🌍 International coverage, work in progress. This Russian-market vehicle is part of our hand-curated international catalog. We are filling in labor times, torque specs and fluids as fast as we can verify them, so some numbers may be missing or marked estimated for now. Do you work on these vehicles in the EU, Russia, or the JDM scene? Help us get it right: send real shop times or corrections to [email protected], or request the data you need and it joins the verification queue.

2017 MERCEDES-BENZ E450 W213

3.0L I6 Turbo M256RWDAUTOMATICgasM256turbo
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Dead battery / stuck in Park? Emergency neutral procedure for this E450 W213
Every control module on the 2017 Mercedes-Benz E450 W213 — 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)3.5 hr R&Rdealer / factory tool +1.0 hr▸ programming details
📍 Transmission housing, driver side near valve body
🔧 Xentry Diagnostics + SCN coding
⚠️ Requires transmission fluid drain and valve body removal. VIN-locked, SCN coding mandatory.
Electric Power Steering Control Unit (EPS)2.5 hr R&Rdealer / factory tool +1.0 hr▸ programming details
📍 Steering column, integrated with steering gear
🔧 Xentry Diagnostics + SCN coding
⚠️ Requires steering angle sensor calibration and road test. VIN-locked.
4MATIC Control Unit (4M)2.0 hr R&Rdealer / factory tool +1.0 hr▸ programming details
📍 Transmission tunnel, near transfer case (4MATIC models only)
🔧 Xentry Diagnostics + SCN coding
⚠️ Only on 4MATIC AWD models. Requires drivetrain adaptation and road test. VIN-locked.
Signal Acquisition and Actuation Module - Front (SAM-F)1.8 hr R&Rdealer / factory tool +1.5 hr▸ programming details
📍 Engine compartment, left side fuse box
🔧 Xentry Diagnostics + SCN coding
⚠️ Controls most front electrical functions. Replacement requires extensive coding of all connected systems. VIN-locked.
Electronic Stability Program Control Unit (ESP/ABS)1.5 hr R&Rdealer / factory tool +0.8 hr▸ programming details
📍 Engine compartment, left front near fender
🔧 Xentry Diagnostics + SCN coding
⚠️ Integrated hydraulic unit. Brake bleeding required after replacement. VIN-locked.
Central Gateway Module (CGW)1.5 hr R&Rdealer / factory tool +1.5 hr▸ programming details
📍 Dashboard, left side behind fuse panel
🔧 Xentry Diagnostics + SCN coding
⚠️ Security gateway enforces authentication. Replacement requires all modules to be re-coded. Critical component.
Climate Control Unit (CCU)1.5 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Dashboard, behind center HVAC controls
🔧 Xentry Diagnostics + SCN coding
⚠️ Requires refrigerant recovery if HVAC lines disturbed. VIN-locked.
Radar Sensor / DISTRONIC Control Unit (RSU)1.5 hr R&Rdealer / factory tool +1.0 hr▸ programming details
📍 Front bumper, center behind grille
🔧 Xentry Diagnostics + SCN coding
⚠️ Radar alignment and road test mandatory. VIN-locked. Requires specialized alignment equipment.
Airmatic / Active Body Control Module (ABC/ADS)1.5 hr R&Rdealer / factory tool +1.0 hr▸ programming details
📍 Trunk, right side panel near air suspension compressor
🔧 Xentry Diagnostics + SCN coding
⚠️ Ride height calibration and road test required. VIN-locked.
Motor Electronics / Engine Control Unit (ME/ECU)1.2 hr R&Rdealer / factory tool +1.0 hr▸ programming details
📍 Engine compartment, left side firewall near brake booster
🔧 Xentry Diagnostics + SCN coding
⚠️ VIN-locked, requires online SCN authorization from Mercedes servers. Part of security triangle with EIS and cluster.
Tailgate Control Module (TGM)1.2 hr R&Raftermarket tool +0.5 hr▸ programming details
📍 Trunk lid, integrated in power liftgate mechanism
🔧 Xentry Diagnostics or Autel MaxiSys
⚠️ Power liftgate height calibration required. Aftermarket tools usually sufficient.
Head Unit / COMAND (HU/COMAND)1.2 hr R&Rdealer / factory tool +0.8 hr▸ programming details
📍 Dashboard, center stack behind trim panel
🔧 Xentry Diagnostics + SCN coding
⚠️ VIN-locked. Navigation and feature activation requires online authorization.
Camera Control Unit / Surround View (CCU)1.0 hr R&Rdealer / factory tool +0.8 hr▸ programming details
📍 Trunk, center panel behind trim
🔧 Xentry Diagnostics + SCN coding
⚠️ Camera calibration and alignment required. VIN-locked.
Instrument Cluster (IC)1.0 hr R&Rdealer / factory tool +1.0 hr▸ programming details
📍 Dashboard, behind steering wheel
🔧 Xentry Diagnostics + SCN coding
⚠️ Part of security triangle with ECM and EIS. Mileage programming requires dealer authorization. VIN-locked.
Door Control Module (DCM)1.0 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Inside each door (4 modules total)
🔧 Xentry Diagnostics or Autel MaxiSys
⚠️ Window and mirror calibration required. Aftermarket tools can usually code.
Electronic Ignition Switch (EIS)1.0 hr R&Rdealer / factory tool +1.5 hr▸ programming details
📍 Steering column, upper shroud
🔧 Xentry Diagnostics + SCN coding
⚠️ Part of security triangle. Key programming mandatory. Requires all keys present. VIN-locked.
Restraint Systems Control Unit (SRS)0.8 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Center console, beneath center armrest
🔧 Xentry Diagnostics + SCN coding
⚠️ Battery disconnect mandatory. VIN-locked, requires crash data clear and component verification.
Intelligent Light System Control Unit (ILS)0.8 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Engine compartment, integrated in headlight assemblies (left and right)
🔧 Xentry Diagnostics + SCN coding
⚠️ LED headlights. Headlight aim calibration required. VIN-locked.
Parktronic Control Unit (PTS)0.8 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Trunk, left side panel
🔧 Xentry Diagnostics or Autel MaxiSys
⚠️ Sensor calibration required. Aftermarket tools often work.
Telematics Communication Module (TCM)0.8 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Trunk, left side panel near wheel well
🔧 Xentry Diagnostics + SCN coding
⚠️ Requires Mercedes me connect subscription activation. VIN-locked.
Fuel Pump Control Module (FPCM)0.6 hr R&Rdealer / factory tool +0.3 hr▸ programming details
📍 Trunk, right side panel near fuel tank
🔧 Xentry Diagnostics + SCN coding
⚠️ VIN-locked. Fuel pressure adaptation required after replacement.
Seat Control Module (SCM)0.5 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Under front seats (driver and passenger)
🔧 Xentry Diagnostics or Autel MaxiSys
⚠️ Seat position memory adaptation required. Not heavily VIN-locked, aftermarket tools often work.
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? Tell us — corrections ship fast here.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years.
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