Remove/install camshaft adjusters - AR05.20-P-7201EL

WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2016 Mercedes-Benz E63 S AMG, 2016 Mercedes-Benz E400, 2016 Mercedes-Benz E350, 2016 Mercedes-Benz E300, and 2016 Mercedes-Benz E250. However, it is still accessible from the selected car via links, so may be relevant.

ENGINE 157, 276.9, 278 in MODEL 212, 218

Fig 1: Camshaft Adjusters Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Rotate engine at crankshaft center bolt in direction of engine rotation to a 40°crank angle (CA) after top dead center (TDC) on cylinder 1 (ignition TDC)		AR05.10-P-7620-04MM
2	Remove respective cylinder head cover	Engine 276.9 - right cylinder head cover	AR01.20-P-5012EEL
		Engine 276.9 - left cylinder head cover	AR01.20-P-5013EEL
		Engine 157, 278 - right cylinder head cover	AR01.20-P-5012ELB
		Engine 157, 278 - left cylinder head cover	AR01.20-P-5013ELB
3	Mount hold-down tool on camshafts (4)	Tie-down set	Figure
4	Remove respective chain tensioner	ENGINE 276.9	AR05.10-P-7800EL
		ENGINE 157, 278	AR05.10-P-7800ELB
5	Loosen control valve (2) and remove	To loosen and tighten control valve (2) the camshafts (4) must be counterheld at your rear ends by a assistant with a Torx T 60. The thread and bolt head contact surface of the control valve (2) must be oiled. The control valve (2) must be tightened down evenly without discontinuity with torque. Center valve, pulse wheel/camshaft adjuster to camshaft	*BA05.20-P-1009-02A
		Socket	Fig 2
6	Remove camshaft positioner (1) from camshaft (4)		AR05.20-P-6020EL
		The camshaft positioners (1) must be mixed up with each other. Check basic position of camshafts (4) and adjust if necessary.
7	Remove timing chain (3) from camshaft positioners (1)	The right hand timing chain (3) is placed first on the camshaft adjuster (1) for the intake camshaft and then on the camshaft positioner (1) for the exhaust camshaft. The left hand timing chain (3) is placed first on the camshaft adjuster (1) for the exhaust camshaft and then on the camshaft positioner (1) for the intake camshaft.
8	Install in the reverse order
	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
9	Perform an engine test run and check engine for functionality

CAMSHAFT, CAMSHAFT ADJUSTMENT

Number	Designation			ENGINE 157	ENGINE 276
BA05.20-P-1009-02A	Center valve, pulse wheel/camshaft adjuster to camshaft	Stage 1	Nm	20	130
BA05.20-P-1009-02A	Center valve, pulse wheel/camshaft adjuster to camshaft	Stage 2	∠°	45	-

CAMSHAFT, CAMSHAFT ADJUSTMENT

Number	Designation			ENGINE 278
BA05.20-P-1009-02A	Center valve, pulse wheel/camshaft adjuster to camshaft	Stage 1	Nm	130
BA05.20-P-1009-02A	Center valve, pulse wheel/camshaft adjuster to camshaft	Stage 2	∠°	-

Fig 2: Identifying Socket (271 589 00 10 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Tie-Down Set (276 589 01 40 00)

Courtesy of MERCEDES-BENZ USA