Mercedes-Benz 190 D 2.2 1985, Owner'S Manual

Page: 98 / 109

C o n s u m e r in fo rm a tio n
T h is has been p repared as required
o f all m a n u fa c tu re rs o f passenger
cars u n d e r T itle 49, C ode o f U, S.
Federal R e g u la tio n s, Part 575 p u r­
su a n t to th e “ N ational T ra ffic and
M o to r V e h ic le S afety A c t o f 1966” .
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Uniform Tire Quality Grading
R elevant tire gra d e in fo rm a tio n on
tire fla n ks.
All passenger ca r tire s m ust c o n ­
fo rm to fe d e ra l safety re q u ire m e n ts
in a d d itio n to these grades.
T ra c tio n “ A ” , “ B ” , “ C"
The tra c tio n grades, fro m h ig h e s t to
low est, are “ A ” , “ B ” and “ C ” and
th e y re p re se nt th e tir e ’s a b ility to
sto p on w e t p a vem ent as m easured
u n d e r c o n tro lle d c o n d itio n s on
s p e c ifie d g o v e rn m e n t te st surfaces
o f a s p h a lt and c o n cre te . A tire
m arked “ C ” may have p o o r tra c tio n
p e rfo rm a n ce .
W a rn in g : The tra c tio n grade as­
s ig n e d to th is tire is based on b ra k ­
in g (stra ig h ta h e a d ) tra c tio n tests
and does n o t in c lu d e c o rn e rin g
(tu rn in g ) tra c tio n .
T e m p e ra tu re “ A ” , “ B ” , “ C ”
T he te m p e ra tu re grades o f “ A ” (the
h ig h est). “ B ” and “ C ” re p re se ntin g
th e tir e ’s resistance to th e ge n e ra ­
tio n o f heat and its a b ility to d is s i­
pate heat w h e n tested u n d e r c o n ­
tro lle d c o n d itio n s on a s p e c ifie d in ­
d o o r la b o ra to ry te st w heel. Sus­
ta in e d high te m p e ra tu re can cause
th e m aterial o f th e tire to d e g e n e r­
ate and re d u ce tire life, and exces­
sive te m p e ra tu re can lead to s u d ­
den tire fa ilu re . The g rade “ C ” c o r­
re sp o n d s to a level o f p e rfo rm a n c e
w h ic h all passenger ca r tire s m ust
m eet u n d e r th e Federal M o to r V e h i­
cle S afety S ta n d a rd No. 109. Grades
“ B ” and “ A ” re p re se nt h ig h e r levels
o f p e rfo rm a n c e on th e la b o ra to ry
test w heel th a n th e m in im u m re­
q u ire d by law. W a rn in g : The te m ­
p e ra tu re g rade fo r th is tire is estab­
lish e d fo r a tire th a t is p ro p e rly in ­
fla te d and n o t ove rlo a d e d . Exces­
sive speed, u n d e rin fla tio n , o r exces­
sive lo a d in g , e ith e r sep a ra te ly o r in
c o m b in a tio n , can cause heat b u ild ­
up and p o ssib le tire fa ilu re .
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