Mai nte nan ce and ca re, Engine compartment – Mercedes-Benz GL-Class 2014 Owners Manual User Manual

Page 375

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Example: engine oil cap

X

Turn cap : counter-clockwise and remove

it.

X

Add engine oil.

If the oil level is at or below the MIN mark

on the oil dipstick, add 1.1 US qt (1.0 l) of

engine oil.

X

Replace cap : on the filler neck and turn

clockwise.

Ensure that the cap locks into place

securely.

X

Check the oil level again with the oil

dipstick (

Y

page 371).

Further information on engine oil

(

Y

page 449).

Additional service products

Checking coolant level

G

WARNING

Certain components in the engine

compartment, such as the engine, radiator

and parts of the exhaust system, can become

very hot. Working in the engine compartment

poses a risk of injury.
Where possible, let the engine cool down and

touch only the components described in the

following.

G

WARNING

The engine cooling system is pressurized,

particularly when the engine is warm. When

opening the cap, you could be scalded by hot

coolant spraying out. There is a risk of injury.
Let the engine cool down before opening the

cap. Wear eye and hand protection when

opening the cap. Open the cap slowly half a

turn to allow pressure to escape.

X

Park the vehicle on a level surface.
Only check the coolant level when the

vehicle is on a level surface and the engine

has cooled down.

X

Turn the SmartKey to position 2 in the

ignition lock (

Y

page 167).

On vehicles with KEYLESS-GO, press the

Start/Stop button twice (

Y

page 167).

X

Check the coolant temperature gauge in

the multifunction display.

The coolant temperature must be below

158 ‡ (70 †).

X

Turn the SmartKey to position

0 (

Y

page 167) in the ignition lock.

X

Slowly turn cap : half a turn counter-

clockwise to allow excess pressure to

escape.

X

Turn cap : further counter-clockwise and

remove it.

If the coolant is at the level of marker bar

= in the filler neck when cold, there is

enough coolant in coolant expansion

tank ;.
If the coolant level is approximately 0.6 in

(1.5 cm) above marker bar = in the filler

neck when warm, there is enough coolant

in expansion tank ;.

Engine compartment

373

Mai

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