Difference between 108cdi 110cdi 112cdi - Mercedes-Benz Forum
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#1 (permalink) Old 04-02-2010, 03:25 PM
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Difference between 108cdi 110cdi 112cdi

Hi all.Sorry if i post this ask again , but i have search , and i don't find an complet answer.What differences are between Vito W638 108CDI, 110 CDI , 112 CDI?
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#2 (permalink) Old 04-03-2010, 01:23 AM
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It's the power output of the engine.

They all use the same engine, but by using intercoolers, larger turbos and different ECU's they produce progressivley more power, from 82 to 120 bhp
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#3 (permalink) Old 10-06-2010, 01:34 PM
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I recommend you view this post
http://www.benzworld.org/forums/v-cl...fferences.html

Sorry hodgy, looks like the 108, 110 and 112 cdi's are identical in respect of all the parts that matter. The power difference has to come from the ecu programming alone. This means mercedes, for these models at least, ran out a line of identical vans for efficiency savings and simply changed the ecu map according to the model.

Surely this means by extension that an ecu remap for 112 circa 148bhp should work just as well on the other models. Unless of course anybody can find a part that matters that is different between the three, bearing in mind that intercooler, turbo, camshaft, injector pump, injectors are all same part no?
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#4 (permalink) Old 10-06-2010, 02:54 PM
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Actually, on face value they do appear to be identical but, there are some differences in the different part numbers and things being coded to that particular ECU.

For example, I put a 112 ECU on a 108 and it wouldn't start at first. After a while it did run but was very smokey and cut out at higher RPM.
So in essence they are the same, but everything needs to be set up properly (via Star?). Which is probably why the 112's go for more dosh.

Mark is the man for this. And infact, it's been a good few months now I have had his map on my 110 and still going like a bat out of hell!

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#5 (permalink) Old 10-09-2010, 02:12 AM
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Quote:
Originally Posted by whitevitoman View Post

Sorry hodgy, looks like the 108, 110 and 112 cdi's are identical in respect of all the parts that matter. The power difference has to come from the ecu programming alone. This means mercedes, for these models at least, ran out a line of identical vans for efficiency savings and simply changed the ecu map according to the model.

Surely this means by extension that an ecu remap for 112 circa 148bhp should work just as well on the other models. Unless of course anybody can find a part that matters that is different between the three, bearing in mind that intercooler, turbo, camshaft, injector pump, injectors are all same part no?
There's no intercooler on my 108cdi, or at least not a radiator like on the 112's, but perhaps that's an age thing then rather than a model difference
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#6 (permalink) Old 12-12-2012, 01:07 PM
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there is no difference between engines in the later 108cdi's and the 112's as ive found out for my self . i bought an ecu with a key and key code box (wsp) and fitted it to my van, i cable tied the new key to the aerial ring from around the ignition barrel then fitted the 112 map sensor and hey presto my van now has 120bhp. before my van was 79 bhp on the dyno and it now 118.9 bhp on the dyno. so i think the only people who say otherwise are the people trying to sell you the RIGHT ecu or the ones trying to sell you a remap or even a box that ups the fuel delivery. no offence to any one who does that as everyone has got to make a living but i thought sites like this were here to help. if you are going to do an ecu swap make sure you get an ecu that egr if yours has it. rant over thanks
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#7 (permalink) Old 12-12-2012, 04:51 PM
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there ARE differences but not in the basic engines... they can ALL be successfully upgraded.

108 and 110 do not have intercooling radiators as standard (they may have been fitted as options).. the 112 has one as standard.

108 has a smaller alternator, 112 has the bigger one, 110 can have either.

the turbo has the same basic part number but all 3 are slightly different and subcoded mc1, 2, 3.... normally only type 3 is available as an mb spare (to keep stock levels lower)... they have slightly heavier and re-profiled turbines as the power increases.
-----------

not having the intercooler radiator will cause overheating if upgraded to 112 or greater

the turbines often break up if ecu is upgraded to 112 or greater

IF driven sensibly and not "gunned" or "boy racered" it is likely no problems will ever be encountered, even if going from 108 to 112 or greater

malcolm

---- I have no axe to grind, am NOT in the trade, do NOT supply parts and hate the mechanics who know sod all and try to tell you you can't....... I collect info fro mb and forums and pass it on... NOTHING ELSE...... but if you want to rebuild a gearbox or axle in the sahara... been there, done that.
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#8 (permalink) Old 12-18-2013, 11:33 PM
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Hi guys can anyone tell me what the difference between the 112cdi and 115cdi are ?
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#9 (permalink) Old 12-19-2013, 01:15 AM
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Completely different vans, the 115 is a 639 vito
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#10 (permalink) Old 12-21-2013, 03:04 AM
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Mostly down to the mapping

I've just got hold of an AMG map for the 220 CDI, and I have the gear and software to reflash the ECU

From the stock V220 CDI (300 Nm and 122 bhp) it will give 172 bhp and 397 Nm

Will be trying it out once I've done a few other jobs on the car

Cheers Dave
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