Remove/Install Engine Oil Cooler - AR18.30-P-1000MNB

Engine 178 in model 190.377/378 

up to model year 2017 

Fig 1: Engine Oil Cooler Components Location - Engine 178 In Model 190.377/378 Up To Model Year 2017

Courtesy of MERCEDES-BENZ USA

	Risk of injury  to skin and eyes due to handling of engine oil. Risk of poisoning  caused by swallowing engine oil	Wear protective gloves, protective clothing and safety glasses. Do not fill engine oil into beverage containers.	AS18.00-Z-0001-01A
Topical note	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Remove/install
1	Remove lower front engine compartment paneling		AR61.20-P-1105RG
		: Only install lower engine compartment paneling after a leak test.
2	Remove oil lines (2) from engine oil cooler (1), allows engine oil to drain off and close off openings with stop plugs	: Replace seals.
		Collect engine oil in a suitable container.
		Screw/bolt, oil line to front-end/wheel arch oil cooler	*BA18.30-P-1006-01N
		Record plug	Fig 2
3	Unclip engine oil cooler (1) from retaining frame and remove downwards
4	Unclip air duct segment on engine oil cooler (1	When replacing engine oil cooler (1).
5	Remove bracket on engine oil cooler (1)	When replacing engine oil cooler (1).
		Screw/bolt, front-end/wheel arch oil cooler to bracket	*BA18.30-P-1005-01N
6	Install in the reverse order
7	Check engine oil level and correct
			AP18.00-P-1848U
	Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running.	Secure vehicle to prevent it from starting off by itself. Wear buttoned-up and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
8	Carry out engine test run and check engine for leaktightness while it is running
9	Install lower engine compartment paneling		AR61.20-P-1105RG

Fig 2: Identifying Record Plug (129 589 00 91 00)

Courtesy of MERCEDES-BENZ USA