Remove/install oil dipstick guide tube - AR18.40-P-3510SMG

ENGINE 156 in MODEL 216, 221 

Fig 1: Identifying Oil Dipstick Guide Tube Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Risk of injury  to skin and eyes caused by handling hot or glowing objects.	Wear safety gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
	Risk of death  caused by vehicle slipping or toppling off the lifting platform.	Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.	AS00.00-Z-0010-01A
	Risk of explosion  caused by escaping oxyhydrogen gas. Risk of injury  caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte (contains diluted sulfuric acid) or metal spatter due to short circuit. Risk of burn injuries  caused by short circuit. Risk of poisoning  caused by swallowing battery electrolyte (contains diluted sulfuric acid) or absorption of lead over the skin or orifices	No fire, sparks, open flames or smoking. Wear acid-resistant gloves and clothing and safety glasses with side guards. Do not place any conductive objects on the battery and avoid any short circuit from battery positive to ground. Only fill liquid battery electrolyte (diluted sulfuric acid) into suitable and appropriately marked containers.	AS54.10-Z-0001-01A
1	Disconnect ground line from battery	Insulate ground line clamp as a protection against unintentional contact of dismounted ground line with ground point of battery.	AR54.10-P-0003SX
	Notes on battery	All models Vehicles with code (889) Keyless Go: Switch off engine, remove Keyless Go cards from vehicle and store outside of the transmission range.	AH54.10-P-0001-01A
	Risk of injury  caused by fingers being pinched or crushed  when removing, installing or aligning hoods, doors, trunk lids, tailgates or sliding roof.	Keep body parts and limbs well clear of moving parts.	AS00.00-Z-0011-01A
2	Open engine hood
3	Remove both intake air ducts
4	Remove air filter housing		AR09.10-P-1150SMG
5	Remove electric fan		AR20.40-P-5000SMG
6	Remove alternator	Pull alternator with attached line somewhat to the front.	AR15.40-P-5032SMG
7	Pull oil dipstick (2) out of oil dipstick guide tube (1)
8	Remove screw (3)
9	Remove oil dipstick guide tube (1) up and out	Replace sealing ring (4) for dipstick guide tube (1). When fitting oil dipstick guide tube (1), ensure sealing ring (4) is not pressed into oil pan.
10	Install in the reverse order
11	Perform basic programming
12	Check engine oil level and replenish oil if necessary	The vehicle must be positioned horizontally on its wheels, otherwise false measurements occur.
	Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near the engine as it is running	Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
13	Perform engine test run and check leaktightness of oil dipstick guide tube	Check engine oil level approx. 5 minutes after switching off the warm engine, adjust to correct level if required