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Home >> Mercedes Benz >> 2021 >> E450 Base, 2D Convertible >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Electrical System - Body - 238 Chassis (4 Of 6) >> Retrofitting & Conversion >> Retrofit COMAND Online - AN82.85-P-0009LWO

Retrofit COMAND Online - AN82.85-P-0009LWO

Model 238 

with code 218 (Rear view camera) 

with code 235 (Active Parking Assist) 

with code 246 (Analogue clock) 

with code 270 (Aerial for GPS) 

with code 3U1 (Headunit europe/CIS-states/Monoglei) 

except code 506 (Audio 20 NTG 5.5 radio) 

Model 238 

with code 246 (Analogue clock) 

with code 270 (Aerial for GPS) 

with code 3U1 (Headunit europe/CIS-states/Monoglei) 

except code 218 (Rear view camera) 

except code 506 (Audio 20 NTG 5.5 radio) 

Shown on model 238.3 

G15371829Courtesy of MERCEDES-BENZ USA

Shown on model 238.3 

G15371830Courtesy of MERCEDES-BENZ USA
Topical note  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
Topical note  Notes on avoiding damage to optical fibers during repair work   AH82.60-P-0001-05AK
REMOVING Remove     
1 Remove instrument cluster.    
REFER TO TESTING & REPAIR   IMPORTANT The frame and the audio/COMAND display (A40/8) are no long required. AR54.30-P-6015LWE
2 Remove center console.    
REFER TO TESTING & REPAIR   Model 238 with transmission 725 AR68.20-P-2000LWE
REFER TO TESTING & REPAIR   Model 238 with transmission 716 AR68.20-P-2000LWO
3 Remove glove compartment.    
REFER TO TESTING & REPAIR     AR68.10-P-1402LWE
4 Remove head unit (A26/17) for Audio 20 or Audio 20 USB radio.    
REFER TO TESTING & REPAIR   IMPORTANT The head unit (A26/17) is no longer required. AR82.85-P-1101LWE
5 Remove HERMES control unit.    
REFER TO TESTING & REPAIR     AR82.95-P-0019LWE
6 Remove front passenger seat.    
REFER TO TESTING & REPAIR     AR91.10-P-1000LW
7 Remove FM 2, DAB and TV antenna amplifier. Model 238 with code 537 (Digital radio (DAB))  
REFER TO TESTING & REPAIR   Model 238.3 AR82.62-P-8311LWE
REFER TO TESTING & REPAIR   Model 238.4
IMPORTANT The FM 2, DAB and TV antenna amplifier is no longer required.
AR82.62-P-8311LWP
8 Remove FM, AM, CL, DAB and KEYLESS-GO antenna amplifier. Model 238 with code 537 (Digital radio (DAB))  
REFER TO TESTING & REPAIR   Model 238.3 AR82.62-P-8307LWO
REFER TO TESTING & REPAIR   Model 238.4
IMPORTANT The FM, AM, CL, DAB and KEYLESS-GO antenna amplifier is no longer required.
AR82.62-P-8307LWR
9 Remove floor covering at front on front passenger side.    
REFER TO TESTING & REPAIR     AR68.20-P-2065LWE
10 Remove Bluetooth® antenna.    
REFER TO TESTING & REPAIR   IMPORTANT The Bluetooth® antenna is no longer required.
IMPORTANT Model 238 with code 294 (Knee airbag) Do not remove driver knee airbag, routing of electric line for Bluetooth® antenna is done via cutout in display module.
AR82.62-P-8980LWE
11 Remove ventilation duct (4).    
12 Remove footrest (3).    
13 Open cable duct (5). Model 238 up to 30.11.17  
14 Release A-pillar fuse box on front passenger side (F1/3).    
REFER TO TESTING & REPAIR     AR54.15-P-0004LWE
15 Remove Audio/COMAND control panel (A40/9).    
REFER TO TESTING & REPAIR   Model 238 except code 448 (Touchpad)
IMPORTANT The Audio/COMAND control panel (A40/9) is no longer required.
AR54.21-P-0501LWE
16 Remove multimedia connection unit.    
REFER TO TESTING & REPAIR   IMPORTANT The multimedia connection unit is no longer required. AR82.60-P-1032LW
17 Disconnect electrical connector on tuner unit. Model 238 with code 522 (Audio 20 radio) with code 537 (Digital radio (DAB))  
REFER TO TESTING & REPAIR   Model 238.3 AR82.60-P-2002LWO
REFER TO TESTING & REPAIR   Model 238.4 AR82.60-P-2002LWP
18 Remove coupling for fiber-optic cable from detached electrical connector socket of tuner unit. Model 238 with code 522 (Audio 20 radio) with code 537 (Digital radio (DAB)) with code 810 (Sound system)  
19 Wrap felt tape around detached electrical connectors of tuner unit. Model 238 with code 522 (Audio 20 radio) with code 537 (Digital radio (DAB))  
20 Strap down electrical connectors of tuner unit at suitable point. Model 238 with code 522 (Audio 20 radio) with code 537 (Digital radio (DAB))
NOTES
Ensure they are properly strapped down and that no chafing can occur.
Otherwise, the wiring harness may be damaged and/or clattering noises may be produced.
 
INSTALLING Install     
21 Retrofit fiber-optic cable adapter. Model 238 with code 522 (Audio 20 radio) with code 537 (Digital radio (DAB)) with code 810 (Sound system)
NOTES
Ensure wiring harness is routed correctly and free of chafing points.
Otherwise, the wiring harness may be damaged, system failures may occur and/or clattering noise may be produced.
AN82.85-P-0009-08LWO 
22 Modify audio/COMAND display (A40/8).   AN82.85-P-0009-04LWO 
23 Retrofit touchpad. Model 238 except code 448 (Touchpad) AN82.60-P-0017-03LWE 
24 Install new Audio/COMAND control panel (A40/9) into center console cover.    
REFER TO TESTING & REPAIR   Model 238 except code 446 (Touchpad only) except code 448 (Touchpad) AR54.21-P-0501LWE
25 Retrofit wiring harness for touchpad. Model 238 except code 448 (Touchpad) AN82.60-P-0017-01LWO 
26 Refit electric line for GPS antenna.   AN82.85-P-0007-07LWE 
27 Refit plug housing for reversing camera electrical wiring harness. Model 238 with code 218 (reversing camera) with code 235 (Active Parking Assist with PARKTRONIC) with code 246 (Analog clock) AN82.85-P-0009-07LWE 
28 Refit electric line for audio/COMAND display (A40/8).   AN82.85-P-0009-05LWO 
29 Retrofit electrical wiring harness for instrument cluster. IMPORTANT Fix electrical wiring harness for instrument cluster in place only after routing all retrofit wiring harnesses. AN82.85-P-0009-06LWO 
30 Route Bluetooth® antenna over device installation frame of audio/COMAND display (A40/8) and install.    
REFER TO TESTING & REPAIR   IMPORTANT Fix electrical wiring harness for Bluetooth® antenna in place only after routing all retrofit wiring harnesses. AR82.62-P-8980LWE
31 Retrofit Wi-Fi antenna.   AN82.85-P-0005-05LWE 
CAUTION Risk of injury  caused by burns to skin and eyes, risk of poisoning caused by inhaling fumes during soldering. Wear protective gloves, protective clothing and safety glasses. Ensure that the work area is adequately ventilated. Secure power supply cables. Avoid sources of fire in working area. Model 238 as of 01.12.17 AS00.19-Z-0002-01A
32 Retrofit wiring harness for touchpad in center console area. Model 238 except code 448 (Touchpad)  
Topical note  Notes on the use of paint scraping nuts on ground connections   AH00.19-P-1000-20A
  Notes on soft soldering Model 238 as of 01.12.17 AH00.19-P-1000-07A
REFER TO TESTING & REPAIR Repairing wiring harness using solder connectors Model 238 as of 01.12.17 AR00.19-P-0100-09A
    Model 238 up to 30.11.17 AN82.60-P-0017-04LWO 
    Model 238 as of 01.12.17
IMPORTANT Fix touchpad wiring harness in place only after routing all retrofit wiring harnesses.
AN82.60-P-0017-04LWP 
    TORQUE SPECIFICATION Left center console ground point *BA00.19-P-1011-02B 
    TORQUE SPECIFICATION Ground point for electromagnetic compatibility (touchpad) *BA00.19-P-1030-02B 
    SPECIAL TOOL Model 238 as of 01.12.17
Adapter
Fig 3
    SPECIAL TOOL Model 238 as of 01.12.17
Reflector
Fig 4
    SPECIAL TOOL Model 238 as of 01.12.17
Welding bead catcher
Fig 1
    SPECIAL TOOL Model 238 as of 01.12.17
Wiring harness repair kit, basic
Fig 5
    SPECIAL TOOL Model 238 as of 01.12.17
New passenger car wiring harness repair kit
Fig 2
33 Retrofit electrical wiring harness for SD card navigation. IMPORTANT Fix electrical wiring harness for SD card navigation in place only after routing all retrofit wiring harnesses. AN82.85-P-0007-06LWO 
34 Install footrest (3).    
35 Install ventilation duct (4).    
36 Close cable duct (5). Model 238 up to 30.11.17  
37 Insert a fuse with fuse rating of 5 A into slot "MF3" of front passenger side fuse box on A-pillar (F1/3).    
REFER TO BASIC KNOWLEDGE Assignment of passenger-side A-pillar fuse box Model 238 up to model year 2021 except code 448 (Touchpad) GF54.15-P-1256-48FH
REFER TO SYSTEM WIRING DIAGRAMS Wiring diagram of passenger-side A-pillar fuse box Model 238 as of model year 2021 except code 448 (Touchpad) PE54.15-P-2519DEA
38 Insert a fuse with a fuse rating of 7.5 A into slot 313 of fuse box on A-pillar on front passenger side (F1/3).    
REFER TO BASIC KNOWLEDGE Assignment of passenger-side A-pillar fuse box Model 238 up to model year 2021 GF54.15-P-1256-48FH
REFER TO SYSTEM WIRING DIAGRAMS Wiring diagram of passenger-side A-pillar fuse box Model 238 as of model year 2021 PE54.15-P-2519DEA
39 Install floor covering at front on front passenger side.    
REFER TO TESTING & REPAIR     AR68.20-P-2065LWE
40 Install new FM 2, DAB and TV antenna amplifier. Model 238 with code 537 (Digital radio (DAB))  
REFER TO TESTING & REPAIR   Model 238.3 AR82.62-P-8311LWE
REFER TO TESTING & REPAIR   Model 238.4 AR82.62-P-8311LWP
41 Install new FM, AM, CL, DAB and KEYLESS-GO antenna amplifier. Model 238 with code 537 (Digital radio (DAB))  
REFER TO TESTING & REPAIR   Model 238.3 AR82.62-P-8307LWO
REFER TO TESTING & REPAIR   Model 238.4 AR82.62-P-8307LWR
42 Install front passenger seat.    
REFER TO TESTING & REPAIR     AR91.10-P-1000LW
43 Install HERMES control unit.    
REFER TO TESTING & REPAIR   IMPORTANT The GPS line is connected at a later stage to the head unit (A26/17). AR82.95-P-0019LWE
44 Install new head unit (A26/17).    
REFER TO TESTING & REPAIR     AR82.85-P-1101LWE
45 Install remaining parts.    
  Update Vehicle Documentation (VeDoc)     
46.1 Delete special equipment from on-line vehicle data card. Model 238 with code 520 (Audio 20 USB)
IMPORTANTCODE 520 (Audio 20 USB) 
 
46.2 Delete special equipment from on-line vehicle data card. Model 238 with code 522 (Audio 20 radio)
IMPORTANTCode 522 (Audio 20 radio) 
 
47 Delete special equipment from on-line vehicle data card. IMPORTANT Model 238 with code 355 (Pre-installation for navigation retrofit)
Code 355 (Preinstallation for navigation retrofit) 
IMPORTANT Model 238 with code 357 (Map navigation)
Code 357 (Card navigation) 
 
48 Enter special equipment into online vehicle data card. IMPORTANTCode 531 (COMAND APS) 
Code 464 (Digital instrument cluster full display) 
Code 14U (Smartphone integration package) 
Code 16U (Smartphone integration Carplay) 
Code 17U (Smartphone integration Google 
Automotive Link) 
IMPORTANT Model 238 except code 448 (Touchpad)
Code 448 (Touch pad) 
 
49 Attach "COMAND APS retrofitted in accordance with AN82.85-P-0009LWO" note under field organization texts to design group 54 and design group 82.    
50 Connect diagnostic system and select vehicle using vehicle identification number (VIN).    
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06LWO
51 Perform variant coding using the software calibration number (SCN). IMPORTANTInstrument cluster 
Head unit 
HERMES control unit 
Electronic ignition switch control unit 
Climate control, control unit 
IMPORTANT Model 238 with code 641 (Dynamic left-hand traffic LED headlamps), model 238 with code 642 (Dynamic right-hand traffic LED headlamps)
Headlamp control unit 
IMPORTANT Model 238 with code 235 (Active Parking
Assist with PARKTRONIC)
Parking system control unit 
IMPORTANT Model 238 with code 233 (DISTRONIC PLUS)
Mercedes-Benz Intelligent Drive control unit 
 
52 Disconnect diagnostic system.    
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06LWO
INSPECT Check     
53 Perform function test. IMPORTANT See Owner's Manual.  
GROUND POINTS

Number Designation Model 238
BA00.19-P-1011-02B Left center console ground point W12 Nm 10
GROUND POINTS

Number Designation Model 238
BA00.19-P-1030-02B Ground point for electromagnetic compatibility (touchpad) W91 Nm 10
Fig 1: Identifying Welding Bead Catcher (129 589 01 98 00)
G15371831Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying New Passenger Car Wiring Harness Repair Kit (220 589 04 99 00)
G13743246Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Adapter (220 589 01 99 42)
G13654422Courtesy of MERCEDES-BENZ USA
Fig 4: Identifying Reflector (220 589 01 99 41)
G12618303Courtesy of MERCEDES-BENZ USA
Fig 5: Identifying Wiring Harness Repair Kit, Basic (000 589 13 99 00)
G12618300Courtesy of MERCEDES-BENZ USA
PARTS ORDERING NOTE

Part no. Designation Quantity
KG 99 (see EPC) COMAND Online package contents 1