Mercedes Benz 2009 M-Class User Manual

In the “Operation” section you will find 
detailed information on operating, main-
taining and caring for your vehicle.

The more cautiously you treat your vehicle 
during the break-in period, the more satis-
fied you will be with its performance later 
on.

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Drive your vehicle during the first 
1000 miles (1500 km) at varying but 
moderate vehicle and engine speeds.

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During this period, avoid heavy loads 
(full throttle driving) and excessive 
engine speeds (no more than

2

/

3

 of 

maximum rpm in each gear).

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Shift gears in a timely manner.

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Avoid accelerating by kick-down.

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Do not attempt to slow the vehicle 
down by shifting to a lower gear using 
the gear selector lever.

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Select gear ranges 3, 2 or 1 
(

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page 193) only when driving at 

moderate speeds (for hill driving).

After 1000 miles (1500 km) you may 
gradually increase vehicle and engine 
speeds to the permissible maximum.

All of the above instructions, as may apply 
to your vehicle type, also apply when driv-
ing the first 1000 miles (1500 km) after 
the engine, the transfer case, the front dif-
ferential or the rear differential has been 
replaced.

!

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