Mercedes-Benz Trucks – Euro VI Diesel Particulate Filter ... - Kel-Berg

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Mercedes-Benz Trucks – Euro VI Diesel Particulate Filter (DPF) All Mercedes-Benz Euro VI trucks have a Diesel Particulate Filter (DPF). This filter collects particulates generated by the engine in normal driving to prevent their escape to the atmosphere. Regeneration is the process used to remove the collected particulates from the filter, and involves increasing the temperature in the filter to oxidise the particulates. Regeneration can take place in three ways:

To prevent active regeneration or stop manual regeneration:

• Passive regeneration – When the temperature in the exhaust is high enough to oxidise the collected particulates without intervention. This process occurs without driver intervention and does not show any messages on the instrument cluster. • Active regeneration – When the level of particulates is high enough and the vehicle operating conditions allow, the vehicle will increase the exhaust temperature and start the regeneration process. This happens automatically without driver intervention and is normal. The driver is informed of this process with a green symbol on the instrument cluster 4

1

• Press the lower section of the regeneration button 3 . The indicator light 2 will light up to confirm this has been done. To start manual regeneration:

2

OFF OFF

3

4

• Stop the vehicle, paying attention to road and traffic conditions, and keep the engine running. • Maintain a distance of at least 1 metre to other vehicles, OFF objects and all flammable materials • Apply the parking OFF brake and select neutral, making sure the accelerator pedal is not pressed and that any power take-off is not engaged • Press the upper section of the regeneration button 1 for approximately 3 seconds • The green symbol 4 lights up on the instrument cluster and the engine speed is increased

• Manual regeneration – Stationary regeneration is possible if operating conditions do not allow the above processes to deal adequately with the collected particulates. This is only possible when the vehicle prompts you to do so via the instrument cluster and lasts between 30 and 60 minutes, during which time the vehicle cannot be driven.

• Note that manual regeneration will only begin if certain conditions are met. • During regeneration, the engine note may change • Regeneration will be interrupted if you release the parking brake, select a gear or press the regeneration block button 3 Start • When manual regeneration is finished the engine returns regeneration to idling speed, and the green symbol 4 goes out High engine High particulate filter fill level

Start regeneration

High particulate filter fill level Start regeneration

idle speed activated High engine idle speed activated

Ignoring the yellow message windows and their instructions may cause a reduction in engine torque and require the replacement of the Diesel Particulate Filter! Start Start regeneration regeneration Start Start Start Start regeneration regeneration regeneration regeneration

High High particulate particulate filter filter fill fill level level High particulate High particulate High High particulate particulate filter fill level filter fill level filter filter fillfill level level

Particulate Particulate filter filter fullfull Particulate Particulate Particulate Particulate filter filter fullfull filter filter fullfull

Start Start regeneration regeneration Start Start Immediately Immediately Start Start regeneration regeneration regeneration regeneration Immediately Immediately Immediately Immediately

FLASHING FLASHING

Reduced Reduced power power Reduced power Reduced power Reduced Reduced power power

Service Service required required Service required Service required Service Service required required

Hi id Hi a Hi id id a a

OFF

OFF FLASHING

HC BURNOFF

Dashboard message(s)

High particulate filter fill level

What action is required? Hydrocarbon burnoff is taking place – No special action required

Start regeneration

+

OFF

Exhaust temperature is no higher than normal. Drive the vehicle as normal. NOTE: • Stopping the engine will not cause any harm • The process will continue until complete OFF OFF• This could take up to 20 minutes OFF OFF OFF FLASHING

High engine idle speed activated

OFF OFF OFF OFF

OFF

OFF

Active regeneration is taking place – No special action required

ZONE 1

Start regeneration Immediately Start regeneration

Particulate filter full

OFF

OFF

ZONE 2

Reduced power

High particulate filterOFF fill level

OFF OFF

Service required

Start regeneration Immediately

Particulate filter full

Start regeneration

High particulate filter fill level

+

OFF

High High particulate particulate High filter filter fillparticulate level fill level High particulate filter fill level filter fill level

OFF

High engine idle speed activated

The active regeneration is in process and attention must be given to higher exhaust temperatures. Drive the vehicle as normal. NOTE: • Stopping the engine will not cause any harm OFF• The process can be blocked by pressing the lower section of the regeneration button • The DPF will not regenerate when the red LED is lit • EngineFLASHING note may change FLASHING FLASHING FLASHING FLASHING FLASHING • Engine idle speed may increase on certain engines

Start Start Start regeneration regeneration Start High engine regeneration regeneration idle speed activated High particulate filter fill level

ZONE 3

FLASHING

ZONE 4

High particulate filter fill level

OFF

ZONE 5

Particulate Highfilter particulate full filter fill level

High engine idle speed Reduced power activated Particulate filter full

Reduced power

Start Particulate regeneration filter full

+

High particulate filter fill level

Start Reduced Start power regeneration

+

regeneration Immediately Particulate filter full

FLASHING

Start Service required regeneration Immediately Start regeneration Particulate Particulate High particulate Particulate filter filter full full Particulate High engine filter fillfull level filter filter full idle speed activated

Start regeneration Service required Immediately Reduced Reduced power power Particulate Reduced power Reduced power full Highfilter engine idle speed activated

Start Start Start regeneration regeneration Start regeneration Immediately Immediately regeneration Immediately Immediately High engine Particulate idle speed filteractivated full

FLASHING Start regeneration Immediately Service Service required required Reduced power Service required Service required

Action required in the next 4-5 hours: Startnext 4-5 hours, either: In the regeneration High High engine engine Highaengine High engine idle idle speed speed engine • High Take the vehicle on journey that involves driving on A road/motorway at speeds >50 km/h. idle speed idle speed activated activated idle speed activated FLASHING activated ORactivated FLASHING • Carry out a manual regeneration

Action required in the next 30 minutes: Start

Inregeneration the next 30 minutes, either: High engine Immediately idle speed • Take the vehicle on a journey that involves driving on A road/motorway at speeds >50 km/h. activated OR • Carry out a manual regeneration

Action required as soon as possible:

+

Reduced power Service required

Service required

FLASHING

Service required

Start regeneration High particulate filter fill level

The power output of the engine is reduced. You MUST: • Carry out a manual regeneration, as soon as possible

Service required

Action required as soon as possible: Start regeneration Immediately Reduced power

OFF

Start regeneration Immediately Particulate filter full

The power output of the engine is reduced. You MUST: • Visit a Mercedes-Benz workshop, as soon as possible. The DPF is full and cannot be cleaned. The DPF requires replacement. Reduced power

CV1249 September 2014. Issued by Mercedes-Benz Truck Marketing. Information correct at time of going to press.

Service required