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Home >> Mercedes Benz >> 2018 >> GLS450 >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System, Equipment & Instruments - 166 Chassis 4 Of 8 >> Testing & Repair >> Remove/Install Additional Battery Relay - AR54.15-P-2000GQ

Remove/Install Additional Battery Relay - AR54.15-P-2000GQ

Model 166 as of model year 2016 with code ME05 (Hybrid drive 85 kW-94 kW variant (incl. plug-in)) 

Model 166 up to model year 2016 with code B03 (ECO start/stop function) 

MODIFICATION NOTES

29.10.2015 Document reference validity adapted In operation step 3  
G14132270Courtesy of MERCEDES-BENZ USA

Shown on model 166.024 

Fig 1: Additional Battery Relay Components Location - Model 166 As Of Model Year 2016 With Code ME05, B03
G14132271Courtesy of MERCEDES-BENZ USA

Shown on model 166.873 

DANGER Risk of death  when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC) Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines. AS00.00-Z-0035-01A
General information on handling vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system   AH00.00-Z-0300-01A
Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
Notes on battery   AH54.10-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Disconnect battery ground line   AR54.10-P-0003GZ 
2.1 Remove right side of panel in trunk Model 166.0 as of model year 2016 with code ME05 (Hybrid drive 85 kW-94 kW variant (incl. plug-in))
Model 166.0 up to model year 2016 with code B03 (ECO start/stop function)
AR68.30-P-4800GQ
2.2 Remove trim from spare tire well Model 166.8 up to model year 2016 with code B03 (ECO start/stop function) AR68.30-P-4620GQ
3 Detach ground line from additional battery for ECO start/stop function (K114) Model 166.0 as of model year 2016 with code ME05 (Hybrid drive 85 kW-94 kW variant (incl. plug-in)) Model 166.0 up to model year 2016 with code B03 (ECO start/stop function) AR54.10-P-0007GQA
    Model 166.8 up to model year 2016 with code B03 (ECO start/stop function) AR54.10-P-0007GQX 
4 Detach electrical feed lines (1a, 1b) from relay for additional battery of ECO start/stop function (K114)    
5 Release and disconnect electrical connector (2)    
6 Unscrew nuts (3)    
7 Remove ECO start/stop function additional battery relay (K114)    
8 Install in the reverse order