engine MERCEDES-BENZ G-CLASS SUV 2013 Owners Manual

0043
Lap
0044 RACETIMER
You can start the RACETIMER when the
engine is running or if the SmartKey is in
position 2(Y page 139) in the ignition lock.
X Press 0059 or 0065 on the steering wheel
to select the AMG menu.
X Press the 0063 button repeatedly until the
RACETIMER is shown.
X To start: press the 0076 button to start the
RACETIMER.
Displaying the intermediate time X
Press the 0059 or 0065 button to select
Interm. Time.
X Press 0076 to confirm.
The intermediate time is displayed for five
seconds.
Starting a new lap 0043
RACETIMER
0044 Fastest lap time (best lap)
0087 Lap
X Press 0076 to confirm New Lap.i
It is possible to store a maximum of
sixteen laps. The 16th lap can only be
completed with Finish Lap.
Stopping the RACETIMER X
Press the 0041 button on the steering
wheel.
X Press 0076 to confirm Yes.
The RACETIMER is interrupted if you stop the
vehicle and turn the SmartKey to position
1(Y page 139) in

the ignition lock. If you turn
the SmartKey to position 2 or
3(Y page 139) and then press 0076 to
confirm Start, timing is continued.
Resetting the current lap
X Stop the RACETIMER ( Y page 223).
X Press 0059 or 0065 to select Reset Lap.
X Press 0076 to reset the lap time to "0".
Deleting all laps If you switch off the engine, the RACETIMER
is reset to "0" after 30 seconds. All laps are
deleted.
You cannot delete individual stored laps. If
you have stopped 16 laps, the current lap
does not have to be reset. Menus and submenus
223On-board computer and displays Z

Display messages Possible causes/consequences and
0050 Solutions0049
Check Left Daytime
Running Light  or 
Check Right
Daytime Running
Light The left or right-hand daytime running lamp is defective.
X
Visit a qualified specialist workshop. 0049
Malfunction See
Operator's Manual The exterior lighting is defective.
X
Visit a qualified specialist workshop. 0049
Auto Lamp Function
Inoperative The light sensor is defective.
X
Visit a qualified specialist workshop. 0049
Switch Off Lights The lights are still switched on when you leave the vehicle. A
warning tone also sounds.
X
Turn the light switch to 0058. Engine
Display messages Possible causes/consequences and
0050 Solutions00BD
Check Coolant
Level See
Operator's Manual The coolant level is too low.
X
Add coolant, observing the warning notes before doing so
(Y page 291).
X Have the coolant system checked at a qualified specialist
workshop if the coolant
needs topping up more often than usual.00AC The fan motor is faulty.
X
At coolant temperatures below 248 ‡ (120 †), drive
to the next
qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in
mountainous terrain and stop-start traffic.234
Display messages
On-board computer and displays

Display messages Possible causes/consequences and
0050 Solutions00AC
Coolant Too Hot
Stop Vehicle Turn
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 ( Y page 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. Display messages
235
On-board computer and displays Z

Display messages Possible causes/consequences and
0050 Solutions003D 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
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 289).
X If necessary, add engine oil ( Y page 291).
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
Low Stop Vehicle
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 291) and check the oil level
(Y page 289). 236
Display messages
On-board computer and displays

Display messages Possible causes/consequences and
0050 Solutions00B2
Check Engine Oil
Level (Add 1
quart) AMG vehicles: the engine oil level is too low.
X
Check the oil level when next refueling, at the latest
(Y page 289).
X If necessary, add engine oil ( Y page 291).
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
Cannot Be Measured The measuring system is malfunctioning.
X
Visit a qualified specialist workshop. 00B6
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 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. Display messages
237On-board computer and displays Z

Driving systems
Display messages Possible causes/consequences and
0050 SolutionsTC Shift
Conditions Not
Fulfilled
Apply 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 199).
X Repeat the gearshift process. TC Malfunction
Visit WorkshopTo
park, apply the
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
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 199). TC Shift Condition
Not Fulfilled
Drive at Max.
25 mph You have exceeded the maximum speed for the gearshift process.
X
Drive more slowly.
X Repeat the gearshift process. TC Shift Condition
Not Fulfilled
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 shift condition
not fulfilled
Drive at Max.
40 mph You have exceeded the maximum speed for the gearshift process.
X
Drive more slowly.
X Repeat the gearshift process. LOW RANGE
On The transfer case is in the LOW RANGE off-road position.
HIGH RANGE
On The transfer case is in the HIGH RANGE on-road position.238
Display messages
On-board computer and displays

Display messages Possible causes/consequences and
0050 SolutionsBlind Spot Assist
Currently
Unavailable See
Operator's Manual
or
Active Blind Spot
Assist Currently
Unavailable See
Operator's Manual Blind Spot Assist or Active Blind Spot Assist is temporarily
inoperative. Possible causes are:
R
you have established the electrical connection between the
trailer and your vehicle.
R the sensors are dirty.
R function is impaired due to heavy rain or snow.
R the radar sensor system is outside the operating temperature
range.
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.
The yellow 0063 indicator lamps also light up in the exterior
mirrors.
X When towing a trailer, confirm the display message with 0076.
If you are driving without a trailer and 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 sensors ( Y page 297).
X Restart the engine.
If the system detects that the sensors are fully operational, the
display message disappears.
Blind Spot Assist or Active Blind Spot Assist is operational again. Blind Spot Assist
Inoperativeor
Active Blind Spot
Assist Inoperative Blind Spot Assist or Active Blind Spot Assist is defective.
The yellow
0063 indicator lamps also light up in the exterior
mirrors.
X Visit a qualified specialist workshop. DISTRONIC PLUS
Off DISTRONIC PLUS has been deactivated (
Y page 177).
If it was deactivated automatically, a warning tone also sounds. DISTRONIC PLUS
Now Available DISTRONIC PLUS is operational again after having been
temporarily unavailable. You
can
now reactivate DISTRONIC PLUS
(Y page 177). 240
Display messages
On-board computer and displays

Display messages Possible causes/consequences and
0050 SolutionsDISTRONIC PLUS
Currently
Unavailable See
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 RANGE transmission 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 ( Y page 297).
X Restart the engine.
If the system detects that the sensors are fully operational, the
display message disappears.
DISTRONIC is operational again. DISTRONIC PLUS
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
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
--- mph An activation condition for DISTRONIC PLUS is not fulfilled.
X
Check the activation conditions for DISTRONIC PLUS
(Y page 177). DISTRONIC PLUS and
SPEEDTRONIC
Inoperative DISTRONIC PLUS and SPEEDTRONIC are faulty. A warning tone
also sounds.
X
Visit a qualified specialist workshop. Display messages
241On-board computer and displays Z

Display messages Possible causes/consequences and
0050 Solutions0077
Check Tire 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 ( Y page 156).
X If there is a flat tire, inspect the tires ( Y page 304).
X Check the tire pressure (Y page 325).
X If necessary, correct the tire pressure. 0077
Correct Tire
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 325).
X If necessary, correct the tire pressure. Vehicle
Display messages Possible causes/consequences and
0050 SolutionsShift to 'P' or
'N' to Start
Engine You have attempted to start the engine with the transmission in
position R or D.
X
Shift the transmission to position P or N.Auxiliary Battery
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 P before
you switch off the engine.
X Before leaving the vehicle, apply the parking brake. Display messages
245
On-board computer and displays Z

Display messages Possible causes/consequences and
0050 Solutions0065 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 ( Y page 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
Malfunction See
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 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 The washer fluid level in the washer fluid reservoir has dropped
below the minimum.
X
Add washer fluid ( Y page 292).246
Display messages
On-board computer and displays