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Engine Compression

COMPRESSION SPECIFICATIONS

Application (1) Specification
Compression Pressure
Low Compression Engines
C240, CL500, CLK320, CLK430, E320, E430, ML320, ML430 & SL500
Normal 145-174 psi (10-12 bar)
Minimum 109-153 psi (8 bar)
Standard Compression Engines
C320, CL500, CLK320, CLK430, E320, E430, ML320, ML430, S430, S500, SL500 & SLK320
Normal 174-203 psi (12-14 bar)
Minimun 131 psi (9 bar)
CLK55, E55 & ML55
Normal 160-189 psi (11-13 bar)
Minimun 145 psi (10 bar)
Maximum Difference Between Cylinders
All Models 22 psi (1.5 bar)
(1) Information for S55 and SLK230 is not available.