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
FuelSelection menu
First read and observe the introductory information
and safety warnings
Menu
Function
See
Driving data
Information
and settings for the multifunction display (MFD).
,
Display of current warning or information mess ...
Removing and installing covers for auxiliary heater control unit -J364
Removing
–
Switch off electrical consumers.
–
Switch off auxiliary and supplementary heater and switch off
ignition.
–
Remove auxiliary heater
→  ...
Introduction
This chapter contains information on the following subjects:
→ Warning lamp
→ Checking the electrolyte level of the vehicle battery
→ Charging, replacing, disconnecting and connecting the vehicle battery
The vehicle battery is a component of the electrical ...