*
NO
TEDama gecaused bythew rong fuel Even small amounts of
thew rong fuel could
re sult in damag etothe fuel sy stem, the
engine and thee mission control sy stem. #
Onlyrefuel using unleaded fuel that
con form stoEN2 28, or an equivalent
speci fication.
Fu el of this specification ma ycontain up to
10 %e thanol. Your vehicle is suitable foru se
wit hE 10 fuel.
Do no trefuel using:
R diesel
R E85, E100
R petrol containing me thano l(M15, M30,
M85 ,M100)
R petrol wit hadditives con tainin gm etal
If yo ua cciden tally refuel wit hthe wrong fuel: #
do no tswitc hthe ignition on. #
consult aqualified specialis tworks hop. Re
commende dfuel:th er ecommende doctane
number fory our vehicle can be found in the
instruction label in thef uel filler flap
(→ pag e160).
If th ea vailable fuel is no tsufficientl ylow in sul‐
phu r,th is can produce unpleasant odours.
S4 50 4MATIC: onlyrefuel using super unleaded
petrol wit hatleast 98 RON,ifyo uw ish toach‐
ie ve maximu mengine output. Alternatively ,you
can also refuel using premiu mgrade petrol with
at lea st95 RON.
Al lm odels: asatemporar ymeasure, if ther ec‐
ommended fuel is no tavailable, youm ayalso
use regular unleaded petrol wit hanoctane num‐
ber of at leas t91RON. This ma yreduce engine
output and increase fuel consum ption.
Ne verrefuel using petrol wit halowerRON.
Fu rther information on fuel can be found:
R atafilling station
R ataq ualified specialis tworks hop
Information on additives in petrol
Obser vethen otes on service products
(→ pag e421). *
NO
TEDama gecaused bynon-app roved
additives Even small amounts of
thew rong additive
ma ylead tomalfunctions occur ring. #
Only ad dcleaning additives recommen‐
ded byMercedes-Benztot he fuel. Mercedes-Benz
recommends that youu se
brand-name fuels wit hadditives.
The fuel grade available in som ecountries may
no tbes ufficient. Residue could buildupint he
fuel injection sy stem as aresult. In this case, in
consultation wit haMercedes-Benz Service
Cent re,the fuel ma ybemixed wit hthe cleaning
additiv erecommende dbyMercedes-Benz. Be
sur etoo bservethen otes and mixing ratios
speci fied on thec ontainer.
Ta nk capacit yand reser vefuel le vel
The total capacity of thef uel tank ma yvary,
dependin gonthevehicle equipment. Te
ch nica ldata 423
