Removing and installing oil level sensor - ra1800601a226x(0226)

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.

Engines 601, 602 (except 602.98), 603 (except Engine 603 in Model 124 4MATIC)

Preceding work:

Engine oil drained.

Engine compartment cladding bottom removed (01-006).

Operation no. of operation texts and operation values or standard texts and flat rates 18-4113

Engines 601, 602, 603 (except engine 603 in model 124 4MATIC)

Fig 1: Identifying Oil Level Sensor Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Plug (11)	for oil level sensor, disconnect, plug in.
Bolts (20)	unscrew, screw in, 10 Nm. Remove and install oil level sensor (351). Renew O-ring (365).

Modifications

Since 09/86 an O-ring made of Viton with a larger diameter has been fitted for sealing the oil level sensor at the sump. Color: green (previously black). Diameter 3.15 mm (previously 3 mm).

The seal of the oil level sensor at the sump is improved by modified dimensioning of the O-ring.

NEW O-RING:

Size	Previous version mm	Present version mm
d₁	40.20	37.20
d₂	3.15	3.20

Fig 2: Identifying O-Ring Dimension

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

TIGHTENING TORQUES

	Nm
Oil level sensor bolts	10

Special tool

Fig 3: Identifying (001 589 72 21 00 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.