Check Oil Level Of Dual-Clutch Transmission, Correct If Necessary - AR27.00-P-0104MFA

Transmission 724.1 in Model 118, 177, 247

MODIFICATION NOTES

18.11.2021

Document completely revised

Courtesy of MERCEDES-BENZ USA

Shown on Model 177 with engine 654

Shown on Transmission 724.1 from below

Courtesy of MERCEDES-BENZ USA

	Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)	Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.	AS00.00-Z-0035-01A
	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 closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
	Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
	Risk of injury caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
	Risk of injury to skin and eyes due to handling of Transmission oil. Health risk caused by swallowing Transmission oil	Wear protective gloves, protective clothing and safety glasses. Do not pour Transmission oil into beverage bottles.	AS00.40-Z-0001-01A
Notice	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
Notice	General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment		AH00.00-Z-0300-01A
	Notes on automatic transmission		AH27.19-P-0001-01NKB
	Preparatory tasks
1	Put Transmission into neutral position.
2	Secure vehicle to prevent it moving away.
3	Connect diagnostic device.
			AD00.00-P-2000-06MFA
4	Start "Oil level check" routine using diagnosis and adjust oil level.	Select "Control unit" menu item → Select menu item "Actuation" → Select menu item "Oil level check" When the functions are active, "P" and "N" flash alternately in the instrument cluster The state of charge of the high-voltage battery must be min. 40 % The Transmission oil temperature must be between 40°C and 85°C. If Transmission oil temperature is less than 40°C ↓ start engine and let Transmission warm up.
5	Lift vehicle with vehicle lift.		AR00.60-P-1006A
6	Remove rear bottom engine compartment lining.	Transmission 724.1 in Model 118, 177, 247 with engine 139 Transmission 724.1 in Model 118, 177, 247 with engine 260 with code M016 (Uprated engine)	AR61.20-P-1105MFR
		Transmission 724.1 in Model 118, 177, 247 with engine 260 except code M016 (Uprated engine) Transmission 724.1 in Model 118, 177, 247 with engine 282	AR61.20-P-1105MFA
		Transmission 724.1 in Model 118, 177, 247 with engine 654	AR61.20-P-1105MFE
7	Clean contact surface on oil pan of transmission.	Assembly cleaner	*BR00.45-Z-1028-04A
8	Coat sensor surface of measuring head (8) with couplant.
	000 588 09 19 00 Oil level sensor		WS27.00-P-0188B
		MB Plastilube brake paste (brownish)	*BR00.45-Z-1084-06A
9	Attach measuring head (8) of oil level sensor to guide tube for ultrasound measurement (9) and wait until value stabilizes.
	000 588 09 19 00 Oil level sensor		WS27.00-P-0188B
	Check
10	Compare read-off oil level with specified oil level.	If read-off oil level matches specified oil level, ↓ continue with operation step 20. If read-off oil level is too low, ↓ continue with operation step 14. If read-off oil level is too high ↓ continue with operation step 15.
	Remove
11	Lower vehicle with vehicle lift.		AR00.60-P-1006A
12	Remove air filter housing.	Transmission 724.1 in Model 118, 177, 247 with engine 260	AR09.10-P-1150MFC
		Transmission 724.1 in Model 118, 177, 247 with engine 282	AR09.10-P-1150MFD
		Transmission 724.1 in Model 118, 177, 247 with engine 654	AR09.10-P-1150MFF
		Transmission 724.1 in Model 118, 177, 247 with engine 139	AR09.10-P-1150MFG
13	Remove cap (1) from filler neck (2).
	Adjust to correct level
14	Add automatic Transmission fluid until specified oil level is reached.
	Automatic Transmission fluids (ATF) (specification 236.22)		BB00.40-P-0236-22A
		Funnel	Fig 1
15	Open quick-release fastener and turn overflow pipe to position 2 and collect escaping Transmission oil in a suitable container.	If oil level is too high.
		Socket wrench	Fig 2
		Socket wrench	Fig 3
	Install
16	Fit cap (1) onto filler neck (2) and latch into place.
17	Clean Transmission from above.	Assembly cleaner	*BR00.45-Z-1028-04A
18	Install air filter housing.	Transmission 724.1 in Model 118, 177, 247 with engine 260	AR09.10-P-1150MFC
		Transmission 724.1 in Model 118, 177, 247 with engine 282	AR09.10-P-1150MFD
		Transmission 724.1 in Model 118, 177, 247 with engine 654	AR09.10-P-1150MFF
		Transmission 724.1 in Model 118, 177, 247 with engine 139	AR09.10-P-1150MFG
19	Lift vehicle with vehicle lift.		AR00.60-P-1006A
	Concluding tasks
20	Remove measuring head (8) of oil level sensor from guide tube for ultrasound measurement (9).
	000 588 09 19 00 Oil level sensor		WS27.00-P-0188B
21	Clean Transmission from below.	Assembly cleaner	*BR00.45-Z-1028-04A
22	Install rear lower engine compartment paneling.	Transmission 724.1 in Model 118, 177, 247 with engine 139 Transmission 724.1 in Model 118, 177, 247 with engine 260 with code M016 (Uprated engine)	AR61.20-P-1105MFR
		Transmission 724.1 in Model 118, 177, 247 with engine 260 except code M016 (Uprated engine) Transmission 724.1 in Model 118, 177, 247 with engine 282	AR61.20-P-1105MFA
		Transmission 724.1 in Model 118, 177, 247 with engine 654	AR61.20-P-1105MFE
23	End "Oil level check" routine using diagnostic device and disconnect diagnostic device.
			AD00.00-P-2000-06MFA