Never carry out any work on the engine or in the engine compartment if you are not familiar with the requisite procedures and general safety requirements, or if you only have access to incorrect operating equipment, service fluids, and unsuitable tools . The work should be carried out by a qualified workshop if you are uncertain. Please ensure that the following are checked regularly, preferably every time you fill the tank:

Windscreen washer fluid level Windscreen wiper and washer Windscreen wipers Windscreen washer

Engine oil level Engine oil Engine oil Engine compartment Engine oil_5 Oil see Engine oil_5

Engine coolant level Coolant Coolant Engine compartment Coolant_4 Engine coolant see Coolant_4

Brake fluid level Braking, stopping and parking Brakes Parking

Tyre pressure Wheels and tyres Wheels and tyres Tyres see Wheels and tyres_0
Information on changing bulbs .
Checks when filling the tank
FuelFunction of air quality sensor -G238-
The air quality sensor detects noxious substances in the
ambient air (primarily petrol and/or diesel fumes).
The Climatronic control unit -J255- evaluates the signal
from the air quality sensor -G238-. The air conditioning system
i ...
Towing a trailer
Fig. 154 ParkPilot screen display when
towing a trailer (colour)
First read and observe the introductory information
and safety warnings Only the scanned area to the front of the vehicle is
shown on the infotainment system screen in vehicles with a factory-fitted towing
bracket and a tra ...
If the refrigerant circuit was completely empty
Remove defective part.
–
Remove air conditioner compressor.
–
Remove oil drain screw from air conditioner compressor.
Note
To speed up the draining of the refri ...