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Home >> Mercedes Benz >> 2007 >> CL550 >> Repair and Diagnosis >> Electrical >> Gauges >> Electrical System, Equipment & Instructions -- Testing & Repair -- Cl550 -- 216 Chassis >> Testing & Repair >> Remove/install radar sensors control unit - AR54.65-P-0040SC

Remove/install radar sensors control unit - AR54.65-P-0040SC

MODEL 216.3 with CODE (229) Park Assist with CODE (230) Advanced Parking Guidance with CODE (233) Distronic Plus with CODE (234) Blind Spot Assist 

Fig 1: Identifying Radar Sensors Control Unit, Bracket And Nuts
G07638423Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Switch off ignition and withdraw transmitter key or Keyless Go start/stop button from the EIS [EZS] control unit IMPORTANT Keyless Go start/stop button only for vehicles with code (889) Keyless Go.  
2 Remove spare tire well panel, loosen panel in side of luggage compartment and move to one side until the radar sensors control unit (N62/1) is accessible   AR68.30-P-4600SX
3 Undo nut (1), remove nut (2), remove bracket (3) and place to one side with lines still attached    
4 Detach electrical connector from radar sensors control unit (SGR) (N62/1) and remove radar sensors control unit (N62/1)    
NOTES Information on preventing damage to electronic components due to electrostatic discharge AH54.00-P-0001-01A
5 Install in the reverse order    
6 Check software release and update if necessary Only when replacing the radar sensors control unit (N62/1) or when replacing the radar sensors.  
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect STAR DIAGNOSIS and read out fault memory AD00.00-P-2000-04A