What technology does Mercedes use to limit nitrogen oxide emissions?
In order to meet the Euro VI European standard, which imposes limits on nitrogen oxide emissions, Mercedes has implemented new SCR (Selective Catalytic Reduction) technology that uses AdBlue®. Under its “BlueEFFICIENCY” initiative, Mercedes has chosen the name BlueTEC to refer to its diesel cars fitted with an AdBlue® tank. These models can generally be identified by the engine name, which usually:
- Includes BlueTEC (S 350 BlueTEC, GLE 300 BlueTEC 4Matic etc.) for the very first models.
- Ends with “d” (GLE SUV 250d, E 400d etc.) for the latest models.
Almost all the new diesel models are equipped with Mercedes AdBlue® tanks to achieve Mercedes’ ambition of having clean, powerful and long-lasting engines.
When and how to top up the AdBlue® on a diesel-powered Mercedes
A warning appears on your instrument cluster when you have around 1440 miles (2400 km) of range left before your car stops and cannot be restarted (warning level set by the European standard). There is a warning indicator on the dashboard for your model to inform you when your AdBlue® tank needs to be filled up. When the warning indicator comes on, you will still have over 1200 miles (2000 km) of range left before your car stops completely, giving you plenty of time to fill up the tank. The message will disappear only when the AdBlue® is topped up to at least 4 litres.
You can top up your tank at your dealer or by yourself at a filling station equipped with AdBlue® pumps.