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Home >> Mercedes Benz >> 2002 >> SLK230 Automatic >> Repair and Diagnosis (Single Page) >> Body & Frame >> Ignition Switch/Steering Lock >> Anti-Theft & Central Locking System -- 170 Chassis >> Testing & Repair >> Turn Pneumatic control unit (PSE) 180°; connections pointing down - AR80.20-P-2710G

Turn Pneumatic control unit (PSE) 180°; connections pointing down - AR80.20-P-2710G

MODEL 170.### ## up to 280000 

Fig 1: Identifying Pneumatic Control Unit (Combined)
G04744417
REMOVING Remove     
DANGER Risk of explosion  caused by explosive gas. Risk of poisoning and caustic burns  caused by swallowing battery electrolyte. Risk of injury  caused by burns to skin and eyes from battery acid or when handling damaged lead-acid batteries No fire, sparks, open flames or smoking. Wear acid-resistant gloves, clothing and goggles. Pour battery electrolyte only into suitable and appropriately marked containers. AS54.10-Z-0001-01A
1 Disconnect ground cable of battery   AR54.10-P-0003A
NOTES Notes on battery All models AH54.10-P-0001-01A
2 Remove trunk lining on right-hand side   AR68.30-P-4800G
3 Remove pneumatic control unit with combination functions (A37)   AR80.20-P-2700G 
INSTALLING Install     
4 Install repair wiring harness IMPORTANT On original wiring harness for pneumatic control unit with combination functions (A37). AR54.18-P-0900G
5 Install pneumatic control unit with combination functions (A37) IMPORTANT Turn pneumatic control unit with combination functions (A37) 180°, so that electrical connections point downward. Replace protective cap for pneumatic control unit with combination functions (A37) with modified protective cap. AR80.20-P-2700G 
6 Install paneling in trunk on right   AR68.30-P-4800G
7 Perform basic programming   AR00.19-P-0200B
8 Read diagnostic trouble code memory and erase IMPORTANT When the work is complete stored faults must be worked on in the diagnostic trouble code memories and erased.
The DTCs stored can come from lines being disconnected during assembly or during testing work as well as from simulation.
See ↓
 
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect STAR DIAGNOSIS, interrogate fault memory   AD00.00-P-2000-04A
    Diagnosis system STAR DIAGNOSIS *WH58.30-Z-1048-13A 
9 Start engine IMPORTANT Allow engine to run for approx. 2 min to build up vacuum in the system.  
10 Perform function check IMPORTANT Lock and unlock vehicle  
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Number Designation
WH58.30-Z-1048-13A STAR DIAGNOSIS diagnosis system, Compact Passenger Car 6511 1801 00