Mercedes-Benz Fuse Relay Box Signal Activation Module (SAM/SRB) Front 2129003414
OEM Part #: 212-900-34-14 (2129003414)
This page covers one exact OEM part number. Every unit we stocked has sold.
Programming required: this module must be coded to your VIN by a dealer or with the proper diagnostic tool before it will work.
We may be able to get another
Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:
Other BCM / Body Control Modules / Computers / Fuse / Relay Box that may fit your vehicle
Fuse Box / Holder
$49.99
Fits 2014–2025 Mercedes-Benz
OEM: 2135400414
Fuse Box / Holder Module Wiring Connector Pigtail
$16.99
Fits 2010–2015 Mercedes-Benz GLK350
Power Distribution / Fuse Box
Starting at $23.49
Fits 2015–2019 Mercedes-Benz
OEM: 2055402850
Relay / Fuse Box
Starting at $71.49
Fits 2014–2019 Mercedes-Benz
OEM: 2225402250
Relay / Fuse Box Module (SAM)
$63.49
Fits 2010–2018 Mercedes-Benz
OEM: 2129005001
Upper Fuse / Relay Box Cover
$23.99
Fits 2015–2023 Mercedes-Benz
OEM: 2055402328
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The Fuse Relay Box Signal Activation Module (OEM Part Number 2129003814) serves as a crucial component for electrical signal control in various Mercedes-Benz models. Located at the front of the vehicle, this module facilitates proper functioning of electrical systems by managing the relay activation processes. Common issues resolved by this authentic OEM part include erratic electrical behavior, malfunctioning features, or complete electrical failure due to worn or damaged relays. This module is compatible with Mercedes-Benz models such as the CLS500 (2012-2018), C350, C63 AMG (2008-2015), and E-Class variants (2010-2017). Part alternatives include 2129006824 and 2129005822, ensuring a perfect fit for your vehicle's needs.
Specifications
| Fits Vehicle Model | C250, C300, C350, C63 AMG, CLS400, CLS63 AMG, CLS63 AMG S, E350, E400, E550, GLK350, SLK250, SLK350, SLK55 AMG, SLS AMG |
| Fits Vehicle Make | Mercedes-Benz |
| OEM Part No | 212-900-34-14 (2129003414) |
| Compatible OEM Part No | 212-900-38-14, 212-900-68-24, 212-900-58-22 |
| Side | Front |
| Category | Relay / Fuse |
Compatible Vehicles
Fits 101 vehicle configurations across 1 make, 2008-2017.
Check your specific vehicle before ordering.
This list shows year, make, and model. Some years have multiple trims or
engines that use different parts, and individual listings may have
additional fitment notes (e.g. “with sunroof only”). Review
the full variant list below, or
message us with your VIN
and we’ll confirm the match.
View all 101 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2008 | Mercedes-Benz | C300 | Sedan | 3.0L V6 | |
| 2008 | Mercedes-Benz | C350 | Sedan | 3.5L V6 | |
| 2008 | Mercedes-Benz | C63 AMG | Sedan | 6.3L V8 | |
| 2009 | Mercedes-Benz | C300 | Sedan | 3.0L V6 | |
| 2009 | Mercedes-Benz | C350 | Sedan | 3.5L V6 | |
| 2009 | Mercedes-Benz | C63 AMG | Sedan | 6.3L V8 | |
| 2010 | Mercedes-Benz | C300 | Sedan | 3.0L V6 | |
| 2010 | Mercedes-Benz | C350 | Sedan | 3.5L V6 | |
| 2010 | Mercedes-Benz | C63 AMG | Sedan | 6.3L V8 | |
| 2010 | Mercedes-Benz | E350 | Coupe | 3.5L V6 | |
| 2010 | Mercedes-Benz | E550 | Coupe | 5.5L V8 | |
| 2010 | Mercedes-Benz | GLK350 | SUV | 3.5L V6 | |
| 2011 | Mercedes-Benz | C300 | Sedan | 3.0L V6 | |
| 2011 | Mercedes-Benz | C350 | Sedan | 3.5L V6 | |
| 2011 | Mercedes-Benz | C63 AMG | Sedan | 6.3L V8 | |
| 2011 | Mercedes-Benz | E350 | Convertible | 3.5L V6 | |
| 2011 | Mercedes-Benz | E350 | Coupe | 3.5L V6 | |
| 2011 | Mercedes-Benz | E550 | Coupe | 5.5L V8 | |
| 2011 | Mercedes-Benz | GLK350 | SUV | 3.5L V6 | |
| 2011 | Mercedes-Benz | SLS AMG | Coupe | 6.3L V8 | |
| 2012 | Mercedes-Benz | C250 | Coupe | 1.8L l4 Turbo | |
| 2012 | Mercedes-Benz | C250 | Sedan | 1.8L l4 Turbo | |
| 2012 | Mercedes-Benz | C300 | Sedan | 3.0L V6 | |
| 2012 | Mercedes-Benz | C350 | Coupe | 3.5L V6 | |
| 2012 | Mercedes-Benz | C350 | Sedan | 3.5L V6 | |
| 2012 | Mercedes-Benz | C63 AMG | Coupe | 6.3L V8 | |
| 2012 | Mercedes-Benz | C63 AMG | Sedan | 6.3L V8 | |
| 2012 | Mercedes-Benz | CLS63 AMG | Sedan | 5.5L V8 Turbo | |
| 2012 | Mercedes-Benz | E350 | Coupe | 3.5L V6 | |
| 2012 | Mercedes-Benz | E350 | Convertible | 3.5L V6 | |
| 2012 | Mercedes-Benz | E550 | Convertible | 4.7L V8 Turbo | |
| 2012 | Mercedes-Benz | E550 | Coupe | 4.7L V8 Turbo | |
| 2012 | Mercedes-Benz | GLK350 | SUV | 3.5L V6 | |
| 2012 | Mercedes-Benz | SLK250 | Convertible | 1.8L l4 Turbo | |
| 2012 | Mercedes-Benz | SLK350 | Convertible | 3.5L V6 | |
| 2012 | Mercedes-Benz | SLK55 AMG | Convertible | 5.5L V8 | |
| 2012 | Mercedes-Benz | SLS AMG | Convertible | 6.3L V8 | |
| 2012 | Mercedes-Benz | SLS AMG | Coupe | 6.3L V8 | |
| 2013 | Mercedes-Benz | C250 | Coupe | 1.8L l4 Turbo | |
| 2013 | Mercedes-Benz | C250 | Sedan | 1.8L l4 Turbo | |
| 2013 | Mercedes-Benz | C300 | Sedan | 3.5L V6 | |
| 2013 | Mercedes-Benz | C350 | Coupe | 3.5L V6 | |
| 2013 | Mercedes-Benz | C350 | Sedan | 3.5L V6 | |
| 2013 | Mercedes-Benz | C63 AMG | Coupe | 6.3L V8 | |
| 2013 | Mercedes-Benz | C63 AMG | Sedan | 6.3L V8 | |
| 2013 | Mercedes-Benz | CLS63 AMG | Sedan | 5.5L V8 Turbo | |
| 2013 | Mercedes-Benz | E350 | Coupe | 3.5L V6 | |
| 2013 | Mercedes-Benz | E350 | Convertible | 3.5L V6 | |
| 2013 | Mercedes-Benz | E550 | Convertible | 4.7L V8 Turbo | |
| 2013 | Mercedes-Benz | E550 | Coupe | 4.7L V8 Turbo | |
| 2013 | Mercedes-Benz | GLK350 | SUV | 3.5L V6 | |
| 2013 | Mercedes-Benz | SLK250 | Convertible | 1.8L l4 Turbo | |
| 2013 | Mercedes-Benz | SLK350 | Convertible | 3.5L V6 | |
| 2013 | Mercedes-Benz | SLK55 AMG | Convertible | 5.5L V8 | |
| 2013 | Mercedes-Benz | SLS AMG | GT Convertible | 6.3L V8 | |
| 2013 | Mercedes-Benz | SLS AMG | GT Coupe | 6.3L V8 | |
| 2014 | Mercedes-Benz | C250 | Coupe | 1.8L l4 Turbo | |
| 2014 | Mercedes-Benz | C250 | Sedan | 1.8L l4 Turbo | |
| 2014 | Mercedes-Benz | C300 | Sedan | 3.5L V6 | |
| 2014 | Mercedes-Benz | C350 | Coupe | 3.5L V6 | |
| 2014 | Mercedes-Benz | C350 | Sedan | 3.5L V6 | |
| 2014 | Mercedes-Benz | C63 AMG | Coupe | 6.3L V8 | |
| 2014 | Mercedes-Benz | C63 AMG | Sedan | 6.3L V8 | |
| 2014 | Mercedes-Benz | CLS63 AMG | Sedan | 5.5L V8 Turbo | |
| 2014 | Mercedes-Benz | CLS63 AMG S | Sedan | 5.5L V8 Turbo | |
| 2014 | Mercedes-Benz | E350 | Coupe | 3.5L V6 | |
| 2014 | Mercedes-Benz | E350 | Convertible | 3.5L V6 | |
| 2014 | Mercedes-Benz | E550 | Convertible | 4.7L V8 Turbo | |
| 2014 | Mercedes-Benz | E550 | Coupe | 4.7L V8 Turbo | |
| 2014 | Mercedes-Benz | GLK350 | SUV | 3.5L V6 | |
| 2014 | Mercedes-Benz | SLK250 | Convertible | 1.8L l4 Turbo | |
| 2014 | Mercedes-Benz | SLK350 | Convertible | 3.5L V6 | |
| 2014 | Mercedes-Benz | SLK55 AMG | Convertible | 5.5L V8 | |
| 2014 | Mercedes-Benz | SLS AMG | Coupe | 6.3L V8 | |
| 2014 | Mercedes-Benz | SLS AMG | GT Convertible | 6.3L V8 | |
| 2014 | Mercedes-Benz | SLS AMG | GT Coupe | 6.3L V8 | |
| 2015 | Mercedes-Benz | C250 | Coupe | 1.8L l4 Turbo | |
| 2015 | Mercedes-Benz | C350 | Coupe | 3.5L V6 | |
| 2015 | Mercedes-Benz | C63 AMG | Coupe | 6.3L V8 | |
| 2015 | Mercedes-Benz | CLS400 | Sedan | 3.0L V6 Turbo | |
| 2015 | Mercedes-Benz | E400 | Coupe | 3.0L V6 Turbo | |
| 2015 | Mercedes-Benz | E400 | Convertible | 3.0L V6 Turbo | |
| 2015 | Mercedes-Benz | E550 | Convertible | 4.7L V8 Turbo | |
| 2015 | Mercedes-Benz | E550 | Coupe | 4.7L V8 Turbo | |
| 2015 | Mercedes-Benz | GLK350 | SUV | 3.5L V6 | |
| 2015 | Mercedes-Benz | SLK250 | Convertible | 1.8L l4 Turbo | |
| 2015 | Mercedes-Benz | SLK350 | Convertible | 3.5L V6 | |
| 2015 | Mercedes-Benz | SLK55 AMG | Convertible | 5.5L V8 | |
| 2015 | Mercedes-Benz | SLS AMG | GT Convertible | 6.3L V8 | |
| 2015 | Mercedes-Benz | SLS AMG | GT Coupe | 6.3L V8 | |
| 2016 | Mercedes-Benz | CLS400 | Sedan | 3.0L V6 Turbo | |
| 2016 | Mercedes-Benz | E400 | Coupe | 3.0L V6 Turbo | |
| 2016 | Mercedes-Benz | E400 | Convertible | 3.0L V6 Turbo | |
| 2016 | Mercedes-Benz | E550 | Convertible | 4.7L V8 Turbo | |
| 2016 | Mercedes-Benz | E550 | Coupe | 4.7L V8 Turbo | |
| 2016 | Mercedes-Benz | SLK350 | Convertible | 3.5L V6 | |
| 2016 | Mercedes-Benz | SLK55 AMG | Convertible | 5.5L V8 | |
| 2017 | Mercedes-Benz | E400 | Coupe | 3.0L V6 Turbo | |
| 2017 | Mercedes-Benz | E400 | Convertible | 3.0L V6 Turbo | |
| 2017 | Mercedes-Benz | E550 | Convertible | 4.7L V8 Turbo | |
| 2017 | Mercedes-Benz | E550 | Coupe | 4.7L V8 Turbo |