2017 MERCEDES-BENZ E-CLASS COUPE maintenance

Engine oil
Checking
the engine oil le vel using the oil
dip stick &
WARNING Danger of bu rns from hot
component parts in the engine compart‐
ment
Cer tain component parts in the engine com‐
partment may be very hot, e.g. the engine,
th era diator and parts of theex haust sy stem. #
Let the engine cool down and only
to uch the component parts described
below: Depending on
the engine, the oil dipstick may be
ins talled in the engine compartment in dif fere nt
locations.
Wa iting time before checking the oil le vel:
R Engine at normal operating temp erature: five
minutes. R
Engine not at normal operating temp erature
(e.g. the engine was only star ted brief ly): 30
minutes. #
Park theve hicle on a flat sur face. #
Remo veoil dipstick 1and wipe off. #
Slowly slide oil dipstick 1into the guide
tube tothestop, and take it out again af ter
appr oximately thre e seconds.
R Oil le vel is cor rect: oil le vel is between 2
and 3.
R Oil le velto o low: oil le vel is at 3or
belo w.
R Oil le velto o high: oil le vel is abo ve2 . #
Ifth e oil le vel is too lo w,top up with 1 l of
engine oil. #
Ifth e engine oil le vel is too high, ha vethe
exc ess engine oil remo ved immediately at a
qu alified specialist workshop.
Checking the engine oil le vel using the on-
board compu ter (E 220 d)
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 measu rethe oil
le ve l if:
R The vehicle is not le vel during the measuring
process. 356
Maintenance and care

R
The bonnet has been pr eviously opened.
The engine must be restar ted and the engine oil
le ve l will be de term ined again during driving.
On-board computer: , Service .
Engine oil level:
Yo u will see one of thefo llowing display
messa ges in the multifunction displa y:#
Engine oil level Measuring now: measu re‐
ment of the oil le vel is not yet possible.
Re peat there qu est af ter a maximum of 30
minutes' driving. #
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 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
theexc ess engine oil. Consult a qualified
specialist workshop. #
For engine oil level turn on ignition: switch on
th e ignition tocheck the engine oil le vel. #
Engine oil level System inoperative : sensor
fa ulty or not connected. Consult a qualified
specialist workshop. #
Engine oil level System currently unavail. :
close the engine bonn et.
To pping up engine oil &
WARNING Danger of bu rns from hot
component parts in the engine compart‐
ment
Cer tain component parts in the engine com‐
partment may be very hot, e.g. the engine,
th era diator and parts of theex haust sy stem. #
Let the engine cool down and only
to uch the component parts described
below: &
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. *
NO
TEEngine dama gecaused byan
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 forthe
service inter vals. #
Do not alter the engine oil or oil filter in
order toachie velonger change inter vals
th an presc ribed. #
Do not use additives. Maintenance and care
357

#
Follow the instructions in the service
inter val display rega rding the oil
ch ange. *
NO
TEDama gecaused bytopping up too
much engine oil To
pping up too much engine oil can cause
damage tothe engine or the catalytic con‐
ve rter. #
Have excess engine oil remo ved at a
qu alified specialist workshop. #
Turn cap 1anti-clockwise and remo veit. #
Top up the engine oil. #
Replace cap 1and turn it clockwise as far
as it will go. #
Check the oil le vel again (→ page 356). Checking
the coolant le vel &
WARNING Danger of bu rns from hot
component parts in the engine compart‐
ment
Cer tain component parts in the engine com‐
partment may be very hot, e.g. the engine,
th era diator and parts of theex haust sy stem. #
Let the engine cool down and only
to uch the component parts described
below: &
WARNING Danger of bu rns from hot
coolant
The engine cooling sy stem is pressurised,
particularly when the engine is warm. If you
open the cap, you could be scalded byhot
coolant spr aying out. #
Let the mo tor cool down before opening
th e cap. #
When opening the cap, wearglove s and
pr otective eyew ear. 358
Maintenance and care

#
Slowly turn the cap half a turn toallow
pressure toescape. #
Park theve hicle on a flat sur face. #
Check the coolant temp erature display in the
instrument clus ter.
The coolant temp erature must be below
70 °C. #
Slowly turn cap 1anti-clockwise torelie ve
ov erpressure. #
Continue turning cap 1anti-clockwise and
re mo veit.
The coolant le vel is cor rect:
R Ifth e engine is cold, up tomar ker bar 2
R Ifth e engine is warm, up to1.5 cm over
mar ker bar 2 #
If necessar y,top up with coolant that has
been appr ovedby Mercedes-Benz.
R Further information on coolant (→ page418) To
pping up the windsc reen washer sy stem &
WARNING Danger of bu rns from hot
component parts in the engine compart‐
ment
Cer tain component parts in the engine com‐
partment may be very hot, e.g. the engine,
th era diator and parts of theex haust sy stem. #
Let the engine cool down and only
to uch the component parts described
below: &
WARNING Danger of bu rns when open‐
ing the bonn et
If yo u open the engine bonn etwhen the
engine has overheated or during a fire inthe
engine compartment, you could come into
contact with hot gases or other escaping
operating fluids. #
Before opening the bonn et, allow the
engine tocool down. #
Intheeve nt of a fire inthe engine com‐
partment, keep the engine bonn et
closed and call thefire service. &
WARNING ‑ Risk of fire and injury due to
windscreen washer concentrate
Wi ndsc reen washer concentrate is highly
fl ammable. It could ignite if it comes into
con tact wi thhot engine component parts or
th eex haust sy stem. Maintenance and care
359

#
Make sure that no windsc reen washer
concentrate spills out next tothefiller
opening. #
Remo vecap 1bytheta b. #
Top up thewa sher fluid. Cleaning and care
Information on
washing theve hicle in a car
wa sh &
WARNING Risk of an accident due to
re duced braking po wer af terwa shing the
ve hicle
Braking ef ficiency is reduced af terwa shing
th eve hicle. #
Afterth eve hicle has been washed,
brake carefully while paying attention to
th e traf fic conditions until braking
po we r has been fully restored. To
avo id damage to yourvehicle when using a
car wash, ensure thefo llowing beforehand:
R Distance Pilot DISTRONIC and the HOLD
function are switched off.
R The 360° Camera or there ve rsing camera is
switched off.
R The side windo wsand sliding sun roof are
comple tely closed. R
The bl owerforth eve ntilation/heating is
switched off.
R The windsc reen wiper switch is in position 0.
R In car washes with a towing mechanism: neu‐
tral iis engaged.
R The key is at a dis tance of at least 3 m away
from theve hicle, otherwise the boot lid could
open unintentionall y.
% If, af terth e car wash, youre mo vethewax
from the windscreen and wiper rubber, this
will pr event smearing and reduce wiper
noise. Information on using a high-p
ressure cleaner &
WARNING Risk of an accident when
using high-pressure cleane rswith circu‐
lar jet nozzles
The wate r jet of a circular jet nozzle (dirt
grinder) can cause extern ally invisible dam‐
age tothe tyres or chassis parts.
Components damaged in this wa y may unex‐
pec tedly fail. 360
Maintenance and care

#
Do not use high-pressure cleane rswith
circular jet nozzles toclean theve hicle. #
Have damaged tyres or chassis parts
re placed immediatel y. To
avo id damage to yourvehicle, obser vethefo l‐
lowing when using a high-pressure cleaner:
R Keep theke y at least 3 m away from the
ve hicle. Otherwise the boot lid could open
unintentionall y.
R Maintain a dis tance of at least 30 cm tothe
ve hicle.
R Vehicles with deco rative foil: parts of your
ve hicle are co vered with a decorative foil. Maintain a dis
tance of at least 70 cm
between thefo il-c ove red parts of theve hicle
and the nozzle of the high pressure cleaner.
Mo vethe high-pressure cleaner nozzle
around whilst cleaning.
R Obser vethe information on the cor rect dis‐
ta nce in the equipment manufacturer's oper‐
ating instructions.
R Do not point the nozzle of the high-pressure
cleaner directly at sensitive parts such as
tyres, slits, electrical component parts, bat‐
te ries, light sources and ventilation sl ots. Wa
shing theve hicle byhand Obser
vethe legal requ irements, e.g. in some
countries, washing byhand is only allo wed at
specially equipped washing ba ys. #
Use a mild cleaning agent, such as a car
shampoo. #
Washtheve hicle with luk ewarmwate r using
a soft car sponge. When doing so, do not
ex pose theve hicle todirect sunlight. #
Carefully hose theve hicle off with water and
dry using a chamois. Take care not topoint
th ewate r jet directly towa rdsth e air inlet
grille. Maintenance and care
361

Note
s on paint work/matt finish paint workcare Obser
vethefo llowing information: Information on cleaning and car
eAvoiding damage tothe paintwork
Pa int R
Insect remains: soak with insect remo ver and rinse off the
trea ted areas af terw ards.
R Bird droppings: soak with water and rinse off af terw ards.
R Coolant, brake fluid, tree resins, oils, fuel and greases:
ge ntly rub with a clo thsoaked in petroleum ether or
lighter fluid.
R Tarst ains: use tarre mo ver.
R Wax: use silicone remo ver. R
Do not apply sticke rs,fi lms etc.
R Remo vedirt immediately, where possible.
Matt finish R
The vehicle should preferably be washed byhand using a
soft sponge, car shampoo and plenty of water.
R Only use care products recommended byMercedes-Benz. R
Do not polish theve hicle and light-alloy wheels.
R Do not ha veyour vehicle cleaned at an automatic car
wa sh too frequently and do not use wash programs which
fi nish wi tha hot waxve hicle treatment.
R Do not use paint cleaner, buf fing or polishing products
su ch as a gloss preser ver,e.g. wax.
R Alw ays ha vepaintwork repairs car ried out at a qualified
specialist workshop. 362
Maintenance and care

Note
s on care of vehicle parts &
WARNING Risk of entrapment if the
windscreen wipers are swit ched on while
th e windscreen is being cleaned
If th e windscreen wipers are set in motion
while you are cleaning the windscreen or
wiper blades, you can be trapped bythe
wiper arm. #
Alw ays switch off the windscreen wip‐
ers and the ignition before cleaning the
windscreen or wiper blades. &
WARNING Risk of bu rns from tailpipes
and tailpipe trim
The tailpipe and tailpipe trim can become
ve ry hot. If you come into contact with these
parts of theve hicle, you could burn yourself. #
Alw ays be particular lycareful around
th eta ilpipe and theta ilpipe trim. #
Allow theve hicle parts tocool down
before youto uch them. Obser
vethefo llowing information: Information on cleaning and car
eAvoiding vehicle damage
Wheels/rims Usewate r and acid-free wheel cleaners. R
Do not use acidic wheel cleaners toremo vebrake dust.
This could damage wheel bolts and brake components.
R Toavoid cor rosion of the brake discs and brake linings,
drive theve hicle for a few minutes af ter cleaning before
parking it. The brake discs and brake linings warm up and
dry out.
Wi ndo ws
Cleanthe windo wsonthe inside and outside using a damp
clo thand cleaning products recommended byMercedes-
Benz. Do not use dry clo
ths, abrasive products or cleaning agents
containing sol vents toclean the inside of the windo ws. Maintenance and care
363