2014 MERCEDES-BENZ G-Class check engine

Display messages Possible causes/consequences and
0050
0050Solutions 00AC
Coolant Too Hot Coolant Too Hot
Stop Vehicle Turn Stop Vehicle Turn
Engine Off Engine Off The coolant is too hot.
A warning tone also sounds.
G WARNING
Do not drive when your engine is overheated. This can cause some
fluids which may have leaked into the engine compartment to
catch fire.
Steam from the overheated engine can also cause serious burns
which can occur just by opening the hood.
There is a risk of injury.
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Ypage 156).
X Leave the vehicle and keep a safe distance from the vehicle until
the engine has cooled down.
X Make sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
X Do not start the engine again until the display message goes out
and the coolant temperature is below 248 ‡ (120 †).
Otherwise, the engine could be damaged.
X Pay attention to the coolant temperature display.
X If the temperature increases again, visit a qualified specialist
workshop immediately.
Under normal operating conditions and with the specified coolant
level, the coolant temperature may rise to 248 ‡ (120 †). The poly-V-belt may have torn.
X
Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Check the poly-V-belt.
If the poly-V-belt is torn:
! Do not continue driving. The engine could otherwise overheat.
X Consult a qualified specialist workshop.
If the poly-V-belt is not damaged:
X Wait until the display message disappears before restarting the
engine. Otherwise, the engine could be damaged.
X Pay attention to the coolant temperature display.
X Visit a qualified specialist workshop. 230
Display
messagesOn-board computer and displays

Display messages Possible causes/consequences and
0050
0050Solutions 003D The battery is not being charged.
A warning tone also sounds.
Possible causes are:
R
a defective alternator
R a torn poly-V-belt
R a malfunction in the electronics
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Open the hood.
X Check whether the poly-V-belt is torn.
If the poly-V-belt is torn:
! Do not continue driving. The engine could otherwise overheat.
X Consult a qualified specialist workshop.
If the poly-V-belt is not damaged:
X Visit a qualified specialist workshop. 00B2
Check Engine Oil Check Engine Oil
At Next Refueling At Next Refueling The engine oil level has dropped to the minimum level.
A warning tone also sounds.
X
Check the oil level when next refueling, at the latest
(Y page 283).
X If necessary, add engine oil ( Ypage 284).
X Have the engine checked at a qualified specialist workshop if
engine oil needs to be added more often than usual.
! Avoid long journeys with too little engine oil. The engine will
otherwise be damaged.
Information on approved engine oils can be obtained from any
qualified specialist workshop or on the Internet at http://
www.mbusa.com (USA only). 00B2
Engine Oil Level Engine Oil Level
Low Stop Vehicle Low Stop Vehicle
Turn Engine Off Turn Engine Off The engine oil level is too low. There is a risk of engine damage.
X
Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Add engine oil (Y page 284) and check the oil level
(Y page 283). Display
messages
231On-board computer and displays Z

Display messages Possible causes/consequences and
0050
0050Solutions 00B2
Check Engine Oil Check Engine Oil
Level Level
(Add
(Add1
1 quart)
quart) AMG vehicles: the engine oil level is too low.
X
Check the oil level when next refueling, at the latest
(Y page 283).
X If necessary, add engine oil ( Ypage 284).
X Have the engine checked at a qualified specialist workshop if
engine oil needs to be added more often than usual.
! Avoid long journeys with too little engine oil. The engine will
otherwise be damaged.
Information on approved engine oils can be obtained from any
qualified specialist workshop or on the Internet at http://
www.mbusa.com (USA only). 00B2
Engine Oil Level Engine Oil Level
Cannot Be Measured Cannot Be Measured The measuring system is malfunctioning.
X
Visit a qualified specialist workshop. 00B6
Fuel Level Low Fuel Level Low The fuel level has dropped into the reserve range.
X
Refuel at the nearest gas station. 00A8 There is only a very small amount of fuel in the fuel tank.
X
Refuel at the nearest gas station without fail. 00B6
Gas Cap Loose Gas Cap Loose The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.
X
Check that the fuel filler cap is correctly closed.
If the fuel filler cap is not correctly closed:
X Close the fuel filler cap.
If the fuel filler cap is correctly closed:
X Visit a qualified specialist workshop. 232
Display
messagesOn-board computer and displays

Driving systems
Display messages Possible causes/consequences and
0050
0050Solutions TC Shift
TC Shift
Conditions Not Conditions Not
Fulfilled Fulfilled
Apply Brake/ Apply Brake/
Parking Brake Parking Brake The parking brake has not been applied and the brake pedal has
not been depressed. The transfer case has canceled the gear
change process and is in
Neutral. There is no connection between
the engine and the drive wheels.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Depress the brake pedal and apply the parking brake.
X Shift the automatic transmission to neutral position N.
X Make sure all conditions for changing gears are met
(Y page 194).
X Repeat the gearshift process. TC Malfunction TC Malfunction
Visit WorkshopTo Visit WorkshopTo
park, apply the park, apply the
parking brake parking brake There is a malfunction in the transfer case.
X
Do not shift the transfer case.
X When parking, secure the vehicle against rolling away
(Y page 156).
X Have the vehicle checked at a qualified specialist workshop. TC Shift Canceled TC Shift Canceled
Please Reactivate Please Reactivate The transfer case has not performed the gear change process.
X
Repeat the gearshift process.
X Make sure all conditions for changing gears are met
(Y page 194). TC TC
Shift
Shift Condition
Condition
Not Fulfilled
Not Fulfilled
Drive at Max. Drive at Max.
25 mph 25 mph You have exceeded the maximum speed for the gearshift process.
X
Drive more slowly.
X Repeat the gearshift process. TC TC
Shift
Shift Condition
Condition
Not Fulfilled
Not Fulfilled
Shift to NEUTRAL Shift to NEUTRAL You have not met one or more shift conditions.
X
Shift the automatic transmission to neutral position N.
X Repeat the gearshift process. TC TC
shift
shift condition
condition
not fulfilled
not fulfilled
Drive at Max. Drive at Max.
40 mph 40 mph You have exceeded the maximum speed for the gearshift process.
X
Drive more slowly.
X Repeat the gearshift process. LOW RANGE LOW RANGE
On On The transfer case is in the
LOW RANGEoff-road position. HIGH RANGE
HIGH RANGE
On On The transfer case is in the
HIGH RANGEon-road position. Display
messages
233On-board computer and displays Z

Display messages Possible causes/consequences and
0050
0050Solutions DISTRONIC PLUS
DISTRONIC PLUS
Currently Currently
Unavailable See Unavailable See
Operator's Manual Operator's Manual DISTRONIC is deactivated and temporarily inoperative. Possible
causes are:
R
the DISTRONIC PLUS cover in the radiator trim is dirty
R function is impaired due to heavy rain or snow.
R the sensors in the bumpers are dirty.
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
R the system is outside the operating temperature range.
R the transfer case is in the LOW RANGEtransmission position.
R the vehicle is on an uphill or downhill gradient of greater than
22%-25%.
R the on-board voltage is too low.
A warning tone also sounds.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Apply the parking brake.
X Clean the DISTRONIC PLUS cover in the radiator trim and the
bumper ( Ypage 291).
X Restart the engine.
If the system detects that the sensors are fully operational, the
display message disappears.
DISTRONIC is operational again. DISTRONIC PLUS DISTRONIC PLUS
Inoperative
Inoperative DISTRONIC PLUS is defective.
BAS (Brake Assist) may also have failed.
A warning tone also sounds.
X
Visit a qualified specialist workshop. DISTRONIC PLUS DISTRONIC PLUS
Passive Passive You have depressed the accelerator pedal. DISTRONIC PLUS is no
longer controlling the speed of the vehicle.
X
Remove your foot from the accelerator pedal. DISTRONIC PLUS DISTRONIC PLUS
--- mph --- mph An activation condition for DISTRONIC PLUS is not fulfilled.
X
Check the activation conditions for DISTRONIC PLUS
(Y page 176). DISTRONIC DISTRONIC
PLUS
PLUSand
and
SPEEDTRONIC
SPEEDTRONIC
Inoperative
Inoperative DISTRONIC PLUS and SPEEDTRONIC are faulty. A warning tone
also sounds.
X
Visit a qualified specialist workshop. 236
Display
messagesOn-board computer and displays

Display messages Possible causes/consequences and
0050
0050Solutions 0077
Check Check
Tire
TirePressure
Pressure The tire pressure in one or more tires has dropped significantly.
G WARNING
With tire pressures which are too low, there is a risk of the
following hazards:
R they may burst, especially as the load and vehicle speed
increase.
R they may wear excessively and/or unevenly, which may greatly
impair tire traction.
R the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away ( Ypage 156).
X If there is a flat tire, inspect the tires (Y page 298).
X Check the tire pressure (Y page 319).
X If necessary, correct the tire pressure. 0077
Correct Tire Correct Tire
Pressure Pressure The tire pressure is too low in at least one of the tires, or the tire
pressure difference between the wheels is too great.
X
Check the tire pressures at the next opportunity (Y page 319).
X If necessary, correct the tire pressure. Vehicle
Display messages Possible causes/consequences and
0050 0050Solutions Shift to 'P' or
Shift to 'P' or
'N' 'N'
to
toStart
Start Engine
Engine You have attempted to start the engine with the transmission in
position
Ror D.
X Shift the transmission to position Por N. Auxiliary Battery Auxiliary Battery
Malfunction Malfunction The auxiliary battery for the automatic transmission is no longer
being charged.
X
Visit a qualified specialist workshop at the next opportunity.
X Until then, set the automatic transmission to position Pbefore
you switch off the engine.
X Before leaving the vehicle, apply the parking brake. 240
Display
messagesOn-board computer and displays

Display messages Possible causes/consequences and
0050
0050Solutions 0065 The rear door is open.
G WARNING
When the engine is running, exhaust gases can enter the vehicle
interior if the rear door is open.
There is a risk of poisoning.
X Close the rear door. 0066 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 Secure the vehicle against rolling away ( Ypage 156).
X Close the hood. 0051 At least one door is open.
A warning tone also sounds.
X
Close all the doors. 0052
Power Steering Power Steering
Malfunction See Malfunction See
Operator's Manual Operator's Manual The power steering is malfunctioning.
A warning tone also sounds.
G WARNING
You will need to use more force to steer.
There is a risk of an accident.
X Check whether you are able to apply the extra force required.
X If you are able to steer safely: carefully drive on to a qualified
specialist workshop.
X If you are unable to steer safely: do not drive on. Contact the
nearest qualified specialist workshop. Phone No Service Phone No Service Your vehicle is outside the network provider's transmitter/
receiver range.
X
Wait until the mobile phone operational readiness symbol
appears in the multifunction display. 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 286). Display
messages
241On-board computer and displays Z

SmartKey
Display messages Possible causes/consequences and
0050
0050Solutions 00AF
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. 00AF
Take Take
Your
YourKey
Keyfrom
from
Ignition
Ignition The SmartKey is in the ignition lock.
X
Remove the SmartKey. 00AF
Obtain a New Key Obtain a New Key The SmartKey needs to be replaced.
X
Visit a qualified specialist workshop. Warning and indicator lamps in the
instrument cluster Overview of warning and indicator
lamps
0058 Low-beam
headlamps(Ypage 99)
003E003D Turn signals (Ypage 103)
0057 High-beam headlamps
(Ypage 103)
005A Fog lamps (Ypage 101)
005E Rear fog lamp (Y page 101)
00E9 Seat belts (Ypage 243)
0027 (USA) Brakes (Y page 244)
004D (Canada)B rakes (yellow)
(Y page 244)
0025 ABS (Ypage 245)
00E5 ESP®
(Y page 247)
00BB ESP®
OFF (Y page 247)
0075 SRS (Ypage 250)
00B9 Check Engine (Y page 251)
00B6 Reserve fuel (Ypage 251)
00AC Coolant (Ypage 251)
00BA Distance warning signal
(Ypage 253)
0077 Tire pressure monitor
(Ypage 254) 242
Warning and indicator lamps in the instrument clusterOn-board computer and displays