Is there any truth then in the gripe that modern engines have "too many electronics" and the older engines were "more reliable because they were simpler" or are these just the rose tinted moans of a DIY mechanic in the family?
Certainly Mercs don't seem to last as well as they used to?
New engines are too small
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- Welly
- The moderator formally known as Welton
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Re: New engines are too small
I suppose modern engines are more likely to break down (or limp) simply because they have more electrical controls strapped to them but the core mechanicals such as pistons, rods, crank and valve train are much more solid nowadays.
One important thing to remember is that fuel-injection and better quality oils have all helped prolong the life of engines too.
One important thing to remember is that fuel-injection and better quality oils have all helped prolong the life of engines too.
Cars in my care:
2021 Kia Spottage 1.6 Pez Turbo Dual Clutch Gearbox Trickery
2013 Renner Twingo - donkey work
2021 Kia Spottage 1.6 Pez Turbo Dual Clutch Gearbox Trickery
2013 Renner Twingo - donkey work
- sirwiggum
- 3.0 24v
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Re: New engines are too small
I still prefer my old XUD engines to the HDi.
Re: New engines are too small
They're more likely to limp because they can detect failures that you wouldn't know about in older cars until you have a rocker cover shaped dent in your bonnetWelly wrote:I suppose modern engines are more likely to break down (or limp) simply because they have more electrical controls strapped to them

<steve_earwig> I think this forum is more about keeping our cars going with minimal outlay than giving our cars more reason to go bang
- Doggy
- Mod with a 2.2 HDi, De-Fapped!
- Posts: 10710
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Re: New engines are too small
Tend to agree with most of the observations about new engines being better, (despite running on the wrong fuel, being burgered up with cataclismic converters, and driving the wrong set of wheels), but I don't see the breakdown / recovery companies going out of business. Some of their trade is accident related, it's true, but somebody, somewhere is still breaking stuff.
(Can't just be willy, cos I don't think he's rogered the Volvo, (yet).
(Can't just be willy, cos I don't think he's rogered the Volvo, (yet).
2002 HDi 2.2 Exec Estate, (2008-12) (wonderful)
2003 HDi 2.2 6-speed Exec Estate (2012-19) (also a gem)
2009 Citroen C5 2.0 HDi VTR+ Estate (godawful heap)
2008 BMW E91 330i touring (great fun - murdered by a reversing SUV)
2007 BMW E91 325i touring (slower smoother quieter)
2003 HDi 2.2 6-speed Exec Estate (2012-19) (also a gem)
2009 Citroen C5 2.0 HDi VTR+ Estate (godawful heap)
2008 BMW E91 330i touring (great fun - murdered by a reversing SUV)
2007 BMW E91 325i touring (slower smoother quieter)
Re: New engines are too small
It's the muppets who call them out because they've got a flat tyre and no idea how to change it who keep 'em in businessdogslife wrote:I don't see the breakdown / recovery companies going out of business. Some of their trade is accident related, it's true, but somebody, somewhere is still breaking stuff.

<steve_earwig> I think this forum is more about keeping our cars going with minimal outlay than giving our cars more reason to go bang
- Bailes1992
- Moderator
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Re: New engines are too small
I may have phoned them to change my rear tyre a few weeks agomjb wrote:It's the muppets who call them out because they've got a flat tyre and no idea how to change it who keep 'em in businessdogslife wrote:I don't see the breakdown / recovery companies going out of business. Some of their trade is accident related, it's true, but somebody, somewhere is still breaking stuff.


2020 BMW 520d MSport Touring My Daily
2017 Dacia Logan MCV 1.5DCi Laureate Wifes
1996 Land Rover Defender 90 County SW 300TDi My Toy
2003 Ford Mondeo ST220 3.0 V6 My Other Toy
2017 Dacia Logan MCV 1.5DCi Laureate Wifes
1996 Land Rover Defender 90 County SW 300TDi My Toy
2003 Ford Mondeo ST220 3.0 V6 My Other Toy
Re: New engines are too small
W124 Mercs are amazing cars - They were engineered and manufactured as a car should - not to a price!
As for automatic gearboxes - they have "clutch packs" - which wear out (hence why they slip with age)
As for automatic gearboxes - they have "clutch packs" - which wear out (hence why they slip with age)

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- 2.0 HDI 110
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Re: New engines are too small
i drove a w124 for a few years, a cousin had drove it for 12 before me, and even with 240,000 miles on the clock, it still felt like new, the doors all closed with a thud, the engine was quieter than some petrols, and it was good to watch the rear suspension lift up the back when there was a trailer, great car, one of the better mercs