First read and observe the introductory information
and safety warnings
In some vehicles, the instrument cluster will show which gear should be selected while the vehicle is in motion to reduce fuel consumption.
| Display | Meaning |
|---|---|
|
The current gear is optimal. |
|
A higher gear is recommended. |
|
A lower gear is recommended. |
In vehicles with a manual gearbox the recommended gear will be indicated in the form of a number and a recommendation to shift up or down into the gear shown will be displayed in the form of an arrow.
In vehicles with an automatic gearbox if the selector lever is in the tiptronic position, the current gear will be indicated in the form of a number and a recommendation to shift up or down a gear will be displayed in the form of an arrow .
Information on cleaning the diesel particulate filter
The exhaust management system detects when a diesel particulate filter is filling up and aids the filter's self-cleaning process by recommending the most suitable gear when driving. This may mean driving with increased engine speed in exceptional cases .

CAUTION
Driving in the correct gear can reduce fuel consumption.
Gear-change indicator display goes out when the clutch is depressed in vehicles with a manual gearbox or when Tiptronic position is deselected in vehicles with an automatic gearbox.
Fault in the function of the automatic gearboxAirbag and Belt Tensioner Wire Repair Information
Note
Observe general notes for repairs on the vehicle electrical
system. Refer to
→ Chapter „Vehicle Electrical System, General Repair
Information“.
In addition to the general repairs on wiring harnesses, th ...
Vibration, Road Test, Performing Before Balancing
If a vehicle comes to the workshop with the complaint
“vibration”, a road test must be performed before balancing the
wheels.
That way, information about the type of vibration can be
obtained.
Obser ...
Refrigerant Circuit with Expansion Valve and Evaporator
1 -
Evaporator
2 -
Expansion Valve
3 -
Valve for extracting, filling and measuring
4 -
Receiver/dryer with dryer bag/dryer cartridge
...