Page 329 of 502

Engine oil
Checkingthe engine oil le vel with an on-
board computer
The engine oil le vel is de term ined during driving.
The oil le vel display is only available af ter a driv‐
ing time of up to30 minutes and if the ignition is
switched on, depending on the driving profile.
It is not possible tocor rectly measure the oil
le ve l if:
Rtheve hicle is not le vel during the measure‐
ment process.
Rth e hood was pr eviously opened.
The engine must be restar ted and the engine oil
le ve l will be de term ined again when driving.
On-board computer:
,Service.Engine Oil Level
Yo u will see one of thefo llowing messa ges in
th e multifunction displa y:
#Measuring Engine Oil Level...: measurement
ofthe oil le vel is not yet possible. Repeat the
requ est af ter a maximum of 30 minutes' driv‐
ing.
#Engine Oil Level OK andthe bar display for
indicating the oil le vel in the multifunction
display is green and is between "min" and
"max": the oil le vel is cor rect.
#Engine Oil Level Add 1.0 l andthe bar display
fo r indicating the oil le vel in the multifunction
display is orange and is below "min": top up
with 1.1 US qt (1 l) of engine oil.
#Reduce Engine Oil Level andthe bar display
fo r indicating the oil le vel in the multifunction
display is orange and is abo ve"max ":drain
off theex cess engine oil. Consult a qualified
specialist workshop.
#For Engine Oil Level Switch Ignition On:
switch on the ignition tocheck the engine oil
le ve l.
#Engine Oil Level System Inoperative: sensor
defective or not connec ted. Consult a quali‐
fi ed specialist workshop.
#Engine Oil Level System Currently Unavail.:
close the hood. Ad
ding engine oil
&
WARNING Risk of burn s from hot com‐
ponent parts in the engine compartment
Cer tain component parts in the engine com‐
partment can be very hot, e.g. the engine,
th e cooler and parts of theex haust sy stem.
#Let the engine cool down and only
to uch the component parts described
as follo ws .
&
WARNING Risk offire and injury from
engine oil
If engine oil comes into con tact wi thhot
component parts in the engine compart‐
ment, it may ignite.
#Make sure that no engine oil is spilled
next tothefiller opening.
#Allow the engine tocool off and thor‐
oughly clean the engine oil from compo‐
nent parts before starting theve hicle.
Maintenance and care 327
Page 330 of 502

*NO
TEEngine damage causedbyan
incor rect oil filter, incor rect oil or addi‐
tives
#Do not use engine oils or oil filters
which do not cor respond tothe specifi‐
cations explicitly prescribed forth e
service inter vals.
#Do not alter the engine oil or oil filter in
order toachie velonger change inter vals
th an prescri bed.
#Do not use additives.
#Follow the instructions in the service
inter val display rega rding the oil
ch ange.
* NO
TEDama gecaused bytopping up too
much engine oil
Ad ding too much engine oil can cause dam‐
age tothe engine or the catalytic con verter.
#Ha ve excess engine oil remo ved at a
qu alified specialist workshop.
#Tu rn cap 1counter-clockwise and remo ve
it.
#Ad d engine oil.
#Replace cap 1and turn it clockwise as far
as it will go.
#Check the oil le vel again (→page 327).
Checking coolant le vel
&
WARNING Risk of burn s from hot com‐
ponent parts in the engine compartment
Cer tain component parts in the engine com‐
partment can be very hot, e.g. the engine,
th e cooler and parts of theex haust sy stem.
#Let the engine cool down and only
to uch the component parts described
as follo ws .
&
WARNING Risk of scalding from hot
coolant
The engine cooling sy stem is pressurized,
particularly when the engine is warm. If you
open the cap, you could be scalded byhot
coolant spr aying out.
#Let the engine cool down before open‐
ing the cap.
#When opening the cap, wearglove s and
saf etygl asses.
#Open the cap slowly torelease pres‐
sure.
328 Maintenance and care
Page 479 of 502

Releasing automatically ...................... .148
Electrical fuses Before replacing a fuse ........................ 357
Electrical fuses see Fuses
Electronic Stability Prog ram
see ESP
®(Electronic Stability Prog ram)
Electronics ............................................... 391
Emer gency
Assis tance overview .............................. 18
Saf etyve st ........................................... 341
Eme rgency braking ................................ .149
Emer gency call sy stem
Mercedes-Benz mbrace
®(USA) .......... .291
Emer gency engine start .......................... 357
Emer gency operation mode
St arting theve hicle ............................. 130
Emer gency release
Tr unk lid(from ins ide)............................ 70
Emer gency Tensioning Devices
Ac tivation .............................................. 34 ENE
RGIZING comfort
Overview of programs ........................ .250
St arting the prog ram ........................... 251
Energ y consum ption
SmartK ey............................................... 58
Engine ECO start/ stop function ......................1 34
Engine number ....................................3 93
Ju mp -sta rting ...................................... 349
St arting (eme rgency operation
mode) .................................................. 130
St arting (Remo
teOnline) ...
..................130
St arting (s tart/s top button) ................ .129
Switching off (s tart/s top button) ........ 142
Engine data Displaying ............................................ 136
Engine number ........................................ 393
Engine oil ................................................ .327
Ad ding .................................................3 27
Ad ditives .............................................3 97
Capacity .............................................. 398
Checking the oil le vel using the on-
board computer ................................... 327
MB-Fr eigabe or MB-Appr oval .............. .398 Quality ................................................. 398
ESC (Electronic Stability Control)
see ESP
®(Electronic Stability Prog ram)
ESP
®
Crosswind Assist ................................. 155
ESP
®(Electronic Stability Prog ram) ...... 152
Ac tivating/deactivating .......................1 55
Fu nction/no tes ................................... 152
Exhaust pipes (Care) ...............................336
Exterior lighting Care .................................................... 336
Ex terior lighting
see Lights
Externa
l device
Locking ................................................ 244
F
Fa tigue de tection
see ATTENTION ASSIST
Fa ult message
see Display message
Index47
7