Engine Compression
COMPRESSION SPECIFICATIONS
| Application |
Specification |
| Compression Ratio |
| C230 |
10.4:1 |
| C280, CLK230, E320, E420, E430, S320, CL500, SL320 & SL500 |
10.0:1 |
| E300 Diesel & E300 Turbo Diesel |
22.0:1 |
| S420 & S500 |
11.0:1 |
| SLK230 |
8.8:1 |
| 1997 Compression Pressure |
| Gasoline Engine (Normal) |
| 2.3L |
160-218 psi (11-15 bar) |
| 2.8L, 3.2L 4.2L & 5.0L |
145-203 psi (10-14 bar) |
| Maximum Difference Between Cylinders |
| 2.3L, 2.8L, 3.2L & 5.0L |
22 psi (1.5 bar) |
| 1998 Compression Pressure |
| Gasoline Engine (Normal) |
| 2.3L |
160-218 psi (11-15 bar) |
| 2.3L Supercharged |
109-153 psi (7.5-10.5 bar) |
| 2.8L & 4.3L |
174-203 psi (12-14 bar) |
| 3.2L V6 |
174-203 psi (12-14 bar) |
| 3.2L Inline 6-Cyl. |
145-203 psi (10-14 bar) |
| 2.8L, 3.2L & 5.0L |
145-203 psi (10-14 bar) |
| 4.2L & 5.0L |
145-203 psi (10-14 bar) |
| Gasoline Engine (Minimum) |
| 2.8L, 3.2L (V6) & 4.3L |
152 psi (10.5 bar) |
| Maximum Difference Between Cylinders |
| 2.3L, 2.8L, 3.2L, 4.2L & 5.0L |
22 psi (1.5 bar) |
| 1997 Diesel Engine (3.0L) |
| Normal |
421-508 psi (29-35 bar) |
| Minimum |
261 psi (18 bar) |
| Maximum Difference Between Cylinders |
44 psi (3 bar) |
| 1998 Turbo Diesel Engine (3.0L) |
* |