Every control module on the 2024-2026 Mercedes-Benz Sprinter VS30 — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
Transmission Control Unit (TCU) 2.5 hr R&R security gateway +1.0 hr ▸ programming details
📍 Transmission bell housing or attached to valve body inside transmission
🔧 Xentry Diagnostics + SCN online
⚠️ Requires transmission fluid drain/refill. SCN coding and adaptation required. VIN-locked.
Battery Management System (BMS) 2.0 hr R&R security gateway +1.5 hr ▸ programming details
📍 Under vehicle, mounted to battery pack or in rear cargo area
🔧 Xentry Diagnostics + SCN online
⚠️ eSprinter electric models only. VIN-locked, requires high-voltage system isolation and SCN coding.
Electric Power Steering Control Unit (EPS) 2.0 hr R&R security gateway +1.0 hr ▸ programming details
📍 Steering column assembly or mounted on steering rack
🔧 Xentry Diagnostics + SCN online
⚠️ Requires steering angle sensor calibration and road test after coding. VIN-locked.
Onboard Charger Control Unit (OBC) 2.0 hr R&R security gateway +1.0 hr ▸ programming details
📍 Under vehicle, near battery pack or in front compartment
🔧 Xentry Diagnostics + SCN online
⚠️ eSprinter electric models only. VIN-locked, requires charging system configuration and SCN coding.
Signal Acquisition and Actuation Module - Rear (SAM-R) 1.8 hr R&R security gateway +1.5 hr ▸ programming details
📍 Rear cargo area, left or right side panel behind trim
🔧 Xentry Diagnostics + SCN online
⚠️ Controls rear lighting, doors, and cargo functions. VIN-locked, requires SCN coding.
Climate Control Unit (CCU) 1.5 hr R&R dealer / factory tool +0.5 hr ▸ programming details
📍 Behind dashboard center stack, integrated with HVAC controls
🔧 Xentry Diagnostics
⚠️ Requires variant coding for vehicle configuration. Enhanced integration with MBUX system.
Electronic Stability Program Control Unit (ESP/ABS) 1.5 hr R&R security gateway +1.0 hr ▸ programming details
📍 Engine compartment, mounted on ABS hydraulic unit near brake master cylinder
🔧 Xentry Diagnostics + SCN online
⚠️ Requires brake bleeding after replacement. VIN-locked, SCN coding mandatory. Integrated with ESP.
Central Gateway Module (CGW) 1.5 hr R&R security gateway +2.0 hr ▸ programming details
📍 Under dashboard, center console area or behind fuse box
🔧 Xentry Diagnostics + SCN online
⚠️ Enhanced security gateway with OTA update capability. Replacement requires full vehicle network reconfiguration.
Electronic Ignition Switch (EIS) 1.5 hr R&R security gateway +1.5 hr ▸ programming details
📍 Steering column, ignition switch assembly
🔧 Xentry Diagnostics + SCN online + key programming
⚠️ Part of security triangle. Requires all keys present for programming. VIN-locked, critical security module.
MBUX Head Unit (MBUX/HU) 1.5 hr R&R security gateway +1.0 hr ▸ programming details
📍 Dashboard center stack, behind touchscreen display
🔧 Xentry Diagnostics + SCN online
⚠️ VIN-locked. Requires MBUX configuration, user profile transfer, and online services activation.
Motor Electronics / Engine Control Unit (ME/ECU) 1.2 hr R&R security gateway +1.0 hr ▸ programming details
📍 Engine compartment, left side firewall or mounted on engine block
🔧 Xentry Diagnostics + SCN online
⚠️ VIN-locked, requires SCN coding and online authorization. EIS pairing mandatory. Enhanced cybersecurity protocols.
Tailgate Control Module (TGM) 1.2 hr R&R aftermarket tool +0.5 hr ▸ programming details
📍 Rear door/tailgate, inside panel
🔧 Xentry Diagnostics or Autel MaxiSys Ultra
⚠️ Calibration required for power liftgate if equipped. Variant coding for door type.
Radar Sensor / DISTRONIC Control Unit (RSU) 1.2 hr R&R security gateway +1.0 hr ▸ programming details
📍 Front bumper, center behind grille or rear bumper
🔧 Xentry Diagnostics + radar alignment tool
⚠️ Requires precise radar alignment with special tool. VIN-locked, SCN coding required. Enhanced ADAS integration.
Door Control Module (DCM) 1.0 hr R&R aftermarket tool +0.5 hr ▸ programming details
📍 Inside door panel, driver or passenger side
🔧 Xentry Diagnostics or Autel MaxiSys Ultra
⚠️ Window and mirror calibration required. Variant coding for power sliding doors if equipped.
Restraint Systems Control Unit (SRS) 1.0 hr R&R security gateway +0.8 hr ▸ programming details
📍 Center console tunnel, under front seats or behind center trim
🔧 Xentry Diagnostics + SCN online
⚠️ VIN-locked. Requires crash data clearing and occupant classification calibration after coding.
Camera Control Unit / Surround View (CCU) 1.0 hr R&R dealer / factory tool +0.8 hr ▸ programming details
📍 Behind rearview mirror or in rear cargo area
🔧 Xentry Diagnostics + camera calibration tool
⚠️ Camera calibration and alignment required. Enhanced 360-degree view on 2024+ models.
Fuel Pump Control Module (FPCM) 1.0 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Under vehicle, mounted on or near fuel tank
🔧 Xentry Diagnostics or Autel MaxiSys Ultra
⚠️ Basic adaptation usually sufficient. Some variants may require dealer coding.
Telematics Communication Module (TCM) 1.0 hr R&R security gateway +1.0 hr ▸ programming details
📍 Under dashboard, behind glove box or in overhead console
🔧 Xentry Diagnostics + online activation
⚠️ Requires Mercedes me connect activation and online subscription transfer. 5G capable on late 2024+ models.
Instrument Cluster (IC) 0.8 hr R&R security gateway +1.0 hr ▸ programming details
📍 Dashboard, behind steering wheel
🔧 Xentry Diagnostics + SCN online
⚠️ VIN-locked, mileage programming required. Part of security triangle with EIS and ECM. Digital display.
Intelligent Light System Control Unit (ILS) 0.8 hr R&R dealer / factory tool +0.5 hr ▸ programming details
📍 Behind headlight assembly, left or right side
🔧 Xentry Diagnostics
⚠️ Requires headlight range calibration and variant coding. Enhanced LED matrix functionality on 2024+.
Parktronic Control Unit (PTS) 0.8 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Rear cargo area, behind trim panel or under bumper
🔧 Xentry Diagnostics or Autel MaxiSys Ultra
⚠️ Sensor calibration required. Variant coding for number of sensors.
Trailer Module (TRM) 0.8 hr R&R aftermarket tool +0.5 hr ▸ programming details
📍 Rear frame rail, near hitch receiver
🔧 Xentry Diagnostics or Autel MaxiSys Ultra
⚠️ Variant coding for trailer wiring configuration. Factory or aftermarket hitch systems.
Seat Control Module (SCM) 0.5 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Under driver or passenger seat, mounted to seat frame
🔧 Xentry Diagnostics or Autel MaxiSys Ultra
⚠️ Variant coding for seat options. Most aftermarket tools can perform basic coding.
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour?
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