Coolant
MOBILITY
Coolant
or articles of clothing. Use suitable additives
only.
Vehicle features and
options
This chapter describes all standard, country-spe‐
cific and optional features offered with the series.
It also describes features that are not necessarily
available in your vehicle, for instance, due to the
selected options 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 ob‐
served.
Coolant level
Checking
There are yellow Min and Max marks in the cool‐
ant reservoir.
1. Let the engine cool.
2. Open the hood.
3. Turn the lid of the coolant reservoir slightly
counterclockwise to allow any excess pres‐
sure to dissipate, then open it.
General information
Coolant consists of water and additives.
Not all commercially available additives are suita‐
ble for the vehicle. Do not mix additives of differ‐
ent colors. Observe the water - additive mixing
ratio of 50:50. Information about suitable addi‐
tives is available from a dealer’s service center or
another qualified service center or repair shop.
Safety information
4. Open the coolant reservoir lid.
5. The coolant level is correct if it lies between
the minimum and maximum marks in the filler
neck.
Warning
With the engine 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 engine cooled down.
6. Close the lid.
Adding
1. Let the engine cool.
2. Open the hood.
Warning
Additives are harmful and incorrect additives
can damage the engine. There is a risk of injury
and risk of damage to property. Do not allow
additives to come into contact with skin, eyes
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Online Edition for Part no. 01402631131 - X/19
