6 detailed photos of the actual item — this exact part is what ships.
From donor vehicle 2011 Mercedes E350 (stock VV0425).
Shop all parts from this car →2011 Mercedes E350
11-12 MERCEDES E350 E550 CLS550 (W212 W218) REAR SIGNAL ACQUISITION MODULE SAM
$67.68
List $71.24
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Free 90-day warranty & 90-day any-reason returns on everything.
Order by 11 AM Pacific and your order ships today.
Estimated arrival: Monday, July 20 to Friday, July 24 — it's common for this to vary by a day or two.
Genuine OEM — exact item pictured. The photos show the actual factory-original part you’ll receive — inspected, cleaned, and carefully packed.
Viking Item ID
V51929
Programming or relearn may be needed.
This part type typically requires dealer or specialty European auto shop programming, coding, or a relearn procedure after installation and may not function until that's done.
Does this fit my vehicle?
Paste your 17-character VIN — it’s on your registration, insurance card, or the driver’s-door jamb.
We verify factory/OEM fitment only — upgrades, retrofits, and custom applications may need parts or coding we can’t verify or guarantee.
Item Specifics
- Donor vehicle
- 2011 Mercedes E350
- Donor VIN
- WDDHF8HB0BA433083
- Donor miles
- 134,335
- Part number (OEM)
- 2129005001
- Interchange #
- 591-53921
- Brand
- Mercedes (Genuine OEM)
- Stock #
- VV0425
- Viking Item ID
- V51929
REAR, SIGNAL ACQUISITION MODULE, SAM
- ✓These photos show the exact individual part you'll receive — no stock photos
- ✓Genuine OEM — factory-original parts
- ✓Inspected before listing — engines & transmissions tested by an ASE Master Mechanic
- ✓FREE 90-day warranty & 90-day any-reason returns — we cover return shipping for eligible lower-48 + DC orders, freight included (details)
- ✓Order by 11 AM Pacific on a business day — ships that same day (holidays excluded)
- ✓Want longer coverage? Extended warranties to 180 or 365 days — see options
Ask about this part / verify fitment — free, no pressure
Compatible Vehicles (67)
Verified Hollander interchange fitment — the same stickered, tracked compatibility data our listing crew uses. Scroll inside the table; no page-flipping. Not sure? Use the VIN check above and we’ll confirm.
| Year | Make | Model | Trim | Engine | Notes |
|---|---|---|---|---|---|
| 2012 | Mercedes-Benz | CLS550 | 4Matic Sedan 4-Door | 4.7L 4663CC 285Cu. In. V8 GAS DOHC Turbocharged | 218 TYPE, LAMP, CLS63, SIGNAL ACTIVATION MODULE, TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | CLS550 | Base Sedan 4-Door | 4.7L 4663CC 285Cu. In. V8 GAS DOHC Turbocharged | 218 TYPE, LAMP, CLS63, SIGNAL ACTIVATION MODULE, TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | CLS63 AMG | Base Sedan 4-Door | 5.5L 5461CC 333Cu. In. V8 GAS DOHC Turbocharged | 218 TYPE, LAMP, CLS63, SIGNAL ACTIVATION MODULE, TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E250 | Avantgarde Sedan 4-Door | 1.8L 1796CC 110Cu. In. l4 GAS DOHC Turbocharged | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E250 | Avantgarde Sedan 4-Door | 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E250 | Base Convertible 2-Door | 1.8L 1796CC 110Cu. In. l4 GAS DOHC Turbocharged | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E250 | Base Convertible 2-Door | 3.5L 3498CC 213Cu. In. V6 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E250 | Base Convertible 2-Door | 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E250 | Base Coupe 2-Door | 1.8L 1796CC 110Cu. In. l4 GAS DOHC Turbocharged | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E250 | Base Coupe 2-Door | 3.5L 3498CC 213Cu. In. V6 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E250 | Base Coupe 2-Door | 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E250 | Sport Sedan 4-Door | 1.8L 1796CC 110Cu. In. l4 GAS DOHC Turbocharged | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E250 | Sport Sedan 4-Door | 3.5L 3498CC 213Cu. In. V6 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E250 | Avantgarde Sedan 4-Door | 1.8L 1796CC 110Cu. In. l4 GAS DOHC Turbocharged | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E250 | Avantgarde Sedan 4-Door | 3.5L 3498CC 213Cu. In. V6 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E250 | Base Convertible 2-Door | 1.8L 1796CC 110Cu. In. l4 GAS DOHC Turbocharged | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E250 | Base Convertible 2-Door | 3.5L 3498CC 213Cu. In. V6 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E250 | Base Convertible 2-Door | 4.7L 4663CC 285Cu. In. V8 GAS DOHC Turbocharged | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E250 | Base Convertible 2-Door | 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E250 | Base Coupe 2-Door | 1.8L 1796CC 110Cu. In. l4 GAS DOHC Turbocharged | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E250 | Base Coupe 2-Door | 3.5L 3498CC 213Cu. In. V6 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E250 | Base Coupe 2-Door | 4.7L 4663CC 285Cu. In. V8 GAS DOHC Turbocharged | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E250 | Base Coupe 2-Door | 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E250 | Base Sedan 4-Door | 1.8L 1796CC 110Cu. In. l4 GAS DOHC Turbocharged | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E250 | Base Sedan 4-Door | 3.5L 3498CC 213Cu. In. V6 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E250 | Base Sedan 4-Door | 4.7L 4663CC 285Cu. In. V8 GAS DOHC Turbocharged | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E250 | Base Sedan 4-Door | 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E300 | Avantgarde Sedan 4-Door | 3.0L 2996CC 183Cu. In. V6 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E300 | 4Matic Sedan 4-Door | 3.5L 3498CC V6 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E350 | 4Matic Sedan 4-Door | 3.5L 3498CC V6 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E350 | 4Matic Wagon 4-Door | 3.5L 3498CC V6 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E350 | Base Convertible 2-Door | 3.5L 3498CC V6 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E350 | Base Coupe 2-Door | 3.5L 3498CC V6 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E350 | Base Sedan 4-Door | 3.5L 3498CC V6 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E350 | Bluetec Sedan 4-Door | 3.0L 2987CC V6 DIESEL DOHC Turbocharged | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E350 | Elegance Sedan 4-Door | 3.5L 3498CC V6 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E350 | 4Matic Coupe 2-Door | 3.5L 3498CC V6 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E350 | 4Matic Sedan 4-Door | 3.5L 3498CC V6 FLEX DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E350 | 4Matic Sedan 4-Door | 3.5L 3498CC V6 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E350 | 4Matic Wagon 4-Door | 3.5L 3498CC V6 FLEX DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E350 | 4Matic Wagon 4-Door | 3.5L 3498CC V6 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E350 | Base Convertible 2-Door | 3.5L 3498CC V6 FLEX DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E350 | Base Convertible 2-Door | 3.5L 3498CC V6 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E350 | Base Coupe 2-Door | 3.5L 3498CC V6 FLEX DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E350 | Base Coupe 2-Door | 3.5L 3498CC V6 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E350 | Base Sedan 4-Door | 3.5L 3498CC V6 FLEX DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E350 | Base Sedan 4-Door | 3.5L 3498CC V6 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E350 | Bluetec Sedan 4-Door | 3.0L 2987CC V6 DIESEL DOHC Turbocharged | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E500 | Base Convertible 2-Door | 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E500 | Base Coupe 2-Door | 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E500 | Base Sedan 4-Door | 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E500 | Base Convertible 2-Door | 4.7L 4663CC 285Cu. In. V8 GAS DOHC Turbocharged | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E500 | Base Convertible 2-Door | 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E500 | Base Coupe 2-Door | 4.7L 4663CC 285Cu. In. V8 GAS DOHC Turbocharged | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E500 | Base Coupe 2-Door | 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E500 | Base Sedan 4-Door | 4.7L 4663CC 285Cu. In. V8 GAS DOHC Turbocharged | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E500 | Base Sedan 4-Door | 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E550 | 4Matic Sedan 4-Door | 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E550 | Base Convertible 2-Door | 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E550 | Base Coupe 2-Door | 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E550 | Base Sedan 4-Door | 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E550 | 4Matic Sedan 4-Door | 4.7L 4663CC 285Cu. In. V8 GAS DOHC Turbocharged | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E550 | Base Convertible 2-Door | 4.7L 4663CC 285Cu. In. V8 GAS DOHC Turbocharged | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E550 | Base Coupe 2-Door | 4.7L 4663CC 285Cu. In. V8 GAS DOHC Turbocharged | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2011 | Mercedes-Benz | E63 AMG | Base Sedan 4-Door | 6.3L 6208CC V8 GAS DOHC Naturally Aspirated | 212 TYPE, LAMP, SDN, E63, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E63 AMG | Base Sedan 4-Door | 5.5L 5461CC 333Cu. In. V8 GAS DOHC Turbocharged | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |
| 2012 | Mercedes-Benz | E63 AMG | Base Wagon 4-Door | 5.5L 5461CC 333Cu. In. V8 GAS DOHC Turbocharged | 212 TYPE, LAMP, SDN, E300, (SIGNAL ACTIVATION MODULE), TRUNK, ID 2129005001 |