
Mercedes SAM Module Cloning — Front & Rear Signal Acquisition / Body Control Unit Bench Service
Random lighting, wiper, or crank faults after a flooded trunk on your Mercedes? Mail in your original SAM plus a part-number-matched donor and we clone the coding and configuration across on the bench — plug and play, immobilizer relationship preserved.
Sending several modules? Add them all — one box, one return-shipping charge.

Mercedes Temic & Hella SAM units, front & rear — W203/W209 (Hella), W211/W219 (Temic), W204/W212 front & rear SAM, W220/W215/R230, W221/C216, W164/X164/W251, W166/X166, and the 2006-2013 Mercedes/Dodge/Freightliner Sprinter Temic SAM fuse box. Verified by VIN + module label before you ship.
How It Works
Three simple steps. Hundreds of mail-in jobs completed for shops, locksmiths, and DIY pros.

Pay & Get Address
Click "Order Now", pay securely online. We email shipping address + instructions within minutes.

Ship Your Module
Pack per the instructions and ship to Arlington. USPS goes to our PO Box; UPS and FedEx must use the street address. Your prepaid inbound label arrives by email — shipping to us costs you nothing.

Get It Back Fast
Work typically completed within 24 hours of receipt. Ships back next business day at the return speed you chose at checkout — standard to overnight. Tracking emailed.
What You Get
- Your original SAM's coding, configuration, and stored data cloned onto the donor, where the original still responds
- Donor part-number compatibility verified by VIN and module label before you ship
- Component-protection relationship accounted for during the read where it applies
- Bench read + verify of both units before anything is written
- Bench power-up and communication test on a regulated supply before return
- Clear install notes — including where on-car SCN / variant coding may still apply
- Modules returned with tracking — return-shipping speed your choice at checkout
Compatibility
Confirm your part matches one of the variants below before ordering. Not sure? Text us a photo and we'll verify.
C-Class & CLK — Hella SAM
- W203 C-Class (2001-2007) — Hella front SAM
- W203 C-Class (2001-2007) — Hella rear SAM
- S203 C-Class wagon, CL203 sport coupe — same Hella SAM family
- W209 CLK coupe (2003-2009) — Hella front SAM
- A209 CLK cabriolet (2004-2009) — Hella rear SAM
- C55 AMG, CLK55 / CLK63 AMG — same Hella SAM family
E-Class & CLS — Temic SAM
- W211 E-Class (2003-2009) — Temic front SAM
- W211 E-Class (2003-2009) — Temic rear SAM
- S211 E-Class wagon (2003-2009) — rear SAM in the cargo floor
- W219 CLS (2005-2011) — rear SAM (shared W211/W219 unit)
- E55 / E63 AMG (W211), CLS55 / CLS63 AMG (W219)
W204 / W212 generation — front & rear SAM
- W204 C-Class (2008-2014) — front SAM
- S204 wagon, C204 coupe (2008-2015) — front SAM
- X204 GLK (2010-2015) — same W204 SAM family
- W212 E-Class (2010-2016) — front SAM
- W212 E-Class (2010-2016) — rear SAM
- S212 E-Class wagon — rear SAM in the cargo floor
- C207 / A207 E-Class coupe & cabriolet (2010-2017)
S-Class, CL & SL
- W220 S-Class (1999-2006) — S430, S500, S600 front & rear SAM
- W215 CL-Class (2000-2006) — CL500, CL55, CL600 SAM
- R230 SL-Class (2003-2012) — SL500, SL550, SL55 SAM
- W221 S-Class (2007-2013) — front SAM
- C216 CL-Class (2007-2014) — front SAM (W221 family)
M-Class, GL, GLE & R-Class
- W164 ML-Class (2006-2011) — ML350, ML500, ML63 AMG front SAM
- W164 ML-Class (2006-2011) — rear SAM (cargo area)
- X164 GL-Class (2007-2012) — GL450, GL550 front & rear SAM
- W251 R-Class (2006-2013) — shares the W164 SAM family
- W166 ML / GLE (2012-2019) — front SAM
- X166 GL / GLS (2013-2019) — front SAM
Sprinter van — Temic SAM fuse box
- 2006-2013 Mercedes-Benz Sprinter (W906) — Temic SAM fuse box
- 2007-2009 Dodge Sprinter (W906) — Temic SAM fuse box
- 2010-2013 Freightliner Sprinter — Temic SAM fuse box
- Cargo, passenger, and cab-chassis variants
Suppliers & positions
- Temic SAM variants
- Hella SAM variants
- Front (engine-bay / dash) fuse-box SAM
- Rear (trunk / cargo-floor) fuse-box SAM
- Donor must match the Mercedes part number on your label
Failure patterns we see
- Water intrusion into a trunk / cargo-floor rear SAM
- Corroded pins and internal traces from moisture
- Random exterior / interior lighting faults
- Wipers, turn signals, or crank enable dropping out
- "SAM control unit" / control-module fault codes
Best for
- Flooded rear SAM being replaced with a used donor
- A used SAM installed but the car has faults or won't crank
- A SAM that still responds but is failing — clone it before it dies
- Avoiding a dealer-only new-SAM order plus coding bill
Will This Fix My Problem?
Honest answer: here's exactly what this service fixes — and what it doesn't.
Fixes:
- Rear SAM flooded in the trunk and throwing random lighting / wiper faults
- Used donor SAM installed and the car has faults or won't crank
- "SAM control unit" fault stored with no working replacement path
- Turn signals, wipers, or exterior lights behaving erratically after moisture
- A SAM that still powers up but is corroding — clone it before it fails completely
- You need a second-hand SAM made plug-and-play for your exact car
Won't fix:
- Does not include the donor SAM — you source a matching used unit (we verify the part number first)
- Does not revive a SAM that is internally dead or unreadable — a dead original cannot be cloned (ask about our Advanced ECU / Module Recovery service for burnt, flooded, or no-communication units)
- Does not repair corroded connectors, chafed harness, or the wiring feeding the SAM
- Does not fix a fault whose real cause is a bad bulb, relay, motor, switch, or ground
- Does not remove or bypass component protection / the immobilizer relationship
- Does not perform on-car SCN / variant coding — this is a bench data clone
- Does not bypass proof of ownership
Before you order
You diagnose, we service the module.
We don't have your car and we don't diagnose it. Order once you or your mechanic have confirmed this module is the cause. If the work is completed and the car still has the same symptom because of another fault, the work is still done — a bench re-test under warranty is free.
A clone copies what is in your module.
We transfer the data as we read it. If another shop or tool already worked on the module — an unfinished clone, a tune, a delete — that data can come across too. Tell us before you ship.
What "plug-and-play" means.
No dealer programming should be needed when your original data is intact, the donor matches your module (same type, hardware and software family) and the rest of the car works. It isn't a promise that the car will start or run.
Flooded rear SAM? A plain used one won't drop in
On W164/X164/W211/W219 and their cousins the rear SAM sits low in the trunk or cargo floor, so a leaking seal, clogged drain, or blocked sunroof channel quietly floods it — and once it corrodes you get random lighting, wiper, and no-crank faults. A brand-new SAM has to be coded, and a plain used SAM still carries the donor car's configuration, so neither is a clean swap. This service clones your original's coding and data onto a part-number-matched donor so it behaves exactly like the unit that failed. Some SAMs carry component protection, which we account for during the read; a technician verifies your VIN and both module labels first, and proof of ownership is required for security-related work.
Shipping Instructions
These details are also emailed to you the moment your payment clears.
Verify first: text or email us your VIN and clear photos of your original SAM label and the donor's label — a technician confirms the part numbers are a compatible match before you ship. Then send both units to PO Box 120241, Arlington TX 76012 if you ship USPS — or 1009 Oakwood Ln # 120241, Arlington TX 76012 if you ship UPS or FedEx (UPS and FedEx cannot deliver to a PO Box). We clone on the bench, test communication, and ship everything back via the return option you pick at checkout (Standard $29.95, UPS 2-Day $54.95, or UPS overnight $94.95).
What to include in your box
- Your original SAM (front and/or rear, whichever failed — if it still powers up) AND the donor SAM
- Year, make, model, and body code (e.g. 2008 Mercedes ML350 W164)
- VIN of the vehicle
- Mercedes part number off BOTH SAM labels (we pre-verify the match)
- Which SAM it is — front (engine-bay/dash) or rear (trunk/cargo)
- What is wrong now: water damage, random lighting faults, no crank, etc.
- Proof of ownership (title, registration, or bill of sale)
- Your name, return address, and phone number
Ship to
Auto Module Lab
If shipping USPS
PO Box 120241
Arlington, TX 76012
If shipping UPS or FedEx
1009 Oakwood Ln # 120241
Arlington, TX 76012
Your prepaid inbound label (already addressed) arrives by email the moment you order; the return label is bought when your module reaches the bench and ships on the speed you chose at checkout.
Need to perform this job remotely?
Get an Auto Module Lab Remote Programming Kit and have our technicians program supported vehicles from your shop — the car stays on your lift and nothing gets posted.
Buy the interface once — program with us anytime. Supported procedures vary by vehicle, module, OEM software and security requirements.
Frequently Asked
Still have a question? Text us — replies in minutes.
What is a SAM module and what does it do?
Why can't I just plug in a used SAM from a scrapyard?
My rear SAM got wet in the trunk — is that common?
Do you supply the donor SAM?
My original SAM is completely dead — can you still clone it?
Is this on-car coding or a bench clone?
Does the immobilizer or component protection stay intact?
How much is it and how does the mail-in work?
Related Services
Other bench services for the same brand or use case.

Mercedes EIS Cloning (Pre-2014)
Failed Mercedes EIS leaving you with a car that won't start? We clone it to a replacement EIS — your existing keys keep working, no re-keying the car.

Mercedes Key Replacement via EIS
Lost your only Mercedes key? Ship us your EIS — we program a fresh working key directly on the bench.

Mercedes ELV Emulator Programming
ELV (steering lock) failed? Ship your EIS — we program and supply a matched ELV emulator.
Where we serve Mercedes SAM Module Clone
Mail-in means nationwide — we accept modules from all 50 states and DC from our Arlington, Texas lab. See your state, metro, or specific vehicle:
All 50 states + DC
Ready to ship?
$350 flat, fast turnaround. Pay now, get the shipping address by email, drop it in the mail. Your module is typically back on your bench within a week.