mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Pressure/Variation|Page 2561 > < Spark Plug Pliers - AST Tool # H 1849|Page 2556
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Compression Check: Specifications
Pressure/Variation

Cylinder Compression

Normal Compression:

Minimum ............................................................................................................................................................................................................  10 bar
Maximum ...........................................................................................................................................................................................................  14 bar

Fuel Optimized:

Minimum ..............................................................................................................................................................................................................  6 bar
Maximum ...........................................................................................................................................................................................................  10 bar

Permissible Difference Between Cylinders ............................................................................................................................................................  1.5 bar 

NOTE:  Test data with engine at normal operating temperature and all spark plugs removed.

Pressure/Variation|Page 2561 > < Spark Plug Pliers - AST Tool # H 1849|Page 2556