🌍 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.

2020 MERCEDES-BENZ GLA250 H247

2.0L I4 Turbo M260AWDDCTgasM260turbo
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Dead battery / stuck in Park? Emergency neutral procedure for this GLA250 H247
Every control module on the 2020-2026 Mercedes-Benz GLA250 H247 — 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.
Electric Power Steering Control Unit (EPS)2.8 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Steering column, integrated with steering gear
🔧 Xentry Diagnostics + SCN online
⚠️ Requires steering angle sensor calibration and SCN coding. Wheel alignment recommended.
Transmission Control Unit (TCU)2.5 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Transmission housing, driver side
🔧 Xentry Diagnostics + SCN online
⚠️ Integrated with valve body on 8G-DCT. Requires transmission adaptation and SCN coding.
MBUX Head Unit (HU/MBUX)2.0 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Dashboard, center stack integrated display
🔧 Xentry Diagnostics + SCN online
⚠️ MBUX system. Requires online activation and user account pairing. Software updates mandatory after replacement.
Electronic Stability Program Control Unit (ESP/ABS)1.5 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Engine compartment, left front near fender
🔧 Xentry Diagnostics + SCN online
⚠️ Integrated hydraulic unit. Brake bleed required after replacement. VIN-locked.
Central Gateway Module (CGW)1.5 hr R&Rsecurity gateway +1.5 hr▸ programming details
📍 Dashboard, behind center console lower trim
🔧 Xentry Diagnostics + SCN online
⚠️ Security gateway. Replacement requires full vehicle reconfiguration and all module re-authorization. Critical component.
Intelligent Light System Control Unit (ILS)1.5 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Each headlight assembly, integrated
🔧 Xentry Diagnostics
⚠️ LED headlight control. Requires headlight aim calibration after replacement. Left and right modules separate.
Climate Control Unit (CCU)1.5 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Dashboard, behind center HVAC controls
🔧 Xentry Diagnostics
⚠️ Requires actuator calibration after replacement. Some aftermarket tools can perform basic coding.
Electronic Ignition Switch (EIS)1.5 hr R&Rsecurity gateway +1.5 hr▸ programming details
📍 Steering column, upper shroud area
🔧 Xentry Diagnostics + SCN online + Xentry Key Programming
⚠️ Security triangle component. Requires ECM/TCU pairing and key programming. Dealer-only operation.
Rear Signal Acquisition and Actuation Module (SAM-R)1.2 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Rear cargo area, left side panel behind trim
🔧 Xentry Diagnostics + SCN online
⚠️ Controls rear lighting, fuel pump relay, trailer functions. VIN-locked.
Camera Control Unit / Surround View (CCU)1.2 hr R&Rdealer / factory tool +0.8 hr▸ programming details
📍 Rear cargo area, right side or integrated with display unit
🔧 Xentry Diagnostics + camera calibration
⚠️ 360-degree camera system. Requires camera calibration mat and Xentry calibration procedure.
Motor Electronics / Engine Control Unit (ME/ECU)1.2 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Engine compartment, left side firewall near brake booster
🔧 Xentry Diagnostics + SCN online
⚠️ VIN-locked, requires online SCN coding and EIS pairing. Aftermarket tools cannot complete coding.
Adaptive Damping System Control Unit (ADS)1.2 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Rear cargo area, right side or under vehicle near rear axle
🔧 Xentry Diagnostics
⚠️ Adaptive suspension (if equipped). Requires ride height calibration and damper adaptation.
Door Control Module (DCM)1.0 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Inside each door, lower section behind trim panel
🔧 Xentry Diagnostics or Autel
⚠️ Window, mirror, lock control. Four modules (one per door). Window initialization required after replacement.
Instrument Cluster (IC)1.0 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Dashboard, behind instrument panel
🔧 Xentry Diagnostics + SCN online
⚠️ VIN-locked. Mileage programming requires dealer authorization and legal documentation.
Radar Sensor / DISTRONIC Control Unit (RSU)1.0 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Front bumper, center behind grille emblem
🔧 Xentry Diagnostics + SCN online
⚠️ Adaptive cruise control and collision prevention. Requires radar alignment with special tool after replacement or bumper work.
Parktronic Control Unit (PTS)0.8 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Rear bumper area, behind trim panel
🔧 Xentry Diagnostics or Autel
⚠️ Parking sensor system. Sensor teach-in can be performed with quality aftermarket tools.
PRE-SAFE Control Unit (PSM)0.8 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Center console area or integrated with SRS module
🔧 Xentry Diagnostics + SCN online
⚠️ Pre-collision safety system. Often integrated with SRS; separate module on higher trims.
Restraint Systems Control Unit (SRS)0.8 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Center console, under front seats mounting area
🔧 Xentry Diagnostics + SCN online
⚠️ VIN-locked. Requires crash data clear and component coding after replacement.
Tailgate Control Module (TGM)0.8 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Tailgate, left side behind trim panel
🔧 Xentry Diagnostics or Autel
⚠️ Power liftgate control. Requires position learning procedure after replacement.
Telematics Communication Module (TCM)0.8 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Rear cargo area, right side panel or under rear seat
🔧 Xentry Diagnostics + SCN online
⚠️ Mercedes me connect module. Requires SIM activation and online service subscription pairing.
Seat Control Module (SCM)0.6 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Under front seats, driver and passenger
🔧 Xentry Diagnostics or Autel
⚠️ Memory seat functions. Basic coding possible with aftermarket tools. Two modules (driver/passenger).
Fuel Pump Control Module (FPCM)0.5 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Under vehicle, near fuel tank or integrated with SAM-R
🔧 Xentry Diagnostics or scan tool
⚠️ May be integrated function of SAM-R on some variants. Adaptation required after fuel system service.
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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