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Home >> Mercedes Benz >> 2021 >> CLA45 AMG >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Engine -- Mixture Formation (1 Of 2) -- 118 Chassis >> Testing & Repair >> Remove/Install Coolant Temperature Sensor >> Remove/Install Medium Temperature Circuit Coolant Temperature Sensor - AR07.04-P-1625MFG
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Remove/Install Medium Temperature Circuit Coolant Temperature Sensor - AR07.04-P-1625MFG

Engine 139 in model 118, 177, 247 

MODIFICATION NOTES

12.01.2023 SPK modified. Picture/legend module, operation step 3.  
Fig 1: Medium Temperature Circuit Coolant Temperature Sensor Components Location - Model 118 With Engine 139
G16053123Courtesy of MERCEDES-BENZ USA
WARNING Risk of injury  to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning  from swallowing coolant. Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the overpressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.
AS20.00-Z-0001-01A
WARNING Risk of injury  . Skin or eye injuries may result when handling hot or glowing objects. Wear protective gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
CAUTION Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.
AS00.00-Z-0017-01A
Notice  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
Notice  Notes on coolant   AH20.00-P-2080-01KOA
Notice  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
  Notes on coolant level   AH20.00-P-1142-01CW
REMOVINGINSTALLING Remove/install     
1 Remove the alternator (G2).   AR15.40-P-5032MFG
2 Remove screw (2). TORQUE SPECIFICATION Bolt, MT temperature sensor to crankcase *BA07.04-P-1006-01R 
3 Remove medium-temperature circuit coolant temperature sensor (B94/20) with bracket (3).    
4 Release electrical connector (1) and disconnect.    
5 Install in the reverse order.    
SENSORS, TRANSMITTERS

Number Designation Engine 139
BA07.04-P-1006-01R Bolt, MT temperature sensor to crankcase Nm 8