MOBILITY
Coolant
Coolant
Vehicle features and options
Warning
Additives are harmful and incorrect addi-
tives can damage the drive system. There
is a risk of injury and risk of damage to
property. Do not allow additives to come
into contact with skin, eyes or articles of
clothing. Use suitable additives only.
This chapter describes all standard, country-
specific and optional features offered with
the series. It also describes features and
functions that are not necessarily available
in your vehicle, e.g., due to the selected op-
tions or country versions. This also applies
to safety-related functions and systems.
When using these functions and systems,
the applicable laws and regulations must be
observed.
NOTICE
Loss of coolant may damage the drive sys-
tem. There is a risk of damage to property.
Make sure that there is sufficient coolant
in the reservoir at all times. Always have
coolant added by a dealer's service center
or another qualified service center or re-
pair shop.
General information
Coolant consists of water and additives.
Not all commercially available additives are
suitable for the vehicle. Do not mix addi-
tives of different colors. Observe the water -
additive mixing ratio of 50:50. Information
about suitable additives is available from a
dealer’s service center or another qualified
service center or repair shop.
Coolant level
Checking
There are yellow Min and Max marks in the
coolant reservoir.
Safety information
1. Allow the drive system to cool down.
2. Open the hood, refer to page 244.
Warning
3. Turn the lid of the coolant reservoir
slightly counterclockwise to allow any
With the drive system hot and the cooling
system open, coolant can escape and lead
to scalding. There is a risk of injury. Only
open the cooling system with the drive
system cooled down.
246
Online Edition for Part no. 01405A02680 - II/20
English 
