Topping up AdBlue®
NOTE Engine damage due to AdBlue® being in the fuel
AdBlue® must not be used to fill the fuel tank.
Only use AdBlue® to fill the AdBlue® tank.
Do not overfill the AdBlue® tank.
NOTE Contamination of the vehicle interior due to AdBlue® leakage
After topping up, carefully close the AdBlue® refill container.
Avoid carrying AdBlue® refill containers permanently in the vehicle.
Requirements:
Vehicles with passenger vehicle approval: the following messages that appear in succession in the instrument cluster display indicate that you need to top up the AdBlue® tank:
Top up AdBlue See Owner's Manual
The AdBlue® tank has dropped to the reserve level.
Top up AdBlue Emergency operation in XXX km
You will only be able to drive the vehicle the distance shown. Top up AdBlue® as quickly as possible.
Top up AdBlue Emergency oper.: 12 mph No start in XXX miles
The vehicle speed is limited to approximately 20 km/h. You will only be able to drive the vehicle the distance shown. Subsequently, it will no longer be possible to start the vehicle.
Refill AdBlue Engine start not possible
The vehicle can no longer be started.
Vehicles with commercial vehicle approval: the following messages that appear in succession in the instrument cluster display indicate that you need to top up the AdBlue® tank:
Top up AdBlue See Owner's Manual
The AdBlue® tank has dropped to the reserve level.
Top up AdBlue Perf. reduced
Top up AdBlue Emergency operation after engine restart: max. 12 mph
The vehicle cannot be driven at a speed exceeding 20 km/h after the vehicle has been restarted.
Top up AdBlue Emergency operation: max. 12 mph
The vehicle cannot be driven at a speed exceeding 20 km/h.
Top-up quantity: With a prompt in the display | at least 8 l |
Without a prompt in the display | at least 2 l |
You can also have the AdBlue® level displayed More.
Opening the AdBlue® filler cap on filler caps that are not lockable
Turn AdBlue® filler cap
anti-clockwise and remove it.
Opening the AdBlue® filler cap on lockable filler caps
Take tool
for unlocking AdBlue® filler cap
from the vehicle tool kit.
Pull cover
on AdBlue® filler cap
up, turn 90° and release it.
Insert tool
in holes
of AdBlue® filler cap
.
Turn AdBlue® filler cap
anti-clockwise and remove it.
Preparing the AdBlue® refill canister
Unscrew the cap on AdBlue® refill canister
.
Screw disposable hose
onto the opening of AdBlue® refill canister
until hand-tight.
Topping up AdBlue®
Screw on hand-tight (variant 1) or insert (variant 2) disposable hose
into the filler neck of the vehicle.
Lift up and tip AdBlue® refill canister
.
The filling process stops when the AdBlue® tank is completely full.
AdBlue® refill canister can be removed when it has been only partially emptied.
Unscrew disposable hose
and close AdBlue® and refill canister
in reverse order.
Switch on the vehicle for at least 60 seconds.
Avoid storing AdBlue® containers permanently in the vehicle.
AdBlue® refill bottle
Only screw the AdBlue® refill bottle hand-tight onto the filler opening in the engine compartment. It may otherwise be damaged.
AdBlue® refill bottles can be obtained at many filling stations or at a qualified specialist workshop. Refill bottles without a threaded cap offer no overfill protection. AdBlue® may leak out as a result of overfilling. Mercedes-Benz offers special refill bottles with a threaded cap. You can obtain this from a Mercedes-Benz Service Centre.
Unscrew the protective cap from AdBlue® refill bottle
.
Place AdBlue® refill bottle
as shown on filler opening
and screw it on clockwise until hand-tight.
Press AdBlue® refill bottle
towards filler opening
.
The AdBlue® tank is filled. This could take up to one minute.
When the AdBlue® refill bottle is no longer pressed down, filling stops. The bottle can be removed when it has been only partially emptied.
Let go of AdBlue® refill bottle
.
Turn AdBlue® refill bottle
anti-clockwise and remove it.
Screw the protective cap onto AdBlue® refill bottle
again.
Filling procedure with the pump nozzle of an AdBlue® filling pump
Insert the pump nozzle into the filler neck and top up with AdBlue®. When doing so, do not overfill the AdBlue® tank. You can also use an AdBlue® filling pump for lorries.
Closing the AdBlue® filler cap on filler caps that are not lockable
After filling the AdBlue® tank, place AdBlue® filler cap
on the filler neck and tighten it clockwise.
Turn the AdBlue® filler cap until the lettering is legible and horizontal.
The filler neck is only locked correctly when this is the case.
Closing the AdBlue® filler cap on lockable filler caps
After filling the AdBlue® tank, place AdBlue® filler cap
on the filler neck and tighten it clockwise.
Remove tool
from AdBlue® filler cap
and store it in the vehicle tool kit.
Pull cover
on AdBlue® filler cap
up over holes
of AdBlue® filler cap
, turn and release.
Turn AdBlue® filler cap
.
If AdBlue® filler cap turns freely, the AdBlue® tank is closed.