2021 MERCEDES-BENZ C-CLASS CABRIOLET low oil pressure

Information on using a high-p
ressure cleaner &
WARNING Risk of an accident when
using high-pressure cleane rswith round-
spray nozzles
The wate r jet can cause extern ally invisible
damage.
Components damaged in this wa y may unex‐
pec tedly fail. #
Do not use a high-pressure cleaner with
round-spr aynozzles. #
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 The key is at a minimum distance of 3 m
aw ay from theve 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. The waterte mp era‐
ture of the high-pressure cleaner must not
exc eed 60°C.
R Obser vethe information on the cor rect dis‐
ta nce in the equipment manufacturer's oper‐
ating instructions.
R Do not direct the nozzle of the high-pressure
cleaner directly at sensitive parts, such as
tyres, soft top, wind deflector net, gaps, elec‐
trical components, batteries, light sources
and ventilation slits. Wa
shing theve hicle byhand *
NO
TEEngine dama gedue towa ter
ing ress #
Take care not topoint thewate r jet
directly towa rdsth e air inlet grille below
th e bonn et. obser
vethe legal requ irements, e.g. in a number
of countries, washing byhand is only permitted
in specially designated wash ba ys. #
Use a mild cleaning agent, e.g. 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.
% Obse rveth e no tes on the care of car parts
(/ page 368). Note
s on paint work/matt finish paint work
care Obse
rveth e no tes on cleaning and care toavo id
damaging the paintwor k.
Pa int
R Insect remains: soak with insect remo ver and
ri nse off the treated areas af terw ards.
R Bird droppings: soak with water and rinse off
af te rw ards. 364
Maintenance and care

Scratches, cor
rosive deposits, areas af fected by
cor rosion and damage caused byincor rect care
cannot al ways be comple tely repaired. In such
cases, visit a qualified specialist workshop.
Yo u can obtain more information on care and
cleaning products from the manufacturer.
In the case of foil-wrapped sur faces, optical dif‐
fe re nces may occur between the sur faces that
we renot pr otected bya decorative foil af ter
re moving a decorative foil.
% Have wo rkor repairs todecorative foils car‐
ri ed out at a qualified specialist workshop,
e.g. in a Mercedes-Benz Service Centre. Note
s on cleaning and care of the soft top Obser
vethefo llowing no tes in order topreve nt
dama getothe soft top.
Light dirt R Clean the soft top when dr y.
R Rinse with clean water. Norm
alto heavy dirt
R Clean the soft top with a brush and clean
wate r.
R Clean stains and other heavy dirt with a
brush and soft-top cleaning agents recom‐
mended and appr ovedfo r Mercedes-Benz.
R Brush from front toback in the direction of
th efa bric.
Av oiding soft- top damage
R Never use petrol, thinners, tar or stain
re mo ver or other or ganic sol vents.
R Remo vebird droppings immediatel y,as they
are cor rosive and can therefore cause the
soft-top fabric toleak.
R Never use a high-p ressure cleaner.
R Do not use sharp-edged equipment to
re mo veice and sno w.
Fr equent cleaning reduces the soft top's resist‐
ance todirt. Torestore the ef fect, clean the soft
to p with the soft-to p cleaning agents recommen‐
ded and appr oved for Mercedes-Benz.
Incor rect cleaning and care, as well as ageing,
can cause the soft-to p seams toleak. If this hap‐ pens, ha
vethe soft-to p seams sealed at a quali‐
fi ed specialist workshop, e.g. at your Mercedes-
Benz service centre.
% Place a suitable co verove rth e soft top if you
plan tolea vetheve hicle outside for a long
period of time. Cleaning AIRC
AP Cleaning
the wind deflector
* NO
TEDama getothe net due tousing a
high-pressure cleaner #
Never use a high-p ressure cleaner to
clean the net of the wind deflector. Re
quirements:
R The soft top is closed.
R The elect ric pa rking brake has been applied.
R The ignition is switched on. 366
Maintenance and care

5
Engine oil le velRe duce oil le vel.... 484
5 Engine oil le velSt op vehicle
Switch engine off.................................. 484
5 Engine oil pressure Stop
Switch off engine.................................. 485
ä Fault Drive at max. 80 km/h........ 464
6 Front left malfunction Consult
wo rkshop (e xample).............................. 431
_ Front left seat backrest not
loc ked (e xamp le).................................. .445
! inoperative See Owner's Man‐
ual......................................................... 468
÷ inoperative See Owner's Man‐
ual......................................................... 469
T inoperative See Owner's Man‐
ual......................................................... 470
G Inoperative................................... 472
: Intellige nt Light Sy stem inoper‐
ative...................................................... 439 Á
Key not de tected (red displ ay
messa ge)............................................... 435
Á Key not de tected (white displ ay
messa ge)............................................... 434
: Left dipped beam (e xamp le)........ .438
6 Left wind owbag malfunction
Consult workshop (e xample)................ .431
¢ Lowe ring...................................... 465
: Malfunction See Owner's Man‐
ual......................................................... 438
ð Maximum speed exceeded ........... 459
Ø ..................................................... 480
ç Off................................................4 58
ë Off................................................ 456
K Open/close top comple tely.......... 437
! Parking brake See Owner's
Manual .................................................. .451
É Please reduce speed .................... 466
Ý Please wait 48 V battery charg‐
ing ........................................................ .474 _
Rear left seat backrest not
loc ked (Example)................................... 445
h Rectify tyre pressure.................... 477
Ø Refill Ad Blue See Owne r’s
Manual.................................................. 480
! Release parking brake .................. 454
¸ Replace air cleaner ......................448
Á Replace key.................................. 434
8 Reser vefuel le vel......................... 448
6 Restra int sys. malfunction Con‐
sult workshop........................................ 431
# See Owner's Manual....................4 73
Ù Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual ......443
Ù Steering malfunction Stop
immediately See Owner's Manual .........443
# Stop vehicle Lea veengine run‐
ning ........................................................ 474
# Stop vehicle See Owner's Man‐
ual......................................................... 47351 0
Index