🌍 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.
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No torque specs for this vehicle.
No fluid specs for this vehicle.
No DTC data for this vehicle.
No battery specs for this vehicle.
Every control module on the 2019-2025 Mercedes-Benz CLS450 C257 — 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)4.5 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Transmission housing, driver side (9G-TRONIC integrated valve body)
🔧 Xentry Diagnostics + SCN online
⚠️ Integrated with valve body on 9G-TRONIC; requires transmission oil change, adaptation, and SCN coding.
Electric Power Steering Control Unit (EPS)3.5 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 road test after coding.
Climate Control Unit (CCU)2.0 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Behind center dashboard, above center console
🔧 Xentry Diagnostics
⚠️ Requires actuator calibration after installation; some aftermarket tools can perform basic coding.
Electronic Stability Program Control Unit (ESP/ABS)1.8 hr R&Rsecurity gateway +0.8 hr▸ programming details
⚠️ Controls power seat, memory, heating, ventilation. Some aftermarket tools can code.
Fuel Pump Control Module (FPCM)0.5 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Trunk, right side near SAM-R (relay controlled by SAM-R)
🔧 Xentry Diagnostics or Autel
⚠️ Simple relay module; basic relearn via scan tool after replacement.
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.
No maintenance entries for this vehicle.
🌧️ Wiper Blades
2025
26″
Driver side
26″
Passenger side
Attachmenthook
📝 C257 generation CLS uses equal-length blades. Some sources indicate push-button attachment on certain model years.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2025 Mercedes-Benz CLS450 C257 3.0L I6 Turbo M256 and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years.