REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mercedes-Benz C-Class (from 1993 to 2000, the year of issue)

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Mercedes-Benz
	C-class
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				The bottom cover of the engine compartment
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				Valves
				Valve guide
				Valve seats in the cylinder head
				The cylinder head and engine block
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printable version

Valve seats in the cylinder head

ENGINE VOLUME OF 2,0 L

The valve seat	The inlet valve	Exhaust valve
The width of the valve seat	1.2 - 1.7 mm	1.7 - 2.0 mm
The angle of the valve seat	45 ?�	45 ?�
Correction angle top	15	15
Correction angle below	65 ?�	65 ?�
Permissible radial runout	0.03 mm	0.03 mm
Min. The distance "a1"	0.1 - 0.5 mm	0.1 - 0.5 mm
Min. The distance "a2"	-1.0 Mm	-1.0 Mm

A1 - the minimum distance between the surface of the valve plate and the lower edge of the cylinder head for the new valves and valve seats.

a2 - the minimum distance between the surface of the valve plate and the lower edge of the cylinder head after completion of valve seats and valve lapping.

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Valve guide

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The cylinder head and engine block