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Remove/install oil level sensor - AR18.40-P-5111ELB

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ENGINES 157 in MODELS 166, 212, 218 

Illustrated on model 216 

Fig 1: Oil Level Sensor Remove/Install Components
G09975254Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Remove bottom engine compartment paneling INSTALLATION IMPORTANT Only install lower engine compartment paneling after engine test run and leak test.  
Model 166.0 AR61.30-P-1001GQ
Model 212, 218 AR61.20-P-1105EW
2 Drain engine oil and catch in a suitable container Model 166 with engine 157 AP18.00-P-0101GQ
Model 212, 218 with engine 157 AP18.00-P-0101EW
3 Disconnect electrical connector (2) from oil sensor (B40)    
4 Remove screw/bolts (3) and oil sensor (B40) from the oil pan bottom section (4) TORQUE SPECIFICATION *BA18.40-P-1004-02C 
CLEANING Clean     
5 Clean sealing surface on the oil pan bottom section (4) NOTES Do not use any sharp-edged tools or abrasive paper. The sealing surfaces can be damaged otherwise.  
Loctite 7200 *BR00.45-Z-1038-04A 
Loctite 7063 cleaning spray (150 ml) *BR00.45-Z-1046-04A 
6 Install in the reverse order    
INSPECT Checking     
7 Check engine oil level; correct if necessary Model 166 with engine 157 AP18.00-P-0101GQ
Model 212, 218 with engine 157 AP18.00-P-0101EW
DANGER Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near the engine as it is running Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.
AS00.00-Z-0005-01A
8 Carry out engine test run, checking the engine for proper operation and leaks
OIL SENSOR

Number Designation Engine 157
BA18.40-P-1004-02C Screw/bolt, fill level sensor to oil pan bottom section Nm 9
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1038-04A Loctite 7200 Henkel Loctite Deutschland GmbH
BR00.45-Z-1046-04A Loctite 7063 cleaning spray (150 ml) A 001 986 71 71 10