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Home >> Mercedes Benz >> 2021 >> CLS450 4Matic >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System, Equipment & Instruments - 257 Chassis 3 Of 8 >> Testing & Repair >> Remove/Install Pyrofuse - AR54.10-P-1180FR

Remove/Install Pyrofuse - AR54.10-P-1180FR

Model 257, 290 

with code B01 (48V technology) 

Model 290 

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

G14549078Courtesy of MERCEDES-BENZ USA

Shown on model 257 with code B01 (48V technology) 

WARNING Risk of injury  during testing and repair operations related to pyrotechnical components Do not expose pyrotechnical component parts to temperatures above 100°C or 212°F.
Disconnect current supply when working on such component parts.
AS91.00-Z-0008-01A
Notice Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
Notice Notes on safety-relevant components   AH00.00-Z-0019-01A
  Information, assessment and legal requirements when working with, handling and storing pyrotechnical components   AH91.00-Z-0000-10A
REMOVINGINSTALLING Remove/install     
1 Remove trim below instrument panel on passenger side.   AR68.10-P-1502FR
2 Detach ground line of on-board electrical system battery.   AR54.10-P-0003FR 
3 Remove screw/bolts (3).    
4 Pull pyrofuse (F63) downwards until electrical connectors (1, 2) are accessible.    
5 Release and disconnect electrical connectors (1, 2).    
6 Remove pyrofuse (F63).    
7 Install in the reverse order.