Emergency Mode; Refueling; Important Safety Notes; Transfer Case - Mercedes-Benz GLK-Class Operator's Manual

Refueling

154
Problems with the transmission
Problem
The transmission has
problems shifting gear.
The acceleration ability
is deteriorating.
The transmission no
longer changes gear.

Transfer case

This section is only valid for vehicles with 4-
wheel drive (4MATIC). Power is always
transmitted to both axles.
! Performance tests may only be carried
out on a 2-axle dynamometer. The brake
system or transfer case could otherwise be
damaged. Contact a qualified specialist
workshop for a performance test.
! To prevent ESP
ignition must be switched off (SmartKey in
position 0 or 1) if:
the parking brake is being tested on a
R
brake dynamometer.
the vehicle is being towed with only one
R
axle raised (not permitted for vehicles
with 4MATIC).
The brake system could otherwise be
damaged.
! Vehicles with 4MATIC must not be towed
with either the front or the rear axle raised,
as doing so will damage the transmission.
Possible causes/consequences and M Solutions
The transmission is losing oil.
Have the transmission checked at a qualified specialist
X
workshop immediately.
The transmission is in emergency mode.
It is only possible to shift into second gear and reverse gear.
Stop the vehicle.
X
Shift the transmission to position P.
X
Switch off the engine.
X
Wait at least ten seconds before restarting the engine.
X
Shift the transmission to position D or R.
X
If D is selected, the transmission shifts into second gear; if R is
selected, the transmission shifts into reverse gear.
Have the transmission checked at a qualified specialist
X
workshop immediately.
®
from intervening, the
Refueling

Important safety notes

G
WARNING
Fuel is highly flammable. If you handle fuel
incorrectly, there is a risk of fire and
explosion.
You must avoid fire, open flames, creating
sparks and smoking. Switch off the engine
and, if applicable, the auxiliary heating before
refueling.
G WARNING
Fuel is poisonous and hazardous to health.
There is a risk of injury.
You must make sure that fuel does not come
into contact with your skin, eyes or clothing
and that it is not swallowed. Do not inhale fuel
vapors. Keep fuel away from children.