Coolant Stop car,
switch engine offThe coolant is too hot.XPull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.XMake sure that the air supply to the radiator is not blocked, e.g.
by snow, slush or ice.XWait until the display message disappears before restarting the
engine. Otherwise, there is a risk of engine damage.XPay attention to the coolant temperature display.XIf the temperature increases again, visit a qualified specialist
workshop immediately.The poly-V-belt may have torn.XPull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.XOpen the hood.XCheck whether the poly-V-belt is torn.
If the poly-V-belt is torn:
! Do not continue driving. The engine could otherwise overheat.
XConsult a qualified specialist workshop.
If the poly-V-belt is OK:
XWait until the display message disappears before restarting the
engine. Otherwise, there is a risk of engine damage.XPay attention to the coolant temperature display.XVisit a qualified specialist workshop.GWarning
Driving when your engine is overheated can cause some fluids which may have leaked into the
engine compartment to catch fire. You could be seriously burned.
Steam from an overheated engine can cause serious burns which can occur just by opening the
engine hood. Stay away from the engine if you see or hear steam coming from it.
Stop the vehicle in a safe location away from other traffic. Turn off the engine, get out of the
vehicle and do not stand near the vehicle until the engine has cooled down.
! If the coolant temperature exceeds 248 ‡(120 †) do not continue driving. The engine will
otherwise be damaged.
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Display messagesPossible causes/consequences and M Solutions?The engine fan is faulty.XAt coolant temperatures under 248 ‡(120 †), drive to the next
qualified specialist workshop.XAvoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-start driving.#The battery is not being charged.
Possible causes are:
R a faulty alternator
R a torn poly-V-belt
R a malfunction in the electronicsXPull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.XOpen the hood.XCheck whether the poly-V-belt is torn.
If the poly-V-belt is torn:
! Do not continue driving. The engine could otherwise overheat.
XConsult a qualified specialist workshop.
If the poly-V-belt is OK:
XVisit a qualified specialist workshop.#
Battery/
Alternator Stop
VehicleThe battery is faulty.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.4
Check engine oil
level at next
refuelingThe oil level is too low.XCheck the oil level ( Y page 279).XIf necessary, add the engine oil ( Y page 280).XHave the engine checked for leaks if engine oil has to be added
more often than usual.
Information on approved engine oils can be obtained from any qualified specialist workshop
or on the Internet at http://www.mbusa.com (USA only).
! The oil level is too low. Avoid long journeys with too little engine oil. There is a risk of
engine damage.
The display messages and the corresponding symbol that indicate that the oil level is too
low must not be ignored.
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Display messagesPossible causes/consequences and M SolutionsCThere is only a small amount of fuel in the fuel tank.XRefuel at the nearest gas station.8
Reserve FuelThe fuel level has fallen below the reserve range.
The fuel tank must be filled up to at least the reserve fuel level;
otherwise, engine running may be impaired.XRefuel at the nearest gas station.8
Gas Cap OpenThe fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.XCheck that the fuel filler cap is correctly closed.XIf the fuel filler cap is not correctly closed: close the fuel filler
cap.XIf the fuel filler cap is closed: visit a qualified specialist
workshop.8
Ultra Low-sulfur
Diesel Fuel OnlyVehicles with a diesel engine: the fuel level has fallen below the
reserve range.XCheck that the fuel filler cap is correctly closed.XRefuel at the nearest gas station.XOnly use commercially available vehicular ULTRA-LOW SULFUR
DIESEL FUEL (ULSD, 15 ppm SULFUR MAXIMUM).¸
Replace air filterVehicles with a diesel engine: the engine air filter is contaminated
and must be replaced. XVisit a qualified specialist workshop.·
Clean Fuel FilterVehicles with a diesel engine: there is water in the fuel filter. The
water must be drained off. XVisit a qualified specialist workshop.Ø
Check Additive See
Operator's ManualThe AdBlue ®
tank is empty.XHave the AdBlue ®
tank filled as soon as possible at a qualified
specialist workshop ( Y page 165).
Visit a qualified specialist workshop.Ø
Remaining Starts:
20The AdBlue ®
level has fallen to a minimum.XHave the AdBlue ®
tank filled as soon as possible at a qualified
specialist workshop ( Y page 165).
Visit a qualified specialist workshop.Display messages227On-board computer and displaysBA 251 USA, CA Edition A 2011; 1; 3, en-USd2sboikeVersion: 3.0.3.52010-04-16T14:31:55+02:00 - Seite 227Z