Car maker pledges to improve emissions with new exhaust recirculation tech and particulate filters for all models

Mercedes says it will invest close to £2.3 billion into the development of engine efficiency-improving technology, in order to clean up emissions before electric powertrains begin to take over.

The German car maker has already launched an all-new diesel unit, first offered with the new E-Class, that is said to feature a more effective exhaust gas recirculation system that’s packaged more tightly for improved efficiency, as well as selective catalytic reduction technology that helps to reduce nitrogen oxide emissions.

The new four-cylinder diesel engine, code named OM 654, is claimed to be capable of a combined fuel economy figure of 72.4mpg in the new E 220 d and produces just 102g of CO2/km. It’s the first of several diesels from a new Mercedes engine family due to be released across the entire range between now and 2019.

Mercedes says these units already come in under emissions limits that will be enforced within the EU from September 2017. It claims that the units have been developed with real-world driving in mind, and as such, the unit in the E 220 d can emit less than 80mg/km of NOx in normal driving circumstances, with this number dropping to as little as 13mg/km in low ambient temperatures.

Petrol engines to gain particulate filters

Mercedes claims it will be the first manufacturer to equip the vast majority of its cars’ petrol engines with particulate filters – a system that is normally used exclusively with diesels due to the lower amount of particulates associated with petrol.

Nevertheless, Mercedes has pledged to equip petrol versions of the S-Class with particulate filters first, before adding them to following models in the coming years.

Interestingly, Mercedes is already making reference to the gradual uptake of electric powertrains. In its latest release, the car maker says the money it is investing in combustion engines will help to keep them effective before “the widespread market success of electric vehicles”, suggesting future investments of this scale could soon be directed towards alternatively fuelled power.

Join the debate

Comments
2

27 May 2016
A billion more than Tesla's total reserves (and that's before it's coughed up for that weirdly gigantic battery factory).

27 May 2016
Bullfinch wrote:

A billion more than Tesla's total reserves (and that's before it's coughed up for that weirdly gigantic battery factory).

More like two as those are British pounds, while Tesla report theirs in USD.

Will those billions get Mercedes engines that can by themselves solve CO2 in EU or CAFE in USA? Nope.

Will those billions help it compete against 200 milies EVs that are coming soon to market? Nope.

Gigafactory in comparison is looking more and more as future proof investment. And the best part? Tesla share costs with multiple companies (including Panasonic), while guaranteeing leader position for itself.

On the other hand if that 2.3bln pounds goes toward electrification of engines...

Add your comment

Log in or register to post comments

Find an Autocar car review

Driven this week

  • Skoda-Karoq 2.0 TDI 4x4
    First Drive
    16 October 2017
    Diesel version of Skoda’s junior SUV is unobtrusive and undemanding, but we’d still go for the silkier petrol version of the Karoq
  • Audi Q7 e-tron
    First Drive
    16 October 2017
    Expensive and flawed but this understated diesel-electric Audi Q7 has a lot to offer
  • Citroën C3
    First Drive
    16 October 2017
    Is the third gen Citroën C3 ‘fresh and different’ enough to take on its supermini rivals? We spend six months with one to find out
  • BMW X3
    First Drive
    15 October 2017
    A satisfying rework of the X3 that usefully improves its handling, cabin finish, space and connectivity to make this BMW a class front-runner again
  • Vauxhall Insignia Country Tourer
    First Drive
    13 October 2017
    Off-road estate is now bigger, more spacious and available with torque-vectoring all-wheel drive, but is it enough to make its German rivals anxious?