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Home >> Mercedes Benz >> 2019 >> C300 4Matic, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 349 (Climate Control - 253 Chassis 2 Of 3) >> Testing & Repair >> Remove/Install Heat Exchanger - AR83.25-P-1100LW

Remove/Install Heat Exchanger - AR83.25-P-1100LW

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Model 205 

Model 213 

Model 253 

Fig 1: Heat Exchanger Components Location - Model 253 (Shown With Code 581)
G14188779Courtesy of MERCEDES-BENZ USA

Shown with code 581 (Automatic air conditioning) 

REMOVINGINSTALLING Remove/install     
1 Remove air conditioner housing (A32)   AR83.30-P-5200LW 
2 Detach plastic mount (1) and remove seal (2) from coolant lines (3)    
3 Disconnect electrical connector (4) at left blend air flap actuator motor (M2/8) and place electrical wiring harness to one side    
4 Disconnect electrical connector (4) at rear blend air flap actuator motor (M2/10) and place electrical wiring harness to one side Model 205, 213, 253 with code 581 (Automatic air conditioning)  
5 Remove screws/bolts (5) and remove actuator unit with rear blend air flap actuator motor (M2/10) Model 205, 213, 253 with code 581 (Automatic air conditioning)  
6 Remove screws/bolts (6) and remove left blend air flap actuator motor (M2/8)    
7 Remove screw/bolts (7)    
8 Detach retaining tabs (8) and remove heat exchanger (9)    
9 Detach retaining clips (10) and remove coolant lines (3) from heat exchanger (9) INSTALLATION NOTES Replace sealing rings and retaining clips (10). Otherwise leaktightness cannot be guaranteed.  
10 Install in the reverse order