Engine Compression
COMPRESSION SPECIFICATIONS
| Application |
Specification |
| Compression Pressure |
| Gasoline Engine |
| Normal |
| 2.3L Supercharged |
109-153 psi (7.5-10.5 bar) |
| 2.8L V6 |
174-203 psi (12-14 bar) |
| 3.2L V6 |
| CLK320 & E320 |
174-203 psi (12-14 bar) |
| ML320 |
145-174 psi (10-12 bar) |
| 3.2L Inline 6-Cyl. |
145-203 psi (10-14 bar) |
| 4.2L V8 |
145-203 psi (10-14 bar) |
| 4.3L V8 |
| C43 & CLK430 |
160-189 psi (11-13 bar) |
| E430 |
174-203 psi (12-14 bar) |
| ML430 |
145-174 psi (10-12 bar) |
| 5.0L V8 |
| CL500 & S500 |
145-203 psi (10-14 bar) |
| SL500 |
174-203 psi (12-14 bar) |
| Minimum |
| 2.8L & 5.0L (Eng. 113.961) |
131 psi (9 bar) |
| 3.2L (V6) |
| CLK320 & E320 |
131 psi (9 bar) |
| ML320 |
116 psi (8 bar) |
| 3.2L (I6), 4.2L, 4.3L & 5.0L (Eng. 119.98) |
145 psi (10 bar) |
| 3.2L (I6), 4.2L, 4.3L & 5.0L (Eng. 119.98) |
145 psi (10 bar) |
| Maximum Difference Between Cylinders |
| 2.3L, 2.8L, 3.2L, 4.2L, 4.3L & 5.0L |
22 psi (1.5 bar) |
| Diesel Engine (3.0L) |
| Normal |
421-508 psi (29-35 bar) |
| Minimum |
261 psi (18 bar) |
| Maximum Difference Between Cylinders |
44 psi (3 bar) |