ACURA Sport Car | Mercedes-Benz TecDay Engines

Earlier this yr Mercedes-Benz kicked off their strategic ‘engine offensive’ amongst the debut of their all-new four-cylinder diesel fuel inward the 2017 Mercedes-Benz E-Class. The 194 hp unit of measurement was introduced foremost inward the E 220 d, spell the entry flat diesel fuel unit of measurement delivering 150 hp was introduced inward the E 200 d at a later stage.



Little did nosotros know that this marked only the start of a pretty sizable turnaround inward the High German brand’s engine assortment. This calendar week Mercedes-Benz revealed 4 to a greater extent than all-new powerfulness plants joining the 2.0-liter four-cylinder diesel fuel inward 1 of the brand’s largest engine transitions ever. Influenza A virus subtype H5N1 novel four-cylinder petrol has been developed, in addition to an inline six-cylinder petrol, inline six-cylinder diesel fuel in addition to 4.0-liter V8 biturbo amongst hot within V are ready to create their debut inward the upcoming S-Class facelift (2018).
We got an exclusive preview in addition to technical insights this calendar week at the latterly inaugurated state-of-the-art engine testing middle inward Sindelfingen, close Stuttgart inward Germany.

Brand novel facility, 1 of the most technologically advanced inward today’s automotive industry


The create novel Power Integration Center (AIZ) toll €600 meg in addition to has a story of its ain to it. Opened over the summertime of this year, it features 10 create novel state-of-the-art testing benches that opened upwards up an array of novel testing possibilities for the upcoming generation of Mercedes-Benz cars. It joins Mercedes-Benz’ R&D facility in addition to client middle of excellence inward Sindelfingen nearby motoring upper-case alphabetic lineament Stuttgart.

Highlights of the novel testing rigs include a high-precision torque administration organisation in addition to a climatic height bedroom that uses partial vacuum to simulate an height of upwards to 5,000 meters at temperatures equally depression equally -30 degrees celsius. Safety in addition to sustainability played a telephone substitution role inward the construction of the novel testing center, merely equally Mercedes-Benz is inward the ongoing physical care for of farther engine create clean up. Influenza A virus subtype H5N1 comprehensive release energy recovery organisation recovers 98% of the braking release energy produced on attempt rigs in addition to feeds it correct dorsum into the building’s circuit.
This way that the AC units inward the edifice run energy-neutral for ii thirds of the year. To larn a grasp of the scale of operations, x testing rigs running simultaneously tin give the sack provide upwards to 7500 households amongst electricity. It’s evident that these novel testing rigs hit the capabilities of what used to live the touchstone inward automotive testing. Its simulator doesn’t merely know all the world’s racing circuits past times heart, but it tin give the sack copy all kinds of conditions conditions, from snowfall to extreme rainfall or real warm sunny days.
One of the managers on site told me that although the testing rigs tin give the sack handgrip cruising speeds of upwards to 180 km/h, the testing speeds rarely hit 120. There is a high speed airstream blower which blows air current speeds of upwards to 180 km/h to cool downward specific components of the vehicles to forestall overheating.
With the utilization of cameras in addition to the latest measure technologies the AIZ staff tin give the sack simulate almost whatsoever possible province of affairs on the road, minimizing the demand for actual testing on the road. However, MB personnel emphasized that despite all this technology, the bulk of tests are silent carried out on opened upwards in addition to closed roads.
Mercedes-Benz is far from finished amongst expansion of their inquiry in addition to evolution facilities inward Sindelfingen. Next upwards on the agenda is an expansion of the Mercedes-Benz Technology Center (MTC) due for opening inward 2018. That middle volition focus on vehicle safety, electronics in addition to volition characteristic an extensive reckoner center.

Tecday: New generation of combustion engines at Mercedes-Benz

While it’s been really a privilege to larn an within expression of Mercedes’ create novel AIZ, the master copy purpose of my see was to larn acquainted amongst the brand’s time to come engine line-up. You must live wondering why Mercedes-Benz would become through all the problem of reworking their combustion engines, peculiarly given that they introduced the novel generation EQ at this year’s Paris Motor Show.
That the automotive globe is tardily transforming to choice powertrains is an undeniable fact, but the speed of such a transition is non equally quick equally you’d expect. Prof. MD Thomas Weber, caput of Mercedes-Benz cars evolution for 12 years now, explains to us why.

When asked whether he thinks the era of internal combustion engines is finally over, a determined no is his answer: “The optimization of advanced high-tech engines plays a telephone substitution role inward our route map towards sustainable mobility. For the mobility of the future, nosotros are deliberately non committing ourselves to 1 lonely shape of campaign system, but to a coexistence of efficient in addition to create clean petrol engines, diesels, plug-in hybrids, battery in addition to hydrogen campaign systems. Each of these types of campaign organisation has its justification in addition to time to come prospects.”


Considering the brand’s immense production portfolio in addition to the broad spectrum of customers they serve, the selection of each powerfulness unit of measurement for each item model is shaped past times respective demand inward dissimilar markets. Weber emphasizes the fact that smashing successes amongst the advancement of the internal combustion engine has been achieved hence far. Mercedes-Benz managed to cutting the NEDC fuel consumption of their vehicle fleet past times one-half over the class of the past times xx years.
Following up, Weber was asked why inline sixes are at 1 time making a comeback at Mercedes-Benz spell other manufacturers run into them equally obsolescent. His respond is brusque in addition to simple: “electrification is the telephone substitution factor. The absence of a belt campaign makes for a highly compact overall length, amongst the in-line configuration making infinite for of import ancillary components on either side of the engine.”
Mercedes-Benz doesn’t necessarily run into the reinstatement of inline-sixes equally downsizing, it was a good discussed topic rather than an destination to itself driven past times to a greater extent than pressing regulations, said Prof. Weber. “We prefer the discussion “rightsizing”, i.e. tailoring the engine to the needs of the customer. Instead of trimming the seat out of cylinders from the outset, thereby foregoing refinement in addition to output, at that spot are much to a greater extent than intelligent solutions.”

The novel V8 Biturbo gasoline engine (M 176)


Naturally it’s only correct for us at GTspirit to start off amongst the mighty V8 Biturbo engine. Pushing the onetime generation V8 Biturbo to retirement is the new, codenamed chiliad 176, 4.0-liter V8 Biturbo amongst ‘hot within V’. Now the twin-turbochargers are installed on the within of the cylinder banks speeding upwards engine response in addition to boosting lower exhaust emissions. The necessary precautions were taken however, amongst the manifolds in addition to exhaust turbochargers beingness extra good insulated inward the involvement of thermal protection for other engine components. An AMG version amongst CAMTRONIC cylinder deactivation volition debut on the E63 later this year, spell the AMG version of the M176 volition create its way to the upcoming S63.

Biggest modify past times far on the novel V8 biturbo is the cylinder deactivation module. As exemplified past times the Pb engineer on site, cylinders two, three, 5 in addition to 8 are automatically unopen off inward driving modes Eco in addition to Comfort from the DYNAMIC SELECT carte du jour at engine speeds betwixt 900 in addition to 3250 rpm. At the same fourth dimension fuel provide in addition to the ignition are deactivated, hence that no unburnt mixture is left inward the deactivated combustion chamber. The 4 cylinders are simultaneously unopen off through the CAMTRONIC valve timing system, saving a considerable amount of fuel spell reducing emissions significantly at the same time.
Last but non to the lowest degree is a theater powerfulness impulse for the novel touchstone V8 Biturbo. The outgoing engine produced 455 hp (335 kW) inward its touchstone condition, spell its successor has an increased output of 476 hp (350 kW) in addition to 700 Nm of torque available from 2,000 rpm.

The novel inline six-cylinder diesel fuel engine (OM 656)

Marketed equally Mercedes-Benz ‘long distance athlete’, the novel inline-six diesel fuel features a stepped-bowl combustion physical care for in addition to farther improved NANOSLIDE cylinder wall coating to cut friction past times forty to fifty percent.


Most of import is the engine’s performance surplus compared to the outgoing V6 (OM 642) engine. The novel inline-six diesel fuel produces 313 hp (230 kW), a steady increment over the previous 258 hp (190 kW). The transition of the six-cylinder diesel fuel goes hand-in-hand amongst fuel savings of over seven percent.
The stepped-bowl combustion physical care for has been favored over the previous ‘omega combustion bowl’, equally the efficiency of the novel physical care for is increased through a higher burning rate. The increased efficiency also translates to significantly fewer emissions, in addition to Mercedes-Benz said that this six-cylinder diesel fuel is at 1 time all cook for the ready emission standards inward the upcoming years.

The novel inline six-cylinder gasoline engine (M 256)


Mercedes-Benz’ create novel inline-six petrol is arguably 1 of the most technologically advanced novel engines ready to live introduced inward the S-Class facelift adjacent year. Besides reworking the six-cylinder configuration, boosting efficiency in addition to output, this item engine was chosen to host a bunch of novel innovations including the novel 48V system, Integrated Starter-Alternator (ISG), in addition to an electrical auxiliary compressor (eZV). The novel inline-six is ready to blur the boundaries amongst today’s V8 engines inward price of performance spell offering much to a greater extent than fuel efficiency, equally good equally redefining the boundaries amongst hybrid powertrains.


The novel six-cylinder engine has been systematically designed for electrification, amongst the 48V organisation playing a telephone substitution role. Its performance likewise comes fairly to a greater extent than or less that of the electrical flow eight-cylinder. The novel sixer produces 408 hp (300 kW) in addition to to a greater extent than than 500 Nm of torque. That’s a considerable increment compared to the outgoing V6 (M 276) which was rated at 333 hp (245 kW) in addition to 480 Nm of torque. Besides beingness equally much equally fifteen per centum to a greater extent than efficient equally its predecessor, the novel inline-six is past times all way a much to a greater extent than compact engine, amongst cylinder spacing having been reduced from 106 mm to merely xc mm.
Responsible for the performance impulse is primarily the ISG which assists the turbochargers at start-off, amongst later the eZV guaranteeing immediate high torque when accelerating, bridging the fourth dimension earlier the large exhaust turbocharger cuts in. As a result, noticeable turbo lag is almost alone eliminated.


As said before, the 48V electrical organisation plays a telephone substitution role inward powering high consuming components such equally the ISG, H2O pump in addition to AC compressor. The ISG takes over the responsibilities of the conventional campaign belt equally it recuperates release energy direct into the car’s battery. This liberated a pregnant amount of infinite inward the engine bay, making the setup much to a greater extent than sophisticated in addition to less complex. The 12V organisation is silent inward play too, powering the car’s lights, cockpit, command units in addition to infotainment system.
The intelligent ISG also closes the gap betwixt combustion engines in addition to hybrid powertrains. The organisation allows for fuel savings that were previously reserved for high-voltage hybrid technology. Its hybrid functions include a fifteen kW boost, release energy recovery, engine coasting, in addition to 3S start: an almost imperceptible reinstatement of the engine.

The novel four-cylinder gasoline engine (M 264)


Mercedes-Benz’ novel petrol entry engine gets a pregnant update equally well. Less is known close this item engine, but it volition live capable of an output upwards to 100 kW. This blasts the novel entry-level engine into a territory that was previously dominated past times the likes of diverse six-cylinder engines. The novel four-cylinder has enough much inward mutual amongst Mercedes-AMG chiliad 133 engine, equally it volition live similarly equipped amongst twin-scroll turbocharging technology. It volition also characteristic a 48V organisation powering the belt-driven starter alternator (BSA) in addition to the newly developed electrical H2O pump. Influenza A virus subtype H5N1 farther improved intake manifold shows shorter air paths in addition to a to a greater extent than compact compressor housing ensures to a greater extent than spontaneous engine response.


Similar to the ISG inward the inline-six gasoline, the BSA is also responsible for diverse fuel saving hybrid functions including a smoother start-up process, a farther engine boost upwards to the 2,500 rpm range, release energy recovery upwards to 12.5 kW, the ‘coasting’ physical care for where the engine is shutoff when going downhill for example, in addition to the vehicle’s intelligent start / halt system.

Large scale utilization of particulate filters on petrol engines

To circular off the highlights of Mercedes-Benz’ impressive $3 billion ‘engine offensive’, the High German create volition live the foremost inward the globe to implement the large scale utilization of particulate filters on gasoline engines. Starting amongst the facelifted S-Class adjacent year, the utilization of particulate filters volition live rolled out to other model lines equally well.

This particulate filter works inward a similar way to the diesel fuel filters that are at 1 time touchstone equipment on every diesel fuel vehicle. The exhaust gas flow is supplied to a particulate filter organisation that is located inward the underfloor of the car. The filter has a honeycomb construction amongst alternately sealed inlet in addition to outlet channels. This directs the exhaust gas through a porous filter wall which hence traps the so-called soot. While driving the filter volition live continuously regenerated through burning of the micro particles that are left. The filter is optimized for dorsum pressure level in addition to is said to live maintenance-free in addition to self-regulating.


What’s next?

As mentioned before, foremost betoken on the agenda is the farther expansion of Mercedes-Benz’ applied scientific discipline middle inward Sindelfingen which is due for completion inward 2018. By hence nosotros are certain to induce got had a enterprise impression of the driving characteristics of the brand’s novel combustion engines too.

While edifice alone novel internal combustion engines during these times of electrification in addition to upcoming choice powertrains such equally hybrids in addition to fuel cells may appear similar a bold move, at that spot seems to live a clear in addition to good worked out thought behind this huge engine offensive. The bottom business is that Mercedes-Benz sees the internal combustion engine play an integral role inward the coming years, in addition to that it tin give the sack component equally a stepping rock towards a cleaner future. 




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