Mercedes-Benz OM608 engine
{{Infobox automobile engine
| name = Mercedes-Benz OM608
| image = Mercedes OM608 engine.png
| manufacturer = Renault
| aka =
| production = 2018–present
| predecessor = Mercedes-Benz OM607 engine
| successor =
| configuration = Inline four engine
| displacement = {{convert|1461|cc|L|1|order=flip|abbr=on}}
| bore = {{convert|76|mm|2|abbr=on}}
| stroke = {{convert|80.5|mm|2|abbr=on}}
| block = Cast iron
| head = Aluminium alloy
| valvetrain = SOHC 2 valves x cyl.
| compression = 15.1:1
| supercharger =
| turbocharger = Single-turbo
| fuelsystem = Common rail direct injection
| management =
| fueltype = Diesel
| oilsystem =
| coolingsystem =
| power = {{convert|85|kW|PS hp|0|abbr=on}}
| specpower = {{convert|{{#expr:85/1.461 round 1}}|kW|PS hp|1|abbr=on}} per litre
| torque = {{convert|260|Nm|lbft|0|abbr=on}}
| length =
| width =
| height =
| diameter =
| weight =
}}
The OM608 is a turbocharged inline-four diesel engine produced by Renault, for use in Mercedes-Benz vehicles.{{Cite news|url=https://carandbike.com/news/new-mercedes-benz-a-class-to-source-renaults-diesel-engine-1851866|title=New Mercedes-Benz A-Class To Source Renault's Diesel Engine - NDTV CarAndBike|work=CarAndBike|access-date=2018-07-03|language=en}}
Design
Due to Daimler AG's collaboration with the Renault–Nissan–Mitsubishi Alliance, the OM608 is heavily based on the Renault K9K engine.{{Cite news|url=https://www.cartoq.com/this-mercedes-is-powered-by-a-renault-duster-engine/|title=This Mercedes A-Class uses a Renault Duster engine!|date=2018-05-13|work=CarToq - India’s #1 auto content site|access-date=2018-07-03|language=en-US}} It features common rail direct injection with 2 valves per cylinder, and a cast iron engine block and crankcase with an aluminium alloy cylinder head.{{Cite web|url=http://www.greencarcongress.com/2018/02/20180203-aclass.html|title=Mercedes-Benz unveils Gen4 A-Class; bigger, new engines, focus on content and user experience|website=Green Car Congress|access-date=2018-07-03}} Differences include the engine control unit (ECU), a stop start engine system, a dual-mass flywheel, and the ancillaries.{{Cite web|url=https://vaaju.com/portugal/mercedes-benz-and-renault-the-6-differences-in-the-engine-1-5-diesel-split/|title=Mercedes-Benz and Renault. The 6 differences in the engine 1.5 Diesel split|website=vaaju.com|language=en-US|access-date=2018-07-03}}
Models
| class="wikitable sortable" style="text-align: center;"
!Engine !Power !Torque !Years |
| OM608 DE15 SCR
|{{convert|85|kW|PS hp|0|abbr=on}} |{{convert|260|Nm|lbft|0|abbr=on}} |2018– |