Mercedes-Benz GL-Class 2015 - Manual (Page 190)

Problems with fuel and the fuel tank
This section provides descriptions of and solutions to safety-relevant problems. Descriptions
of and solutions to further problems can be found in the Digital Operator's Manual.
Problem Possible causes/consequences and M M Solutions
Fuel is leaking from the
vehicle.
The fuel line or the fuel tank is faulty.
G WARNING
Risk of explosion or fire.
X
Turn the SmartKey to position 0 in the ignition lock and remove
it immediately (
Y
page 167).
X Do not restart the engine under any circumstances.
X Consult a qualified specialist workshop.
DEF (BlueTEC vehicles only)
Important notes on use
To function properly, BlueTEC exhaust gas
aftertreatment must be operated with the
reducing agent DEF. Adding DEF is one of the
tasks performed during maintenance. Under
normal operating conditions, a tank of DEF
lasts until the next service due date.
When the supply of DEF is almost used up, the
Check Check Additive Additive See See Operator's Operator's Manual Manual
message is shown in the multifunction dis-
play.
If you drive the vehicle faster than 10 mph
(16 km/h), the Check Check Additive Additive See See Oper‐ Oper‐
ator's Manual ator's Manual message goes out after
approximately one minute.
When the supply of DEF is down to a reserve
of approximately 1 gal (3.8 l) the Refill Refill
AdBlue/DEF AdBlue/DEF See See Operator's Operator's Manual Manual mes-
sage is shown in the multifunction display.
When the DEF supply drops to a minimum, the
Remaining Starts: 16 Remaining Starts: 16 message is shown
in the multifunction display.
If the
Refill AdBlue/DEF No Start in Refill AdBlue/DEF No Start in
XXXX km XXXX km message is shown in the multifunc-
tion display, you can still drive the vehicle
over the distance shown. If DEF is not refilled,
you will subsequently be unable to start the
engine. If the Refill AdBlue/DEF Eng. Refill AdBlue/DEF Eng.
Start Not Poss Start Not Poss message appears in the
multifunction display and the engine does not
start, you must add DEF.
X
Add at least 1 gal (3.8 l) of DEF.
X
Switch on the ignition for at least 60 sec-
onds.
X Start the engine.
i Have the DEF tank refilled at a qualified
specialist workshop.
Use the special DEF refill bottle when adding
DEF between maintenance intervals. Contact
an authorized Mercedes-Benz Center with
any questions or, if necessary, contact Road-
side Assistance (
Y
page 26).
If the outside temperature is below 12 ‡
(Ò11 †) it may be difficult to top up. If DEF is
frozen and there is an active warning indica-
tor, it may not be possible to add DEF. Park
the vehicle in a warmer place, e.g. in a garage,
until DEF has become fluid again. It will then
be possible to add DEF again. Alternatively,
have the DEF tank refilled at a qualified spe-
cialist workshop.
Further information about BlueTEC exhaust
gas aftertreatment and DEF is available at any
authorized Mercedes-Benz Center.
188
Refueling
Driving
and
parking