🌍 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.

2018 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 2018-2020 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)2.5 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Transmission bell housing, driver side
🔧 Xentry Diagnostics + SCN online
⚠️ 9G-TRONIC transmission. Requires transmission fluid drain, SCN coding, and adaptation drive cycle.
Climate Control Unit (CCU)2.0 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Behind center dashboard, above center console
🔧 Xentry Diagnostics
⚠️ Dashboard partial removal required. Requires coding for vehicle-specific HVAC configuration.
Electric Power Steering Control Unit (EPS)1.8 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Steering column, below instrument panel
🔧 Xentry Diagnostics + SCN online
⚠️ Steering wheel removal required. VIN-locked, requires steering angle sensor calibration after coding.
Electronic Stability Program Control Unit (ESP/ABS)1.5 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Engine bay, left front corner near brake master cylinder
🔧 Xentry Diagnostics + SCN online
⚠️ Integrated hydraulic unit. Brake bleeding required after replacement. VIN-locked.
Electronic Ignition Switch (EIS)1.5 hr R&Rsecurity gateway +1.2 hr▸ programming details
📍 Steering column, behind ignition switch
🔧 Xentry Diagnostics + SCN online
⚠️ VIN-locked. Key programming and ECM/TCU pairing required. Dealer-only for new keys.
Head Unit / COMAND (HU/COMAND)1.5 hr R&Rdealer / factory tool +0.8 hr▸ programming details
📍 Center dashboard, behind display screen
🔧 Xentry Diagnostics + SCN online
⚠️ 2018-2020 uses COMAND system (pre-MBUX). Requires coding for navigation, audio, and vehicle integration.
Motor Electronics / Engine Control Unit (ME/ECU)1.2 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Engine bay, left side firewall behind air filter housing
🔧 Xentry Diagnostics + SCN online
⚠️ VIN-locked, requires SCN coding and EIS pairing. Independent shops need Xentry OpenShell or dealer access.
Central Gateway Module (CGW)1.2 hr R&Rsecurity gateway +1.5 hr▸ programming details
📍 Behind glove box, right side footwell
🔧 Xentry Diagnostics + SCN online
⚠️ Security gateway. Replacement requires dealer-level authorization and extensive recoding of all modules.
Roof SAM (SAM-Roof)1.2 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Headliner, above rearview mirror
🔧 Xentry Diagnostics
⚠️ Controls sunroof, interior lighting, rain sensor. Headliner removal required.
Radar Sensor / DISTRONIC Control Unit (RSU)1.2 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Front bumper, center behind grille
🔧 Xentry Diagnostics + SCN online + radar aim tool
⚠️ Adaptive cruise control radar. Requires precise aim calibration with special target after replacement.
Front Signal Acquisition and Actuation Module (SAM-F)1.0 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Engine bay, left side fender well
🔧 Xentry Diagnostics + SCN online
⚠️ Controls front lighting, wipers, horn. VIN-locked, requires SCN coding.
Instrument Cluster (IC)1.0 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Behind steering wheel, instrument panel
🔧 Xentry Diagnostics + SCN online
⚠️ VIN-locked. Mileage programming requires dealer authorization and legal documentation.
Airmatic / Active Body Control Module (ADS/ABC)1.0 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Trunk, right side panel
🔧 Xentry Diagnostics + SCN online
⚠️ E450 uses Airmatic air suspension. Requires ride height calibration and SCN coding.
Camera Control Unit / Surround View (CCU)0.9 hr R&Rsecurity gateway +0.6 hr▸ programming details
📍 Trunk, right side panel
🔧 Xentry Diagnostics + SCN online
⚠️ 360-degree camera system. Requires camera calibration and VIN coding.
Restraint Systems Control Unit (SRS)0.8 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Center console, under front armrest
🔧 Xentry Diagnostics + SCN online
⚠️ Battery disconnect required. VIN-locked, requires SCN coding.
Door Control Module (DCM)0.8 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Inside each door (four modules total)
🔧 Xentry or Autel MaxiSys
⚠️ Controls windows, mirrors, locks. Door panel removal required. Basic coding possible with aftermarket tools.
Parktronic Control Unit (PTS)0.8 hr R&Rdealer / factory tool +0.4 hr▸ programming details
📍 Trunk, center panel behind trim
🔧 Xentry Diagnostics
⚠️ Controls parking sensors. Requires sensor calibration after coding.
Tailgate Control Module (TGM)0.7 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Trunk lid, center panel
🔧 Xentry or Autel MaxiSys
⚠️ Controls power trunk operation. Requires adaptation after replacement.
Seat Control Module (SCM)0.6 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Under each front seat (left and right modules)
🔧 Xentry or Autel MaxiSys
⚠️ Controls seat adjustment, heating, ventilation, massage. Basic coding possible with aftermarket tools.
Telematics Communication Module (TCM)0.6 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Rear parcel shelf, driver side
🔧 Xentry Diagnostics + SCN online
⚠️ Handles Mercedes me connect services. Requires online activation and VIN coding.
Fuel Pump Control Module (FPCM)0.5 hr R&Raftermarket tool +0.2 hr▸ programming details
📍 Trunk, left side panel
🔧 Xentry or Autel MaxiSys
⚠️ Controls fuel pump operation. Basic adaptation possible with aftermarket tools.
Intelligent Light System Control Unit (ILS)0.5 hr R&Rdealer / factory tool +0.3 hr▸ programming details
📍 Each headlight assembly (left and right modules)
🔧 Xentry Diagnostics
⚠️ LED headlights. Requires coding for adaptive functions. Headlight aim calibration required.
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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