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Mercedes going back to straight-six engines.

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Garfield 2
  • Garfield 2

    BMW Maniac

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Posted 10 November 2013 - 07:56 PM



Internally half the number of moving parts, half the number of cylinder heads, manifolds and corresponding sensors and wiring, belts pullies, pumps etc.

Simpler engineering, enhanced reliability, power delivery etc. etc


I think it's great news


    The Vice City Coke Baron

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Posted 13 November 2013 - 10:52 PM

Cars that have been Str8 6's often always last longer on power and reliability. That's what I Noticed???


Great news for car guys.

  • jelly

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Posted 15 November 2013 - 12:13 AM



Now they just need to make the A-class drive as sweet as it looks, by giving it a real (RWD) drive train. That would be something.

  • Lurch

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Posted 23 November 2013 - 09:20 PM Edited by Lurch, 23 November 2013 - 09:22 PM.

I've always been a straight 6 fan. I think quite a few of the greatest engines of all time have been of that design. M20, M30, S38, M5x/S5x, RB2x, 1JZ/2JZ, etc. 

The only downside is they're inherently heavy compared to a V6. A lot of times, they're heavier than a comparable V8 for that matter. 


Still, if they last 300k+ and have that awesome torque curve, it's a tradeoff I'd be willing to make. 

  • caddymanlnl

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Posted 21 December 2013 - 03:48 AM

i had a 99 grand cherokee with a straight 6 in it, that thing was unstoppable


traded that in on a 00 grand cherokee v8, more power, but dropped the tranny at 36k, lots of other problem too. i think it was a dud


i love me some benz's though. 


we are in the process of replacing my wifes 06 honda pilot with 200k miles on it. my dad is my partner in crime with the cars, we always get in trouble lol


we spotted this the other day, i snapped this pic to send to her. shes spoiled and needs something bigger. we have 2 kids with lots of friends and need lots of seats apparently. made me sad, such a nice car.



  • !!GC!!

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Posted 22 December 2013 - 12:19 AM

That is good news. I hope other manufacturers follow as well.

I've had three Nissan inline 6's (RB20DET, RB25DE and RB26DETT) and never had one engine issue with any of them.

Also have one 96 Jeep Grand Cherokee with a inline 6, just clocked 212000 and had one cracked exhaust manifold 4 years ago when i got it, and just recently, leaking intake manifold causing rough idle because the nuts had come loose towards the rear 3 cylinders. Slammed on nyloc nuts and it has been great!

  • Zyo

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Posted 03 January 2014 - 10:02 AM

Agreed, this is great news. I love the old Mercedes straight sixes. They have been pretty famous in reputation in the pre 90s cars, you just have to google it to see the list of superlatives that are used to describe them. My w124 300 coupe has the M103 3 litre in it and it still pulls like a train after almost 25 years. Sounds fantastic too, almost a banshee-like wail from the front end. I'm a big fan.

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