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Home >> Mercedes Benz >> 2021 >> Metris Van Cargo >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Electrical System, Equipment & Instruments (07 Of 11) -- 447 Chassis >> Testing & Repair >> Remove/Install SAM Control Unit, Passenger Side >> Remove/Install SAM Control Unit, Passenger Side - AR54.21-S-1257E
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Remove/Install SAM Control Unit, Passenger Side - AR54.21-S-1257E

Model 447, 448 

Except Code XM7 (MOPF II) 

Fig 1: Signal Acquisition And Actuation Module (SAM) Components Location - Model 447 Except Code XM7 (Shown On 447.8## 1#)
G16482895Courtesy of MERCEDES-BENZ USA

Shown on model 447.8## 1# 

G16482896Courtesy of MERCEDES-BENZ USA
Notice  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
Notice  Notes on carrying out repair work in the vehicle interior   AH68.00-D-0001-01KOS
REMOVINGINSTALLING Remove/install     
1 Buffer basic data of signal acquisition and actuation module (SAM) control unit (N10/1) in diagnostic system. When replacing the signal acquisition and actuation module (SAM) control unit (N10/1).  
REFER TO SELF-DIAGNOSTIC SYSTEMS   INSTALLATION IMPORTANT Transfer buffered basic data to new signal acquisition and actuation module (SAM) control unit (N10/1). AD00.00-S-2000-04E
2 Disconnect ground line from battery.   AR54.10-S-0003E 
3 Remove trim in front passenger side footwell.   AR68.30-S-4030E
4 Remove cover under passenger side instrument panel. Model 447.6/7
with code LC7 (Illumination for front footwell)
except code XM7 (MOPF II)
Model 448
except code XM7 (MOPF II)
AR68.10-S-1520E
5.1 Remove glove compartment. Model 447, 448
with code F66 (Glove compartment, lockable)
except code XM7 (MOPF II)
AR68.10-S-1400E
5.2 Remove stowage compartment. Model 447
except code F66 (Glove compartment, lockable)
except code XM7 (MOPF II)
AR68.10-S-1610E
6 Disconnect electrical connectors (1).    
7 Remove bolts (2).    
8 Disconnect electrical connector (3).    
9 Slide signal acquisition and actuation module (SAM) control unit (N10/1) upwards out of the A-pillar. INSTALLATION IMPORTANT Check supports (4) are correctly seated in A-pillar.  
10 Install in the reverse order.