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| my 2.6 manual (ex-merc190uk); engine trouble help!!!! | |
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| Tweet Topic Started: Tue Mar 13, 2007 12:26 pm (1,142 Views) | |
| r19juc | Tue Mar 13, 2007 12:26 pm Post #1 |
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hi guys i got the engine checked out after suspected valve stemseals it so happens the rings are mullered too so any suggestions on what to do rebuild or find another engine???????
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| JensonGB | Tue Mar 13, 2007 1:04 pm Post #2 |
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I Will Find One That I Keep!
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Personally i'd rebuild, at least you will know that its all been sorted and will have confidence in it. If you brought another would you really know its history and you'd be miffed if it packed in 6 months down the line |
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| ThankYouLord | Tue Mar 13, 2007 1:57 pm Post #3 |
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More than part of things
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2 ways to look at this: 1 - rebuild is expensive but all done in one go and 100% reliable 2 - another motor is cheaper and just sling it in but 100% uncertain. Could be mint, could be as bad as the one you have - deal or no deal, there is no way of knowing. If you have the budget, rebuild. If you need help, i believe i don't live too far away from you, just ask. Phil. |
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| mr_s | Tue Mar 13, 2007 2:04 pm Post #4 |
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I'd get a 3.0 12v motor and put it in - seeing as it's a straight swap and all..... |
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| Pontoneer | Tue Mar 13, 2007 2:51 pm Post #5 |
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You could always buy my 300-24V M104 which will also fit straight in
This engine is a good 'un.I have all the electronic boxes to go with it and it's a low mileage engine which the previous owner of my estate car had fitted by M-B (the bill for £6200 is there to see !) . Before my car got smashed in my driveway it ran perfectly with ZERO oil consumption . I don't know for sure but reckon it has only done about 60K miles . There's also a FREE automatic gearbox still joined onto it . Since you already have a six cylinder car the engine will drop straight in without modification - then you'll have a 231 bhp 190 Yours for £500 , only you'd have to collect from sunny Ayrshire - something like a trailer or a transit van would be required to pick it up in . PM me if interested . EDIT - I see you're quite a new member , so you possibly don't know me - the following link will take you to my thread 'Death of my 300' which shows what happened one morning last August http://z14.invisionfree.com/mercedes_190_c...wtopic=2560&hl= Here are a couple more threads with further info on the car (and engine) http://z14.invisionfree.com/mercedes_190_c...owtopic=912&hl= http://z14.invisionfree.com/mercedes_190_c...wtopic=1470&hl= |
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| dave_irl | Tue Mar 13, 2007 2:54 pm Post #6 |
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Defector
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Gotta be the M104 swap mate!! |
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| julian | Tue Mar 13, 2007 4:37 pm Post #7 |
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If you're in Ayrshire, My removal company has a removal in that area possibly 1st week of april, and could collect for you, but depends on where the engine needs to end up. Can 2 men lift an engine And G/box ? If anyone needs larger car parts collected from anywhwer in the U.K, always worth giving me a shout. I cant guarantee we can do it, as part loads are undertaken if one of our trucks are in that particalar area. I would have to charge, as I have a business partner, but will do part loads/collections at lowest trade prices for any 190 members. |
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| mb190e | Tue Mar 13, 2007 5:36 pm Post #8 |
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Who checked the engine out? have they taken the head off? |
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| Pontoneer | Tue Mar 13, 2007 9:26 pm Post #9 |
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They'd have to be Arnold Schwarzenegger x2 - the M104 with the twin cam head is one heavy mother ****** It is strapped onto a pallet , so if they have a pallet truck and a tail lift on the van , then maybe . I can certainly separate the engine and gearbox to make it (slightly) more manageable . I have a couple of large trolley jacks and various axle stands , lengths of Unistrut etc. lying around - this is what I used to manipulate it out of the car with the front crossmember cut away . A van with a low level floor or a trailer with a drop tailgate should be feasable too - as long as it doesen't need to be lifted more than a couple of feet off the ground . Collection would have to be at the buyer's expense , so we'll see what the response is . As I said above , I have a copy of the service history showing the engine cost over 6 grand , so it has got to be worth £500 to someone . The engine is low mileage and in excellent condition ; the gearbox has done a high mileage and , although it was working fine in the car , I don't view it as worth much . I've had a PM tonight asking about the gearbox , if the original poster does not come back by Friday night , I'll let the 'box go for a nominal amount . |
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| julian | Tue Mar 13, 2007 9:36 pm Post #10 |
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Hi Pento The lorries have ramps, so could be wheeled up on it's pallet using rigid board on piano wheels. Can't be heavier than a full Grand Piano surely. Not my ideal sort of pick up though lol but can be done, No wucking forries :lol: :lol: muscleman.gif muscleman.gif |
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| r19juc | Wed Mar 14, 2007 12:42 am Post #11 |
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if i bought your engine what would i need to change on it to get the car going??? |
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| Cosmo2.5-16 | Wed Mar 14, 2007 1:18 am Post #12 |
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As was asked Was the head removed from the engine, or tell us whats being looked at, those heads are notorious for wearing valve guides which causes alot of oil comsumpsion (blue smoke)
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| stwat | Wed Mar 14, 2007 1:32 am Post #13 |
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Indeed and not known for bore/ring wear until ultra high milage. Stu |
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| pentoman | Wed Mar 14, 2007 10:30 am Post #14 |
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Ponto surely?!! As for Merc190UKs old car... I would personally replace the engine because you could put a 3.0 12v M103 engine in there. I believe they're barely any different except for bore/stroke so it's such an easy swap. You would however want the (injection) ECU to accompany it, because the 3.0 engine is bound to use different values for fuelling etc which are all stored in maps in the ECU. You might also want the ignition computer ECU-type thing as well, assuming that it too is different - because ignition timing values are probably slightly different between the 2 engines as well. That said, I bet 99% a 3.0 will run fine hooked up with the ECUs from a 2.6. But it won't be quite optimal, and could potentially damage the engine if it ran it too lean or something. Come to think of it I think the engine will run without even having an injection ECU plugged in so...... What else.... the bolt-up to the gearbox might be different? I'm sure someone here will know if that's the case. Power would go from 166bhp to 188bhp if it's a pre ~87 3.0 engine. It is rumoured after 1987 the 3.0 engine dropped in power to 177bhp due to using different cams. I've never verified this though. But you'll surely notice an extra 0.4L and the extra power and torque no matter which you get. For a more adventurous swap go with Pontoneer's 300-24v. Although the engine code is different (M104 rather than M103 for the older 2.6 and 3.0), it's not a totally different engine as you might imagine. It's really just an M103 with a four-valve head on it. I think it runs KE jetronic just like the M103 does it pontoneer?? So it still should be a reasonably straightforward swap, it bolts into the same engine mount points etc. But again I don't know myself what little differences there might be. To be honest, Mercedes purists say the M103 is their favourite engine and the M104 revision kind of ruined it, and also the 24v will be even heavier than the 12v. But it does have 220bhp with a 7,000 redline, so it's kind of hard to ignore that..... :D. Also the advantage of buying pontoneers engine is you know it's come from a good car with verified mileage and good history. He also may still have all the computers etc? Whereas finding a good 3.0 engine will be a total gamble and might end up being more work than installing a 300-24v if it goes badly. I like how 50% of the threads on the forum at the moment are about engine swaps! dazzle.gif |
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| r19juc | Wed Mar 14, 2007 10:34 am Post #15 |
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head is off and there is play in the pistons side to side!!!!!!!!!!! the plugs have oily substance around them also!!!!!!!! :unsure: |
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| r19juc | Wed Mar 14, 2007 10:41 am Post #16 |
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does anyone know the history behind merc190uk's second engine that he bought off this site from someone???????? dunno.gif |
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| cossie connoisseur | Wed Mar 14, 2007 11:24 am Post #17 |
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there can be only one ;-)
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Sideways motion on the pistons, now that is a fecked engine and a half that
change the whole thing, makes things easy- if you have the right equipment that is
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| Pontoneer | Wed Mar 14, 2007 11:25 am Post #18 |
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Here's the bulk of the PM I just sent - it covers a lot of the questions as above ""Hi - the M104 is basically the same engine as your M103 . As you will know the M103 came as both a 2.6 and a 3.0 with the same block , presumably either bored or stroked to get the different displacements . The M104 is just a 3.0 litre M103 fitted with a twin cam head . Things like exhaust ports , gearbox fittings etc are exactly the same so it will all bolt up easily . [EDIT - I removed the downpipes carefully when taking the engine out so the undamaged exhaust manifolds are still on my engine . ] The ignition and injection systems on the 3.0 (both M103 and M104 versions) are just the same as on your 2.6 - the only difference may be in the mapping of the ECU's , but I kept all the electronic boxes from my car so it will just be a matter of swapping over , the wiring looms are the same . Don't be confused by people talking about the later 2.8 L and 3.2 L versions of the M104 , as fitted to 280 and 320 models - these are entirely different with a totally different ignition and injection system . I haven't done the swap myself , although I did have a 12V 300TE before the 24V one and I know that the layout under the bonnet was identical , save for the twin cam head . There are definitely others on the forum who have done this conversion who could confirm this . Try posting a question on the forum and see what response you get . You can also speak to Paul or Stefano Mazzoni of Merparts (Mercedes & especially performance 190 specialists in Port Glasgow , Tel 01475 741236) as it was them who put me off putting the engine into my Fintail but assured me it was a very straightforward conversion into a 190 , although four cylinder 190s need some modification to the radiator mountings , it drops straight into a six cylinder one . If you definitely don't want the auto gearbox , I'll separate it as there was another PM last night asking about it . The gearbox has done a very high mileage anyway , so although it works I wouldn't put much value on it ."" I should have added that I kept the brake calipers from the 24V as well - they're apparently the same as fitted to some of the fast 190's and may be worth fitting depending on what brakes a standard 2.6 would've come with ? Anyone here know ? I understand the twin cam head does add some weight over the single cam but I don't know how much or how significant this would be . Again , as far as I know , the whole thing is a pretty straightforward bolt - up conversion . My engine should need nothing done to it to get it up and running - it comes with all the electronic boxes from the car and still has the auxiliary oil cooler attached on its hoses . I know there was a thread over on ' The 190 room' about what engine does your 190 have and a couple of guys at least have M104's so they'd be the ones to ask about how difficult . |
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| mr_s | Wed Mar 14, 2007 2:08 pm Post #19 |
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The old engine was mine - ran ok in the car, but burnt a bit of oil. Had 125k miles on it (give or take) and was always treated well in my ownership (3k oil changes and warmed up properly). Only reason I removed it was to fit the V8 If you've got any more questions, just drop me a p/m and ask! Cheers, Martin |
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This engine is a good 'un.





2:01 AM Jul 11