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Home >> Mercedes Benz >> 2021 >> CLS53 AMG >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electrical System - Engine - 257 Chassis >> Testing & Repair >> Remove/Install Intake Camshaft Sensor - AR15.12-P-2146MSA
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Remove/Install Intake Camshaft Sensor - AR15.12-P-2146MSA

Engine 256.9 in model 213, 238, 257, 290 

Fig 1: Intake Camshaft Sensor Component Location - Engine 256.9 In Model 257
G14548259Courtesy of MERCEDES-BENZ USA
CAUTION Risk of injury  to skin and eyes due to handling of engine oil. Risk of poisoning  caused by swallowing engine oil Wear protective gloves, protective clothing and safety glasses.
Do not fill engine oil into beverage containers.
AS18.00-Z-0001-01A
Topical note Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
Topical note Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
REMOVINGINSTALLING Remove/install     
1 Remove upper engine cover. INSTALLATION IMPORTANT Do not install the upper engine cover until after the leak test. AR01.10-P-2405MSA
2 Release and disconnect intake camshaft Hall sensor electrical connector (B6/15).    
3 Unscrew screw (21). TORQUE SPECIFICATION Screw/bolt, camshaft position sensor to cylinder head cover *BA15.10-P-1002-03I 
4 Remove intake camshaft Hall sensor (B6/15).    
5 Install in the reverse order.    
6 Read out and delete fault memory.    
REFER TO SELF-DIAGNOSTIC SYSTEMS   Engine 256.9 in model 213 AD00.00-P-2000-04B
REFER TO SELF-DIAGNOSTIC SYSTEMS   Engine 256.9 in model 238 AD00.00-P-2000-06LWO
REFER TO SELF-DIAGNOSTIC SYSTEMS   Engine 256.9 in model 257, 290 AD00.00-P-2000-06FR
WARNING Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running. Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. AS00.00-Z-0005-01A
7 Carry out engine test run and check engine for proper leaktightness and leaktightness.    
8 Install upper engine cover.   AR01.10-P-2405MSA
POSITION SENSOR

Number Designation Engine 256.9
BA15.10-P-1002-03I Screw/bolt, camshaft position sensor to cylinder head cover Nm 8