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Home >> Mercedes Benz >> 2022 >> GLA250 Base >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - Pneumatic System -- 247 Chassis >> Testing & Repair >> Connect/Disconnect Testing Unit At Brake Booster - AR43.10-P-0024-01V

Connect/Disconnect Testing Unit At Brake Booster - AR43.10-P-0024-01V

Model 117, 156, 176, 242, 246 

Model 118, 177, 243, 247 

Model 171 

Model 172 

Model 192, 232 

Model 204, 207 

Model 205, 206, 236, 253, 293 

Model 211, 219 

with ADAPTIVE BRAKE (ABR) 

Model 212, 218 

Model 213 

Model 214 

except code 27U (Automatic parking service (Valet Parking)) 

except code 503 (Remote-controlled parking) 

except code ME10 (Hybrid vehicle (plug-in, PHEV)) 

Model 216, 221 

Model 217, 222, 231 

Model 223 

except code 200 (Conditionally automated driving) 

except code 503 (Remote-controlled parking) 

except code ME10 (Hybrid vehicle (plug-in, PHEV)) 

Model 254 

except code ME10 (Hybrid vehicle (plug-in, PHEV)) 

Model 463 

as of model year 2019 

Fig 1: Identifying Test Connection (168 589 08 63 00)
G07320953Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Tester (201 589 14 21 00)
G14791024Courtesy of MERCEDES-BENZ USA

Shown on model 171 

G07255987Courtesy of MERCEDES-BENZ USA
    1. Model 118, 177, 206, 232, 236, 243, 247 Model 211, 219 with ADAPTIVE BRAKE (ABR) Model 214 except code 27U (Automatic parking service (Valet Parking))

      except code 503 (Remote-controlled parking)

      except code ME10 (Hybrid vehicle (plug-in, PHEV))

      Model 223

      except code 200 (Conditionally automated driving)

      except code 503 (Remote-controlled parking)

      except code ME10 (Hybrid vehicle (plug-in, PHEV))

      Model 254

      except code ME10 (Hybrid vehicle (plug-in, PHEV))

      Detach check valve (17) of vacuum line (8) from brake booster (1).

    2. Model 117, 156, 176, 242, 246 Model 171

      Model 172

      Model 204, 207

      Model 205, 253, 293

      Model 212, 218

      Model 213

      Model 216, 221

      Model 217, 222, 231

      Model 463

      as of model year 2019

      Detach check valve (17) of vacuum line (8) from brake booster BAS (A7/7).

    • 2.1  Model 118, 177, 206, 232, 236, 243, 247 Model 211, 219 with ADAPTIVE BRAKE (ABR) Model 214

      except code 27U (Automatic parking service (Valet Parking))

      except code 503 (Remote-controlled parking)

      except code ME10 (Hybrid vehicle (plug-in, PHEV))

      Model 223

      except code 200 (Conditionally automated driving)

      except code 503 (Remote-controlled parking)

      except code ME10 (Hybrid vehicle (plug-in, PHEV))

      Model 254

      except code ME10 (Hybrid vehicle (plug-in, PHEV))

      Connect SPECIAL TOOL test connection (031) between brake booster (1) and vacuum line (8).

    • 2.2  Model 117, 156, 176, 242, 246 Model 171

      Model 172

      Model 204, 207

      Model 205, 253, 293

      Model 212, 218

      Model 213

      Model 216, 221

      Model 217, 222, 231

      Model 463

      as of model year 2019

      Connect SPECIAL TOOL test connection (031) between brake booster BAS (A7/7) and vacuum line (8).

  1. Connect SPECIAL TOOL vacuum tester (030) to SPECIAL TOOL test connection (031).
  2. Disconnection ensues in the reverse order.