Mercedes Benz 2003 e 320 User Manual

The service life of a tire is dependent upon 
varying factors including but not limited to:

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Driving style

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Tire pressure

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Distance driven

Unidirectional tires offer added advantag-
es, such as better aquaplaning perfor-
mance. To benefit, however, you must 
ensure that the tires rotate in the direction 
specified.

An arrow on the sidewall indicates the in-
tended direction of tire rotation.

Regularly check your tire pressure at inter-
vals of no more than 14 days. 

Correct the tire pressure only when tires 
are cold.

If the tires are warm you should only cor-
rect the tire pressure if it is too low for cur-
rent operating conditions.

A table on the fuel filler flap lists the spec-
ified tire inflation pressures for warm and 
cold tires as well as for various operating 
conditions.

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Tires and spare tire should be replaced after 
six years, independently of the remaining 
tread.

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Keep unmounted tires in a cool, dry 
place with as little exposure to light as 
possible. Protect tires from contact 
with oil, grease and gasoline.

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If the tire pressure repeatedly drops:

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Check the tires for punctures from for-
eign objects

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Check to see whether air is leaking from 
the valves or from around the rim.

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The pressures listed for light loads are 
minimum values offering high driving 
comfort.

Increased inflation pressures listed for 
heavier loads may also be used for light 
loads. These higher pressures produce 
favorable handling characteristics. The 
ride of the vehicle, however, will be 
somewhat harder. Never exceed the 
maximum values or inflate tires below 
the minimum values listed in the fuel 
filler flap.