Remove/install cylinder head covers (V8 shown) - RA01001190500X(01-0500)
WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.
Preceding work:
Engine 119.96/97: Air cleaner removed (09-0015) .
Operation no. of operation texts and work units or standard texts and flat rates
| Model 210: cover over intake manifold | remove, install |
| Crankcase ventilation lines (4) and (5) | detach, fit on. |
| Engine 119.960: vacuum line at crankcase ventilation line (4) | detach, fit on. |
| Engine 119.960/97: engine wiring harness (19) at right cylinder head cover (6a) | unbolt, bolt on. |
| Vacuum line (16) of brake servo unit at intake manifold | unbolt, bolt on. |
| Covers (1) and (1a) over high voltage distributors | unclip, remove, install. |
| Fuel filler cap | open, release pressure, close. |
| Engine 119.960: fuel lines at pressure regulator and fuel distributor | disconnect, connect (07.3-1674). |
| Engine 119.97/98: fuel pipes (17) and (18) at fuel rail | disconnect, connect. Use box wrench bit 000 589 68 03 00; see note. Ensure the pipes are correctly routed; fuel pipes must not be touching cylinder head cover and engine cover. |
| Shaft covers (14) and (14a) over spark plug cables and ignition coils | unscrew, take off, fit on. |
| Engine 119.96/97: spark plug connectors | unplug, plug in (15-1031) . |
| Engine 119.98: ignition coils | unscrew, remove, install. |
| Engine 119.985 in model 210: windscreen washer fluid reservoir | unbolt, swing to the side with lines connected so that left cylinder head cover can be removed and installed. |
| Bolts of cylinder head covers with seals (10) | remove, screw on (9 Nm). |
| Cylinder head covers (6) and (6a) with gaskets (7) and (7a) and shaft seals (8) | take off, fit on.
NOTE:
Replace all gaskets together, ensure crankcase ventilation syphon at left cylinder head cover is correctly located in the drain hole.
|
| Engine | run and check for leaks, particularly at rear; see installation note. |
TIGHTENING TORQUE SPECIFICATION
| Bolts of cylinder head cover | 9 |
Special tools
Note engine 119.97/98
Use box wrench bit (02) 000 589 68 03 00 to unscrew fuel pipes (17, 18) and to screw on.
Installation note
Overlaps at the cylinder head cover gaskets at rear (arrows) must be correctly installed.
Replace gaskets which are kinked outwards or inwards at the side.
When performing repairs, install gaskets with identification 119 016 08 21 RA on right side and 119 016 07 21 LA on left side (identification in raised lettering).
Bolt diagram