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Remove/install inclination sensor (towing sensor) - AR80.50-P-0001GM

MODEL 463.202 /222 /236 /237 /243 /244 /245 /246 /247 /248 /249 /250 /254 /270 /271 /303 /306 /309 /322 /323 /332 /333 /336 /340 /341 /346 

Fig 1: Identifying ATA (EDW) Inclination Sensor
G07705680Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Activate service mode in Telematic Alarm Identification on Demand (emergency call system) (TELE AID) Only on model 463.243/244/245/250/309/322/323/332/333 with code (ET2) Tele-Aid - car telephone emergency call system, 463.247/248/254/270 up to 1.4.07 with code (ET2) Tele-Aid - car telephone emergency call system AR82.95-P-0005-03GR
IMPORTANT Notes regarding the Tele-Aid emergency call system Model 463.243/244/245/250/309/322/323/332/333,
Model 463.247/248/254/270 up to 1.4.07		 AH82.95-P-0001-01GA
DANGER Risk of explosion  caused by oxyhydrogen gas. Risk of poisoning and caustic burns  caused by swallowing battery acid. 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 glasses. Only pour battery acid into suitable and appropriately marked containers. AS54.10-Z-0001-01A
2 Disconnect battery ground line All models except model 463.236/248 with code (979) Special protection version AR54.10-P-0003G
    Model 463.236/248 with code (979) Special protection version, with code (ZS6) Special protection version FB6, with code (E26) Additional battery 100 Ah incl. cutoff relay Model 463.236/248 with code (979) Special protection version, with code (ZS7) Special protection version FB7, with code (E26) Additional battery 100 Ah incl. cutoff relay AR54.10-P-0003PM
NOTES Notes on battery All models AH54.10-P-0001-01A
3 Remove center console Model 463.202/222/236/243/244/245/247/248/250/254/270/303/306/309/322/323/332/333/336/340/341/346 AR68.20-P-2000GA
    Model 463.237/246/249/271 AR68.20-P-2000US
4 Remove ETC [EGS] control unit (N15/3) Transmission 722.610 in model 463.244/245/250
Transmission 722.630 in model 463.243/246/247/ 248/249/254
Transmission 722.637 in model 463.322/323
Transmission 722.638 in model 463.309/332/333
Transmission 722.645 in model 463.270/271		 AR27.19-P-1719GA
5 Remove TELE AID control unit (A35/8) IMPORTANT Only with code (ET2) TELE AID car telephone call system AR82.95-P-0005GA
6 Remove console for TELE AID control unit IMPORTANT Only with code (ET2) TELE AID car telephone call system  
7 Disconnect electrical connector from ATA inclination sensor (B33)    
8 Unscrew ATA inclination sensor (B33) from body and remove    
9 Install in the reverse order    
10 Deactivate service mode in Telematic Alarm Identification on Demand IMPORTANT Only on model 463.243/244/245/250/309/322/323/332/333 with code (ET2) Tele-Aid - car telephone emergency call system, 463.247/248/254/270 up to 1.4.07 with code (ET2) Tele-Aid - car telephone emergency call system AR82.95-P-0005-03GR
IMPORTANT Notes regarding the Tele-Aid emergency call system Model 463.243/244/245/250/309/322/323/332/333,
Model 463.247/248/254/270 up to 1.4.07		 AH82.95-P-0001-01GA
11 Read out fault memory and erase IMPORTANT After work is complete, faults stored in the fault memory must be processed and erased. The stored faults may be caused by removed cables during installation or test operations as well as by simulation.  
  Connect STAR DIAGNOSIS and read out fault memory   AD00.00-P-2000-04A
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