Advice On Mercedes Engines

Discussion in 'Motorhome Chat' started by Sharon Ebbs, Jul 3, 2015.

  1. Sharon Ebbs

    Sharon Ebbs

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    We have a Hymer that need a new engine, the original engine is a MO602 we have found a doner engine which is a MO662 slightly newer does anyone know if this will be ok? Thanks in advance
     
  2. gus-lopez

    gus-lopez Funster

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    The OM 662 is the ssangyong korando version, 2,9l built under licence.Should fit. might have to swop sumps & things though. Can't you track down an early sprinter engine as they are the same as your original OM602 ?

    Here's a bit of wiki info . might help

    https://en.wikipedia.org/wiki/Mercedes-Benz_OM602_engine
     
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  3. JeanLuc

    JeanLuc Funster

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    It might be a more expensive option than the one you have found, but in your position, I would have a chat with Crewe Engines first.
    http://www.creweengines.co.uk/
     
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  4. funflair

    funflair Funster Life Member

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    We are parked next but one to a guy with an elderly Hymer, he was telling me yesterday that is replacement engine was from a Ssanyong, it is the 2.9 non turbo.

    I will talk to him tomorrow and report anything worthwhile.

    Martin
     
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  5. Snowbird

    Snowbird Funster Life Member

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    I am intrigued to know how you managed to destroy the indestructible.
     
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  6. gus-lopez

    gus-lopez Funster

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    From a post elsewhere I think it might have been sold/bought with a dodgy engine.
     
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  7. Sharon Ebbs

    Sharon Ebbs

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    We bought her on Monday and traveled 2.5 hrs & 55/60mph then there was a tapping noise and big cloud of white smoke and she stopped!
    We knew we would need to change the engine at some point as it has done 365k km but expected to get home first!
     
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  8. wizzer59

    wizzer59 Funster

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    Bloody hell, not a dealer sale then?
     
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  9. Sharon Ebbs

    Sharon Ebbs

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    No not a dealer but a nice man who is helping us get her fixed
     
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  10. JeanLuc

    JeanLuc Funster

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    Thought for the future once you have it fixed.
    That engine is known to be capable of 500,000 km or more and is one of the most 'bullet-proof' that Mercedes have ever made. With a new / recon engine and regular servicing and oil changes etc., the Hymer should be good for another twenty years or so !! (y)
     
  11. Sharon Ebbs

    Sharon Ebbs

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    We service our vehicles regularly. but we have found out that the guy we got MH from doesn't and hasn't had timing chain changed or checked since 2002 and has since travelled quite far in her! how ever once the engine is sorted she will be great (y)
     
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  12. JeanLuc

    JeanLuc Funster

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    I have just looked at your details, and it says you have a B694, but that is a Fiat-based Hymer. Your avatar picture shows a Merc-based one (as per this thread). Since you list yourself as a 'newbie', I wondered whether the seller had given you the wrong model designation. Yours looks like an S550 series or possibly S660 series.
     
  13. Sharon Ebbs

    Sharon Ebbs

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    I have a Hymer s700
     
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  14. funflair

    funflair Funster Life Member

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    Hi

    Just an update as promised after speaking to the guy on the same field as us.

    He said that its the block and head that are transferable, everything else like sump , timing chain cover and rocker top need to come off your engine.

    Have fun.

    Martin
     
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  15. Sharon Ebbs

    Sharon Ebbs

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    Thank you
     
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