Operation
Tires and wheels
Quality grades can be found, where appli-
cable, on the tire sidewall between tread
shoulder and maximum section width. For
example:
The relative performance of tires depends
upon the actual conditions of their use,
however, and may depart significantly
from the norm due to variations in driving
habits, service practices and differences in
road characteristics and climate.
Temperature
The temperature grades are A (the high-
est), B, and C, representing the tire’s resis-
tance to the generation of heat and its
ability to dissipate heat when tested under
controlled conditions on a specified indoor
laboratory test wheel. Sustained high tem-
perature can cause the material of the tire
to degenerate and reduce tire life, and ex-
cessive temperature can lead to sudden
tire failure. The grade C corresponds to a
level of performance which all passenger
car tires must meet under the Federal Mo-
tor Vehicle Safety Standard No. 109.
Grades B and A represent higher levels of
performance on the laboratory test wheel
than the minimum required by law.
Treadwear Traction Temperature
200
AA
A
Traction
All passenger car tires must conform to
federal safety requirements in addition to
these grades.
The traction grades, from highest to low-
est, are AA, A, B, and C. Those grades rep-
resent the tire’s ability to stop on wet
pavement as measured under controlled
conditions on specified government test
surfaces of asphalt and concrete. A tire
marked C may have poor traction perfor-
mance.
Treadwear
The treadwear grade is a comparative rat-
ing based on the wear rate of the tire when
tested under controlled conditions on a
specified government test course. For ex-
ample, a tire graded 150 would wear one
Warning!
G
and one-half (1 /2) times as well on the
1
government course as a tire graded 100.
The traction grade assigned to this tire is
based on straight-ahead braking traction
tests, and does not include acceleration,
cornering, hydroplaning, or peak traction
characteristics.
358
| Categories | Mercedes-Benz E-Class Manuals, Mercedes-Benz Manuals |
|---|---|
| Tags | Mercedes-Benz E320 BlueTec, Mercedes-Benz E55 AMG, Mercedes-Benz E550, Mercedes-Benz W211 |
| Model Year | 2007 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(2 votes, average: 4.5 out of 5)
Automotive readers have rated 2007 Mercedes-Benz E-Class Operators Manual E320 BlueTEC E350 4MATIC E550 4MATIC E63 AMG 4.5 out of 5.0 based on 2 product reviews. lost manual,
can i download it please?
great car,but i lost manual and need one