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20 Best Mercedes W211 Auxiliary Battery Relay of 2023 – Romance University

After hours researching and comparing all models on the market, Romance University finds out the Best Mercedes W211 Auxiliary Battery Relay of 2023. Check our ranking below.

2,153 Reviews Scanned

Rank No. #1

ZONEONE Automotive Relay V23132-A2001-A200 OEM Replacement for BMW, Ford, VW, Rolls-Royce, Mercedes-Benz 【Made in Taiwan】

Automotive relay OEM replacement for BMW. Perfectly fits your car
High thermal stability, OEM quality safe and durable
OEM quality automotive relay replacement, made in Taiwan and won Taiwan Excellence Award
ANNOUNCEMENT: Please carefully verify your year & make & model in the product description or check your parts pictures & parts No. with ours before purchasing, so as to prevent buying wrong and unnecessary expenses. If your not sure or don't know, please contact us.

Rank No. #2

WMAutoPart Auxiliary Battery Relay 12077867

Rapidly dissipates heat for cooler operating temperatures and longer part life
Precise short-circuit protection
Mounting and connectors identical to OE
OE form, fit and function for precise fit and reliable operation
Precise fit and size for ease of installation

Rank No. #3

BLAU GRUN 4 Pin 12V 30A Relay Multi-Purpose Automotive Relay Heavy Duty Standard Relay for Car Motor, Auto Universal Replacement Accessories

[Reliable Quality] The black shell is made of nylon material, which is electrical insulation, and the pin is made of brass, which can withstand cold and hot condition. Very durable and sturdy in use, no deformation and rust, perfectly made for long-term use.
[Specification] The size is 1.41 x 0.94 x 0.63 inch/ 3.6 x 2.4 x 1.6 cm approximately. Our 30A 12V relay can be used to control the circuits of components with high amperage loads on vehicle, such as headlights, fuel pumps and cooling fans.
[Easy to Use] Our motor relayis suitable for normal antomobile to use, simple operation, you only need to connect the relay and wire, no need other tools, very convenient and easy to use and replace, allow components work normally.
[Application] Our product can be applied to car tail light, engine compartment, electric cooling fans, electric water pumps, electric fuel pumps, shaved door handles solenoids, trunk solenoids and more equipment.
[Customer Service] You will receive 4 pieces 12V 30A 5 pin relays. We offer 12-month warranty for every order, you can buy with confidence. If you have any questions and concerns, please feel free to let us know, our team will respond asap!

Rank No. #4

Starter Relay Fits Mercedes-Benz

Designed With The Latest Software And Manufactured With Modern Tooling
Check Vehicle Fitment using the Fitment Search Tool at the Top of This Page
Direct Fit Replacement
Installs The Same As Factory Unit
Same Dimensions as Original Vehicle Parts

Rank No. #5

5 Pin 12V Relay 12V 30A Relay Multi-Purpose Automotive Starter Relay Heavy Duty Standard Relay for Car Motor, Auto Replacement Accessories (4 Packs)

High Quality: Made of high-temperature flame-retardant plastic, more safe and reliable.
Silver Alloy Pin: Increase the stability and sensitivity of contact, stronger conductivity, and greater current carrying capacity.
Product number: The product is not suitable for all models and brands, please check the specifications carefully to confirm whether it is applicable before purchasing, the product is 12V 30A 5 Pin Relay.
Widely Use: the 30A 12V automotive relay can be applied to control electrical circuits for components on a vehicle that have a high amperage load, such as headlights, fuel pumps and cooling fans
Package Include: 4 PCS 5 pin relays, the size is about 1.41 x 0.94 x 0.63 inch/ 3.6 x 2.4 x 1.6 cm, which can fully meet your daily use and replacement.

Rank No. #6

irhapsody 1 Pack 40/30 AMP 12V DC Waterproof Relay and Harness - Heavy Duty 12 AWG Tinned Copper Wires, 5-PIN SPDT Automotive Relay

Never go beyond its capabilities. Try to stay 10 to 15% below what the rate is for
12-volt 5-prong relay. Excellent water-repellent and dustproof ability, but not using it in water
Be careful when plugging the relay into the socket. If you push hard, you will bend the female connector
Primary leads use 12 a.w.g tinned copper wire. Coil leads use 16 a.w.g
SPDT relay: it has both normally open and normally closed terminals, terminal 87A is powered when the relay is inactive and switches the power to terminal 87 when the relay is activated

Rank No. #7

Tallew 5 Pin 12V Relay 12V 30A Relay Multi Purpose Automotive Relay Black Starter Relay Car Heavy Duty Relay for Car Motor Automotive Replacement Accessories (2 Pieces)

Product number: The product is not suitable for all models and brands, please check the specifications carefully to confirm whether it is applicable before purchasing,The product model is JD1914-12V-30A, 12V 30A SPDT 5 Pin Relay
Sufficient for using: 5 pin! 5 pin! 5 pin! you will receive 2 pieces 12V 30A 5 pin relays, the size is about 1.02 x 0.94 x 0.63 inch/ 2.6 x 2.4 x 1.6 cm, enough quantity can meet your daily use and replacement, you can share them with your friends and family who need them, these relays are 5 plug please note when ordering
Easy to use: the motor relay is suitable for normal automobile use and simple to operate, you just need to connect the relay with the wire, no other tools needed, convenient for your use and replace, allowing your components to work properly
Specifications information: 30A 12V Relay can be applied to control electrical circuits for components on a vehicle that have a high amperage load, such as headlights, fuel pumps and cooling fans
Extensive usages: the automotive relay is practical and convenient, can be applied to car tail light, engine compartment, electric cooling fans, electric water pumps, electric fuel pumps, shaved door handles solenoids, trunk solenoids and other equipment

Rank No. #8

EHDIS Car Relay 4 Pin 12v 40amp Spst Model No.: JD2912-1H-12VDC 40A 14VDC, Auto Switches & Starters，Pack of 5

Heavy duty 4-prongs SPST relays
Use optional Relay Harness, or female Crimp Connectors
High 40A coil capacity- able to handle those high current applications with ease
Package Include: 5 x 40A 4-Pin 12V Vehicle Relays
Mechanical life of 10,000+ cycles

Rank No. #9

EHDIS Car Relay 4 Pin 12v 40amp Spst Model No.: JD2912-1H-12VDC 40A 14VDC, Auto Switches & Starters,Pack of 2

Heavy duty 4-prongs SPST relays, jd1912 12v 40a relay
Use optional Relay Harness, or female Crimp Connectors
High 40A coil capacity- able to handle those high current applications with ease
Package Include: 2 x 40A 4-Pin 12V Vehicle Relays
The Automotive relay is suitable for normal automobile use and simple to operate, you just need to connect the relay with the wire, no other tools needed, convenient for your use and replace, allowing your components to work properly

SaleRank No. #10

Miytsya 2 Pack Car 5 Pin Relay Switch 12V 30A SPST, Waterproof Stable Relay, Multi-Purpose Relay Heavy Duty Standard Relay Kit, Universal for Car Motor Replacement Accessories (Black)

★ Specifications: You will receive 2/4 12V 30A 5-pin relays measuring approximately 1.41 x 0.94 x 0.63 inches / 3.6 x 2.4 x 1.6 cm. The 30A 12V relays can be used to control the circuits of components in vehicles with high current loads, such as headlights, fuel pumps and cooling fans.
★ Quality Material: The power relay assembly is made of High quality composite and the pins are made of brass to withstand hot and cold conditions. Durable, rugged, unbreakable and corrosion resistant, they will support you for a long time and are suitable for replacement and repair of AC relays.
★ Smooth Running: The housing is protected from harsh temperatures and hood conditions, for extended wear. All parts are manufactured to exacting quality requirements. Relays play an important role in the ever-increasing number of automotive electronics.
★ Widely Used: Starter relays can be commonly used in air conditioning compressor fan motors, starters, headlights, horns, ignitions, fog lights, headlights, fans, rear window defrosters, blower motors, cargo lights, running lights, oxygen (O2) sensor relays, fuel pump/disconnect relays, and other accessories.
★ Easy to Use: The motor relay is suitable for normal automobile use and simple to operate, you just need to connect the relay with the wire, no other tools needed, convenient for your use and replace, allowing your components to work properly.

Rank No. #11

EPLZON JD1912 Relay 4 Pin 40A 12V SPST Car Truck Van Motorcycle Boat Relay (Pack of 2 pcs)

✅Product Name：JD1912 Automotive DC 4 Pin 12V 40A SPST electrical relay Relay,high quality copper coils and silver contacts create excellent electrical conductivity
✅Contact Rating: NO: DC 12V 40A , NC : DC 12V 30A
✅Pin Specifications: 30-High power feed,85-Relay coil ground,86-relay coil feed(trigger wire),87-high power output(normally open contact）
✅Function: This relay will eliminate a high voltage drop in the wire, so it allows your components to work properly.50A high coil capacity can easily handle those high current applications
✅Application: Widely used to install electric cooling fans,Horns, Shaved door handles solenoids, Electric fuel pumps, Electric water Pumps, Trunk solenoids, automotive setups,security systems,car sound systems,and various other applications.

Rank No. #12

HELLA 008188021 Glow Plug Relay - Mercedes Benz

High Quality HELLA OE Replacement Parts
Mercedes Benz
Over 100 years of excellence in automotive lighting
Conveniently packaged
Included components: hella 008188021 relay glow mb 300d,cd,sd,td

Rank No. #13

EHDIS 5 Pin Relay 12V 30A SPDT Multi-Purpose Relay Heavy Duty Standard Relay Kit Pack of 2 Model JD1914-12V-30A

12V 30A 5-Prongs High-current welded connections for reliability,model JD1914-12V-30A
Standard is a global manufacturer of original equipment ignition products; complete quality control is maintained through the manufacturing process from componentry to finished product
High quality composite housings protect against harsh temperatures and severe under hood conditions
Featuring brass or copper contacts where specified for extended wear
All parts are manufactured to stringent quality requirements. Relays play a large role in the ever increasing amount of electronics in automobiles.

Rank No. #14

KIPPUO Car Relay Glow Plug System Compatible with Mercedes Class Model S211 W211 W204 S204 6461532579 A6461532579 2502195

1. Automotive relays
2. Item number: 6461532579 A6461532579
3. Made of high quality ABS material, durable
4. Easy to install, can be installed without any modification
5. Exquisite workmanship, strong texture, clear lines and fashionable appearance.

Rank No. #15

YiePhiot 2 Pack Car Relay 4 Pin 12V 40 Amp Model No : JD2912-1H-12VDC 40A 14VDC, Car Relay Switch Auto Switches & Starters

Brand new Car Relay 4 Pin 12v 40amp Model No : JD2912-1H-12VDC 40A 14VDC
Use optional Relay Harness, or female Crimp Connectors
Hundreds of uses include- starter kills, domelight supervision, trunk release, polarity change,power door lock/actuator control, change a low current output to high current,add ignition/accessory outputs, control motors/other electronics, It is Also suitable for automobile used for control, alarms, horn, headlight and more....
Package Include: 2 x 40A 4-Pin 12V Vehicle Relays,
Mechanical life of 10,000+ cycles

Rank No. #16

Gebildet JD1912 Car Relay Harness 12V 40A 4 Pin SPST Harness Sockets with Color-labeled Wires for Automotive Truck Van Motorcycle Boat (Pack of 2)

Brand new heavy duty SPST(Single Pole Single Throw) relays with color-labeled wires.
Minimum operating voltage 8V, corresponding minimum operating current is 100mA; Standard operating voltage 12V, corresponding standard operating current is 150mA.
Small size/Low power consumption/High contact voltage/ High sensitivity.
Contact Material: Ag Alloy / Contact Resistance: ≤ 100MΩ.
Life Expectancy Electrical: 100,000 Operation, Life Expectancy Mechanical: 10,000,000 Operation.

SaleRank No. #17

Nilight SPDT Relay Replacement 12V 5 Prong SPDT Auto Tilt Trim Relay (Pack of 10) 40/30 AMP Electrical Power Relay Switch 5 Pin Bosch Style Relay for Automotive Cars Marine Boats,2 Years Warranty

5 Pin SPDT (Single Pole Double Throw) Bosch Style Electrical Relay.
40A/30A High Switching Capability. These relays have a universal application and can be used in a 12 Volt DC power source, such as automotive setups, car sound systems, security systems, and various other applications.
Pin Specifications: 30V DC. Ground (85), Trigger (86), Output N/C (87a), and Output N/O (87).
Maximum Applied Voltage: 15.6 V DC; Max Operating Voltage is 27V DC; Nominal Coil Voltage: 12 V DC; Max Operating Current: 40A; Must Operate Voltage: 6~8 V DC; Must Release Voltage: 0.6~3.6 V DC; Coil Power: 1.8 W; Coil Resistance: 80 Ω; Insulation Resistance: 100MΩ
Package include: 10 pack electrical relays. Sockets are not included. 2 Year Warranty by Nilight.

Rank No. #18

Nilight 50023R 5 Pack 30A Fuse Relay car Truck Socket kit-30A Switch Harness Set-12V DC 4-Pin SPST Automotive 14 AWG Hot Wires-Auto Switches & Starters Set,2 Years Warranty

Upgraded Version - Automotive relays built in fuse socket included 30A blade fuses with heavy duty 14AWG wires for main contact. No need of a separate fuse holder, saving space and money. Bosch style 4-Pin SPST (Single Pole Single Throw) Relay.
Mounting Design Feature - The interlocking mounting design of unique male and female slot on each socket edge, connect relays together and manage cables easily, offering clean and neat installation.
Easy Wiring - The relay sockets come with color-labeled wires for load/accessories convenient wiring. Black - Ground (85), Red - VDC (30), White - Trigger (86), Blue - Output N/O (87)
Wide Application - Widely used in car keys power control, over-load protection, trunk release, polarity change, power door lock/actuator control, change a low current output to high current, add ignition/accessory outputs, control motors/other electronics etc.
Set includes 5 relays, 5 relay harnesses, and 5 30A blade fuses. 2 Year Warranty by Nilight.

SaleRank No. #19

Hamolar 2 Pack 12V 40/30 Amp Car Relay DC 5 Pin SPDT and Harness - Heavy Duty 12 AWG Copper Wires Relays Kit Bosch Style for Automotive Truck Van Motorcycle Boat

The 12v relay harness base contains 3*12 AWG and 2*16 AWG cables, length: 5.5 in, which have higher load-bearing capacity and more stable performance.
Function: 12VDC (14V Max) 5 Pin SPDT (Single Pole Double Throw) Relay with 40A/30A High Switching Capability.
Wire Specifications: White - Ground (85), Blue - VDC (30), Black - Trigger (86), Red - Output N/C (87a), and Yellow - Output N/O (87).
The dc car relay adopts waterproof sealing technology at the bottom and a fixed back strip on the back, which is suitable for various complicated installation environments.
Relay and harness kit made by high-grade flame retardant materials to ensure superior quality and long lifespan. 2 Years Warranty.

Rank No. #20

EPLZON JD1914 Relay 12V 40A 5 Pin Car Relay 584416 586147 586224 for Johnson Evinrude OMC Outboard Marine Corp (Pack of 2 Pcs)

✅Product Name：JD1914 Automotive DC 5 Pin 12V 40A SPST electrical relay Relay,high quality copper coils and silver contacts create excellent electrical conductivity
✅Contact Rating: NO: DC 12V 40A , NC : DC 12V 30A
✅Brand new heavy duty 4-prongs SPST relays
✅Pin Specifications: 30-High power feed,85-Relay coil ground,86-relay coil feed(trigger wire),87-high power output(normally open contact),87a-high power output(normally closed contact）
✅Replaces part number：582195, 582472, 582473, 584416, 586147, 586224;Application:Compatible with Johnson，Compatible with Evinrude，Compatible with Outboard Marine Corp and OMC

Last update on 2023-08-20 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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FAQ:

Q: How does the auxiliary battery work on a Mercedes Benz?

A: The auxiliary battery supplies power for a limited time if system charging or battery voltage drops. The battery control module monitors system voltage. If voltage reaches a low point, the auxiliary battery relay closes to connect the battery to the vehicle fuse blocks.

Q: Where is the battery in a Mercedes-Benz W211?

A: The main battery in W211 models is located in the center of the trunk, mounted in a well, below the trunk carpet. The auxiliary battery is located in the right side of the engine compartment, near the HVAC intake. When replacing your battery, be sure to use a high quality unit. Replacing the battery can be done in a short amount of time.

Q: How does the auxiliary battery control module work?

A: The battery control module monitors system voltage. If voltage reaches a low point, the auxiliary battery relay closes to connect the battery to the vehicle fuse blocks. Remember that your car may have been serviced before and had parts replaced with different size fasteners used in the replacement.

Q: How to charge aux battery in Mercedes R230?

A: Put the nocco charger on the battery in the trunk and charged till the charger indicated full. Cleared the code again. Started without the error 3 days in a row. The R230 wants and needs to be started every day or kept on a charger. Click to expand…