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Mercedes SAM Module Cloning — Front & Rear Signal Acquisition / Body Control Unit Bench Service

Name: Mercedes SAM Module Cloning — Front & Rear Signal Acquisition / Body Control Unit Bench Service
Brand: Mercedes
Price: 350 USD
Availability: InStock

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.

$350 flatFast TurnaroundFlat-rate return shipping

Sending several modules? Add them all — one box, one return-shipping charge.

Text Before You Buy

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.

Mercedes SAM Module Cloning — Front & Rear Signal Acquisition / Body Control Unit Bench Service

$350 · Ships in 1-2 Business Days

Quick Answer

We clone Mercedes SAM units on the bench — the Signal Acquisition & Actuation Modules (Signalerfassungs- und Ansteuermodul) that live in the front and rear fuse boxes and drive the car's lighting, turn signals, wipers, and power distribution. Supplied by Temic and Hella depending on the model, SAMs are a classic Mercedes failure point: the rear SAM sits low in the trunk or cargo floor and floods, corrodes, and starts throwing random lighting, wiper, no-crank, and "SAM control unit" faults. A brand-new SAM has to be coded, and a plain used one keeps the donor car's identity — so it won't drop in. This service copies your original SAM's coding, configuration, and stored data onto a used donor SAM you supply, matched by part number, so the donor becomes plug-and-play for your car. This is a bench DATA CLONE, not on-car SCN coding, and some SAMs carry component protection that we account for during the read. You source the matching donor; a technician verifies part-number compatibility by VIN and module label before you ship anything.

How It Works

Three simple steps. Hundreds of mail-in jobs completed for shops, locksmiths, and DIY pros.

Mercedes SAM signal acquisition module opened on the bench with programming leads connected

Pay & Get Address

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

Software cloning coding and configuration data from a Mercedes Temic SAM to a donor unit

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. Customer pays shipping to us.

Macro view of a corroded Mercedes SAM circuit board from a flooded rear fuse box

Receive in 1-2 Days

Work 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

Flat-rate pricing

$350USD

or 4 interest-free payments of $87.50 with Afterpay at checkout

Fast Turnaround
Return speed your choice — standard to overnight
Tracking emailed when shipped
6-month programming warranty

Turnaround is our bench-time estimate after your module arrives — most standard jobs finish same or next business day, but complex damage, parts, or extra testing can extend it. Not a guaranteed completion or delivery date.

Sending several modules? Add them all — one box, one return-shipping charge.

The dealer path for this job: a new module, dealer programming, and usually a tow — each billed separately. See the comparison

Secure Square checkout — card, Apple Pay, Google Pay, Cash App Pay, or Afterpay. Shipping address + detailed instructions emailed automatically.

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 SAMW203 C-Class (2001-2007) — Hella rear SAMS203 C-Class wagon, CL203 sport coupe — same Hella SAM familyW209 CLK coupe (2003-2009) — Hella front SAMA209 CLK cabriolet (2004-2009) — Hella rear SAMC55 AMG, CLK55 / CLK63 AMG — same Hella SAM family

E-Class & CLS — Temic SAM

W211 E-Class (2003-2009) — Temic front SAMW211 E-Class (2003-2009) — Temic rear SAMS211 E-Class wagon (2003-2009) — rear SAM in the cargo floorW219 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 SAMS204 wagon, C204 coupe (2008-2015) — front SAMX204 GLK (2010-2015) — same W204 SAM familyW212 E-Class (2010-2016) — front SAMW212 E-Class (2010-2016) — rear SAMS212 E-Class wagon — rear SAM in the cargo floorC207 / A207 E-Class coupe & cabriolet (2010-2017)

S-Class, CL & SL

W220 S-Class (1999-2006) — S430, S500, S600 front & rear SAMW215 CL-Class (2000-2006) — CL500, CL55, CL600 SAMR230 SL-Class (2003-2012) — SL500, SL550, SL55 SAMW221 S-Class (2007-2013) — front SAMC216 CL-Class (2007-2014) — front SAM (W221 family)

M-Class, GL, GLE & R-Class

W164 ML-Class (2006-2011) — ML350, ML500, ML63 AMG front SAMW164 ML-Class (2006-2011) — rear SAM (cargo area)X164 GL-Class (2007-2012) — GL450, GL550 front & rear SAMW251 R-Class (2006-2013) — shares the W164 SAM familyW166 ML / GLE (2012-2019) — front SAMX166 GL / GLS (2013-2019) — front SAM

Sprinter van — Temic SAM fuse box

2006-2013 Mercedes-Benz Sprinter (W906) — Temic SAM fuse box2007-2009 Dodge Sprinter (W906) — Temic SAM fuse box2010-2013 Freightliner Sprinter — Temic SAM fuse boxCargo, passenger, and cab-chassis variants

Suppliers & positions

Temic SAM variantsHella SAM variantsFront (engine-bay / dash) fuse-box SAMRear (trunk / cargo-floor) fuse-box SAMDonor must match the Mercedes part number on your label

Failure patterns we see

Water intrusion into a trunk / cargo-floor rear SAMCorroded pins and internal traces from moistureRandom exterior / interior lighting faultsWipers, turn signals, or crank enable dropping out"SAM control unit" / control-module fault codes

Best for

Flooded rear SAM being replaced with a used donorA used SAM installed but the car has faults or won't crankA SAM that still responds but is failing — clone it before it diesAvoiding 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

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 $24.95, 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

Both shipping labels — to the lab and back to you — are purchased the moment you order. Your prepaid inbound label (already addressed) arrives by email; the return 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.

View Programming Kits Request Remote Programming

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?

SAM stands for Signal Acquisition & Actuation Module (in German, Signalerfassungs- und Ansteuermodul). Mercedes uses front and rear SAM units built into the fuse boxes to read switch inputs and drive the lighting, turn signals, wipers, and power distribution. When a SAM fails you get random electrical faults and often a "SAM control unit" code. Supplied by Temic and Hella depending on the model.

Why can't I just plug in a used SAM from a scrapyard?

Two reasons. A brand-new SAM ships blank and has to be coded, and a plain used SAM still carries the donor car's coding and configuration, so it won't match your car. Cloning copies your original SAM's coding and data onto the used donor so it behaves like the unit that failed — plug and play for your VIN.

My rear SAM got wet in the trunk — is that common?

Very. On many Mercedes the rear SAM sits low in the trunk or cargo floor, so a leaking seal, clogged sunroof or body drain, or a blocked channel lets water pool right onto it. The corrosion that follows throws random lighting, wiper, and no-crank faults. As long as the original still powers up we can usually clone it out onto a clean donor before it dies completely.

Do you supply the donor SAM?

No — you source a used donor (eBay, salvage yard, parts recycler) and we verify compatibility before you buy or ship. Match the Mercedes part number on the label as closely as possible; send us photos of both labels plus your VIN and a technician confirms the pair will work.

My original SAM is completely dead — can you still clone it?

Only if it still powers up and responds. Cloning copies data OUT of your original, so a unit that is internally dead or unreadable cannot be cloned — there is nothing to read. If yours is that far gone, contact us with your VIN and symptoms and we'll tell you honestly whether a read is possible before you ship anything.

Is this on-car coding or a bench clone?

It is a bench data clone — we read your original and write its coding and configuration onto the donor. It is not on-car SCN or variant coding. On most SAM jobs the clone drops in without further coding, but where your specific variant differs a shop or dealer SCN/variant session may still apply at install, and we tell you up front if your job falls in that category.

Does the immobilizer or component protection stay intact?

Yes. Where a SAM carries component protection or an immobilizer relationship, cloning preserves it — this is not a delete or a security bypass. That is also why proof of ownership is required before any security-related work begins.

How much is it and how does the mail-in work?

It is $350 flat. After a technician verifies your VIN and both SAM part labels, you ship the units to Auto Module Lab in Arlington, TX. We clone on the bench, test communication, and ship everything back with tracking — return speed your choice at checkout (Standard $24.95, UPS 2-Day $54.95, or UPS overnight $94.95).

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