Coolant
MOBILITY
Coolant
Vehicle features and
options
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
or articles of clothing. Use suitable additives
only.
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, e. g., due to the selected
options or country versions. This also applies to
safety-related functions and systems. When us‐
ing these functions and systems, the applicable
laws and regulations must be observed.
Coolant level
Checking
1. Let the engine cool.
General information
The vehicle has two coolant reservoirs that are
located in the engine compartment.
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.
To ensure the operational reliability of the vehi‐
cle, always check the coolant level of both cool‐
ant reservoirs.
Not all commercially available additives are suita‐
ble for the vehicle. Information about suitable ad‐
ditives is available from a dealer’s service center
or another qualified service center or repair shop.
Safety information
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.
234
Online Edition for Part no. 01402629978 - VI/18
English 
