Mercedes-Benz Sprinter 2018 Operating Instructions Manual page 286

284 Maintenance and care
Checking the coolant level
Example: coolant expansion reservoir
Park the vehicle on an even surface.
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Open the bonnet (
/
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Slowly turn the coolant expansion reservoir
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cap 1 half a turn anti-clockwise and allow
excess pressure to escape.
Turn coolant expansion reservoir cap
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ther and remove it.
Check the coolant level.
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There is enough coolant in coolant expansion
reservoir if the coolant reaches the MAX
mark.
Topping up the coolant
Refill the coolant to the MAX mark on the
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coolant expansion reservoir.
Only use coolant approved by Mercedes-Benz to
avoid damaging the engine cooling system.
Replace coolant expansion reservoir cap
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and tighten in a clockwise direction.
Start the engine.
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After approximately five minutes, switch off
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the engine again and allow it to cool down.
Check the coolant level again and top up the
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coolant if necessary.
%
Observe additional coolant information
( page 356).
/
page 279).
1 fur‐
1
Filling up the windscreen washer system
& WARNING Risk of burns from hot com‐
ponent parts in the engine compartment
Certain components in the engine compart‐
ment can be very hot, e.g. the engine, the
radiator and parts of the exhaust system.
Allow the engine to cool down and only
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touch component parts described in the
following.
If you have to carry out any work in the engine
compartment, touch only the following compo‐
nents:
bonnet
R
engine oil filler opening cap
R
washer fluid reservoir cap
R
coolant expansion reservoir cap
R
& WARNING Danger of burns when open‐
ing the bonnet
If you open the engine bonnet when the
engine has overheated or during a fire in the
engine compartment, you could come into
contact with hot gases or other escaping
operating fluids.
Before opening the bonnet, allow the
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engine to cool down.
In the event of a fire in the engine com‐
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partment, keep the engine bonnet
closed and call the fire service.
& WARNING ‑ Risk of fire and injury due to
windscreen washer concentrate
Windscreen washer concentrate is highly
flammable. It could ignite if it comes into con‐
tact with hot engine component parts or the
exhaust system.
Make sure that no windscreen washer
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concentrate spills out next to the filler
opening.