This chapter contains information on the following subjects:
→ An economic driving style
→ Driving in a fuel-efficient mannerFuel consumption, environmental impact and wear on the engine, brakes and tyres depend largely on three factors:
A few simple measures can help save fuel by up to 25%, depending on how you drive.
Active cylinder management (ACT®)
Depending on the vehicle equipment level, the vehicle may have active cylinder management (ACT®).
Active cylinder management (ACT®) can automatically deactivate individual engine cylinders in driving situations that require low power consumption. When a cylinder is deactivated, no fuel is injected into that cylinder, which can lead to an overall reduction in fuel consumption. The number of active cylinders can be shown in the instrument cluster display .

WARNING
An economic driving styleRemoving and installing speed sensors on front axle -G45-/-G47-
Note
Removal and installation is described for the front left
speed sensor. Removal and installation of the front right speed
sensor is analogous.
Removing
–
Raise vehicle.
&n ...
Checking valve timing, engine codes CHPA, CMBA, CPVA, CXSA, CZCA, CPVB, CZDA
Special tools and workshop equipment
required
Torque wrench -VAS 6583-
Locking pin -T10340-
...
Securing child seats with a seat belt
First read and observe the introductory information
and safety warnings It is permissible to fasten child seats with
universal written on the orange label to the seats using the seat belt,
but only on the seats marked in the table with a u.
Weight class
Fr ...