DYNO Test and RENNtech Shop Tour! Mercedes Benz CLS 550 M278 ECU Tune (W218 C218) 

Yup! The whole shooting match! Glad you like the videos. :)

Thanks! I was wondering if I should leave the laptop data shot in there. It appears I am not alone in geeking on the details.

I honestly was a little “star-struck” myself.

Thank you! I agree. 4 cyl Hybri C63?? Nope!

What did you replace it with?

Custom Eurocharged tune but I have other upgrades including turbos, downpipes, cold air intake, etc.

All cylinder walls ok? Many people have scorings on m278…

I've had no reason to have my cylinders scoped (eg: pining, loss of compression) so I haven't had that procedure done. @@fb8207

@@clevelandaeromotive knowing many people who drive a 278 and have not issues. But after scoping the cylinders there a lot of scorings. A few with 80-130tkm on it with normal driving and the good 102 aral ultimate from germany… others drive 300tkm and have no scorings…

Thank you for watching!

I enjoyed making the video for you guys since I was utterly amazed at the historic vehicles they have there. Glad you liked it.

i wish everbody would ask if they could go and do a quick video at the shop thats working on their cars @@clevelandaeromotive

RW Carbon www.rwcarbon.com/mercedes-w218-cls550-carbon-fiber-lip.html

Yup. That’s my video from a month ago. The one with the “Zero to 60 Time” thumbnail.

www.rwcarbon.com/mercedes-w218-cls550-carbon-fiber-lip.html

With the RENNtech ECU tune, at the Bradenton Raceway, I floored it off the line all four times. Although admittedly, I always roll on the power from a stand still in day-to-day traffic. So, in all reality, I really don't know. I think the stock ECU on a CLS 550 really cant harm the car's power train.

I've heard good things about Weistec as well. Enjoy!

A car with a tune will hold up as well as you treat it. Can you go out and blow your engine with a RENNtech ECU tune?? Just as easily as you can with a stock tune. If your out there treating your car like poop, constantly racing it, neglecting it, expect engine trouble. If you maintain and care for your car well, a RENNtech ECU tune will take no more miles off your car than a stock tune.

RW Carbon www.rwcarbon.com/mercedes-w218-cls550-carbon-fiber-lip.html

Considering the block walls are thick enough to be bored out to 5.5 litres for the AMG’s M157… a LOT more than any Mercedes Benz factory application places on the M278. It’s well known as an “over-built” engine. Anyone else?

@@patienceisalifesaver9582 2014