Dpf

[Gazwould]

MB 229.51 and 229.52 are the official specs , but I use VW 507.00 because it has a higher performance profile inc anti wear and DPF .

Best built oil filters I've used are Bosch and Hengst .

 

[Neil Davies]

MB 229.51 and 229.52 are the official specs , but I use VW 507.00 because it has a higher performance profile inc anti wear and DPF .

Best built oil filters I've used are Bosch and Hengst .

Thank u

 

[M80]

229.51 is the MB spec for a DPF CDI.
ECP filters will be ok, staying with a recognised brand is good, many have their favourites.

TBH most of my kit will be delivered from eBay suppliers. MB Newcastle, and other main MB dealers, are on eBay and more likely to supply MB used kit at attractive prices, oil also.

Consider a Pela pump (or the cheap electric one from Lidl seems popular) for oil extraction, not only does it save you crawling around beneath but the 651 sump is known to be made of chocolate and will break up like an Easter egg when removing the sump plug.

 

[Neil Davies]

Ok I’m thinking of changing the sensors ,Are there 2 to change , is one called the differential pressure sensor ? Which needs the air box n Ecu removed to get at ? This one in pic

which is the other one and location plz guys

 

[Gazwould]

You need the latest Mercedes part number as these were revised / superceded several times .

 

[Neil Davies]

You need the latest Mercedes part number as these were revised / superceded several times .

Ok, was just a quick search on eBay for the pic

 

[Neil Davies]

Are the other sensors called an exhaust back pressure sensor and a dpf temperature sensor , wud I need to change these as well , also Wher are they located

 

[M80]

The differential pressure sensor is a known regular problem.
It is fed from 2 outlets on the DPF. 1 pre filter, 1 post filter.
Follow the small hoses to the sensor itself mounted approx 150 - 200mm from the heat.

As you've seen eBay search will show you what it looks like. If memory serves about £45.
In truth though the changing of sensors is better after being diagnosed 1st,and as said sometimes live monitoring will expose where static testing 'might' miss it.

 

[Neil Davies]

The differential pressure sensor is a known regular problem.
It is fed from 2 outlets on the DPF. 1 pre filter, 1 post filter.
Follow the small hoses to the sensor itself mounted approx 150 - 200mm from the heat.

As you've seen eBay search will show you what it looks like. If memory serves about £45.
In truth though the changing of sensors is better after being diagnosed 1st,and as said sometimes live monitoring will expose where static testing 'might' miss it.

Thx

 

[Kev555]

If your car has a cat before the DPF Neil there will be a temp sensor in it but the one on the cat is usually the more troublesome one. As M80 said the pressure sensor is known for issues and usually main culprit if DPF stops regenerating

 

[Neil Davies]

If your car has a cat before the DPF Neil there will be a temp sensor in it but the one on the cat is usually the more troublesome one. As M80 said the pressure sensor is known for issues and usually main culprit if DPF stops regenerating

Duno if I got a cat on it , it’s an e220 2012 conv , om651 engine I think

 

[Kev555]

Mines a van OM651 and it has a cat, looked online and seems E220 has very small cat and a DPF with only 4" of pipe separating the two with temp sensor in the pipe between the two and one in the cat too if yours is the same?

 

[Gazwould]

I've C Class OM651 , it's cat first then dpf .

 

[Kev555]

I've C Class OM651 , it's cat first then dpf .

Have you temp sensors in cat and DPF as well Gaz?

 

[Gazwould]

Can't remember I'm affaid .

 

[Kev555]

Thats ok Gaz, just wanted to confirm for Neil that there is two sensors on exhaust.

 

[Neil Davies]

Mines a van OM651 and it has a cat, looked online and seems E220 has very small cat and a DPF with only 4" of pipe separating the two with temp sensor in the pipe between the two and one in the cat too if yours is the same?

Ain’t got a clue sorry , il try n find out

 

[Neil Davies]

Goin to get a icarsoft tool , shud I get the mb v2 Or the new Icarsoft cr pro 2020 which does all manufacturers , u think they both do all the same functions looking at the specs on them

 

[Jim2]

Goin to get a icarsoft tool , shud I get the mb v2 Or the new Icarsoft cr pro 2020 which does all manufacturers , u think they both do all the same functions looking at the specs on them

I have both of them, the iCarsoft mb11 and the cro pro, The CO pro is a much better one,imo.Better range of functions across other makes, and while I have not done a regen with it yet ( touch wood) it can perform that as well.

 

[Kev555]

The CR pro is probably the more future proof Neil even more if you decide to drift to other makes of cars