Garage
Shop

2009 Mercedes-Benz SLK350

Shop all 2009 Mercedes-Benz SLK350 Car Audio, Speakers, & Electronics

Loading...
Filters
filter-icon Filters & Sort

Race Sport Accessories H7TLED

H7 Terminator Series Fan-less Shallow-mount LED Conversion Headlight Kit with Pinpoint Projection Optical Aims

H7TLED big
Go to item page Right Arrow Icon of Right Arrow

H7 Terminator Series Fan-less Shallow-mount LED Conversion Headlight Kit with Pinpoint Projection Optical Aims

• H7 Fan-less LED Conversion Headlight Kit
• IP67 waterproof rating
• 2000 lux / 2250 lumens per bulb
• See 2-3 times further than stock lighting systems
• Low-mounting depth base design

PRIMETIME SALE! Save at checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $6.90 in rewards to spend later

empty

found car based on your search
This product fits your 2009 SLK350
Was $89.00 Details
$69.00

In stock

Only 1 Left!

• H7 Fan-less LED Conversion Headlight Kit
• IP67 waterproof rating
• 2000 lux / 2250 lumens per bulb
• See 2-3 times further than stock lighting systems
• Low-mounting depth base design

Metra 40-EU10 Antenna Adapter

Install a New Car Stereo and Retain Factory Antenna in select 2000-2017 vehicles from BMW, Mercedes-Benz, Ford

40-EU10 big
Go to item page Right Arrow Icon of Right Arrow

Install a New Car Stereo and Retain Factory Antenna in select 2000-2017 vehicles from BMW, Mercedes-Benz, Ford

• Retains factory antenna for select 2000-2017 vehicles from BMW, Mercedes-Benz, Ford
• Male Motorola on one end
• Male European-style FAKRA connector on the other end
• Easy installation
• No cutting or splicing required

PRIMETIME SALE! Save at checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

found car based on your search
This product fits your 2009 SLK350
44
Was $13.99 Details
$11.99

In stock

• Retains factory antenna for select 2000-2017 vehicles from BMW, Mercedes-Benz, Ford
• Male Motorola on one end
• Male European-style FAKRA connector on the other end
• Easy installation
• No cutting or splicing required

Race Sport Accessories 9006TLED

9006 Terminator Series Fan-less Shallow-mount LED Conversion Headlight Kit with Pin Point Projection Optical Aims

9006TLED big
Go to item page Right Arrow Icon of Right Arrow

9006 Terminator Series Fan-less Shallow-mount LED Conversion Headlight Kit with Pin Point Projection Optical Aims

• 9006 Fan-less LED Conversion Headlight Kit
• IP67 waterproof rating
• 2000 lux / 2250 lumens per bulb
• See 2-3 times further than stock lighting systems
• Low-mounting depth base design

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $6.90 in rewards to spend later

empty

found car based on your search
This product fits your 2009 SLK350
Was $89.00 Details
$69.00

Available

Ships in 10-14 days

• 9006 Fan-less LED Conversion Headlight Kit
• IP67 waterproof rating
• 2000 lux / 2250 lumens per bulb
• See 2-3 times further than stock lighting systems
• Low-mounting depth base design

Raptor AD-EU1 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 2000-2018 vehicles from BMW, Mercedes-Benz, Ford

AD-EU1 big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio for select 2000-2018 vehicles from BMW, Mercedes-Benz, Ford

Antenna to Radio Adapter Cable
• select 2000-2018 vehicles from BMW, Mercedes-Benz, Ford Vehicles
• Factory antenna with mini-style plug to aftermarket radio

PRIMETIME SALE! Save at checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

found car based on your search
This product fits your 2009 SLK350
3
Was $12.99 Details
$10.99

In stock

Antenna to Radio Adapter Cable
• select 2000-2018 vehicles from BMW, Mercedes-Benz, Ford Vehicles
• Factory antenna with mini-style plug to aftermarket radio

Metra 40-EU56 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 2005-2025 vehicles from Audi, Mercedes-Benz, Volkswagen

40-EU56 big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio for select 2005-2025 vehicles from Audi, Mercedes-Benz, Volkswagen

• Amplified Antenna Adapter
• For Use With Aftermarket Radios Installation
• Plug and Play

PRIMETIME SALE! Save at checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

found car based on your search
This product fits your 2009 SLK350
2
Was $24.99 Details
$21.99

In stock

Only 1 Left!

• Amplified Antenna Adapter
• For Use With Aftermarket Radios Installation
• Plug and Play

Dynavin Loop Bypass (MOST LOOP)

MOST Fiber Optic Loop Bypass for Dynavin Stereos in Select Mercedes Benz, BMW, Porsche or Volkswagen Vehicles

Loop Bypass big
Go to item page Right Arrow Icon of Right Arrow

MOST Fiber Optic Loop Bypass for Dynavin Stereos in Select Mercedes Benz, BMW, Porsche or Volkswagen Vehicles

• MOST Fiber Optic Loop Bypass for select Dynavin stereos
• Required accessory for MOST adapters in stereos of fiber optic cars
• Suitable for Mercedes Benz, BMW, Porsche, Skoda or Volkswagen car models

shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

found car based on your search
This product fits your 2009 SLK350
$14.99

In stock.

• MOST Fiber Optic Loop Bypass for select Dynavin stereos
• Required accessory for MOST adapters in stereos of fiber optic cars
• Suitable for Mercedes Benz, BMW, Porsche, Skoda or Volkswagen car models

Scosche VWA3B Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 2000-2018 vehicles from BMW, Mercedes-Benz, Ford

VWA3B big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio for select 2000-2018 vehicles from BMW, Mercedes-Benz, Ford

• select 2000-2018 vehicles from BMW, Mercedes-Benz, Ford Vehicles
• Aftermarket Antenna Male (Motorola Plug) to Factory Radio Female (Proprietary Plug)

PRIMETIME SALE! Save at checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

found car based on your search
This product fits your 2009 SLK350
54
Was $9.44 Details
$8.95

In stock

• select 2000-2018 vehicles from BMW, Mercedes-Benz, Ford Vehicles
• Aftermarket Antenna Male (Motorola Plug) to Factory Radio Female (Proprietary Plug)

Axxess AXDI-MB1 Wiring Interface

Install new car stereo and retains accessory power in select 2001-2018 vehicles from Mercedes-Benz

AXDI-MB1 big
Go to item page Right Arrow Icon of Right Arrow

Install new car stereo and retains accessory power in select 2001-2018 vehicles from Mercedes-Benz

• Provides 12-Volt accessory power (RAP)
• Designed for non-amplified audio systems
• Micro-B USB Updatable
• Pre-Wired for ASWC-1 (Sold separately)

PRIMETIME SALE! Save at checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

additional information required
Add more info to confirm vehicle fitment
Was $116.99 Details
$104.99

In stock

• Provides 12-Volt accessory power (RAP)
• Designed for non-amplified audio systems
• Micro-B USB Updatable
• Pre-Wired for ASWC-1 (Sold separately)

Metra 40-EU30 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1999-2017 vehicles from Mercedes-Benz, BMW, Ford

40-EU30 big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio for select 1999-2017 vehicles from Mercedes-Benz, BMW, Ford

• Antenna Adapter Kit
• select 1999-2017 vehicles from Mercedes-Benz, BMW, Ford Vehicles
• Antenna adapters for adding CD changer or other sources with FM modulator

PRIMETIME SALE! Save at checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

found car based on your search
This product fits your 2009 SLK350
Was $21.99 Details
$18.99

In stock

• Antenna Adapter Kit
• select 1999-2017 vehicles from Mercedes-Benz, BMW, Ford Vehicles
• Antenna adapters for adding CD changer or other sources with FM modulator

Lowest price in 30 days

Metra 99-8713 Dash Kit

Install a new Single-DIN or Double-DIN car stereo in select 2005-2011 vehicles from Mercedes-Benz

99-8713 big
Go to item page Right Arrow Icon of Right Arrow

Install a new Single-DIN or Double-DIN car stereo in select 2005-2011 vehicles from Mercedes-Benz

• Single-DIN or Double-DIN Dash Kit
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

additional information required
Add more info to confirm vehicle fitment
4
Was $49.99 Details
$37.99

In stock

Only 2 Left!

• Single-DIN or Double-DIN Dash Kit
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

American International MBK120S Dash Kit

Install a new Single-DIN car stereo in select 2005-2011 vehicles from Mercedes-Benz (Black)

MBK120S big
Go to item page Right Arrow Icon of Right Arrow

Install a new Single-DIN car stereo in select 2005-2011 vehicles from Mercedes-Benz (Black)

• Single-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

additional information required
Add more info to confirm vehicle fitment
Was $59.00 Details
$16.99

In stock

Only 2 Left!

• Single-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

Dynavin D9-SLK-MOST-64GB

7" Custom-Fit Touchscreen Digital Multimedia Receiver with Bluetooth, Wired/Wireless Apple CarPlay and Android Auto for select 2004-2010 vehicles from Mercedes-Benz (SiriusXM Ready)

Go to item page Right Arrow Icon of Right Arrow

7" Custom-Fit Touchscreen Digital Multimedia Receiver with Bluetooth, Wired/Wireless Apple CarPlay and Android Auto for select 2004-2010 vehicles from Mercedes-Benz (SiriusXM Ready)

Dynavin Loop Bypass required and sold separately
• Custom Fit In-Dash Bluetooth Digital Multimedia Receiver
• 7" Capacitive Touchscreen Display
• Apple CarPlay and Android Auto Compatible
• Built-in Navigation
• 3 sets of 3 volts preamp outputs
• 16-Band Equalizer
• SiriusXM Satellite Radio Ready
• Integrated CANBUS for steering wheel controls

VIP Star Icon

VIP Product Get $88.00 in rewards to spend later

empty

found car based on your search
This product fits your 2009 SLK350

Dynavin Loop Bypass required and sold separately
• Custom Fit In-Dash Bluetooth Digital Multimedia Receiver
• 7" Capacitive Touchscreen Display
• Apple CarPlay and Android Auto Compatible
• Built-in Navigation
• 3 sets of 3 volts preamp outputs
• 16-Band Equalizer
• SiriusXM Satellite Radio Ready
• Integrated CANBUS for steering wheel controls

Limited time!

Kicker CSC65 (46CSC654)

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

CSC654 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

found car based on your search
Fits the following location in your 2009 SLK350
  • Front Door
114
Was $99.99 Details
Save $23.03
$76.96 /pair

In stock

Limited time!

Alpine iLX-W670

7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)

iLX-W670 big
Go to item page Right Arrow Icon of Right Arrow

7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)

• Double DIN Bluetooth Digital Multimedia Receiver
• 7" Capacitive Touchscreen Display Display
• Wired Apple CarPlay and Android Auto Compatible
• 3 sets of 4 volts preamp outputs
• 13-Band Graphic Equalizer with Digital Time Correction
• SiriusXM Satellite Radio Ready

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $30.00 in rewards to spend later

install icon

BONUS $$$ savings on install gear!

found car based on your search
This product fits your 2009 SLK350
55
Was $420.00 Details
Save $120.05
$299.95

In stock

Limited time!

Alpine iLX-W650

7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)

iLX-W650 big
Go to item page Right Arrow Icon of Right Arrow

7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)

• Double DIN Bluetooth Digital Multimedia Receiver
• 7" Capacitive Touchscreen Display Display
• Wired Apple CarPlay and Android Auto Compatible
• 3 sets of 4 volts preamp outputs
• 3-Band Graphic / 9-Band Parametric Equalizer
• SiriusXM Satellite Radio Ready

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

BONUS $$$ savings on install gear!

found car based on your search
This product fits your 2009 SLK350
116
Was $349.95 Details
Save $59.96
$289.99

In stock

Like New from: $263.89

Boss Elite BV850ACP

6.75" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto

BV850ACP big
Go to item page Right Arrow Icon of Right Arrow

6.75" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto

• Double DIN Bluetooth Digital Multimedia Receiver
• 6.75" Capacitive Touchscreen Display
• Apple CarPlay and Android Auto Compatible
• 3 sets of 4 volts preamp outputs
• 10-band Digital Equalizer

PRIMETIME SALE! Save at checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $30.00 in rewards to spend later

empty

found car based on your search
This product fits your 2009 SLK350
4
Was $419.00 Details
$299.99

In stock

• Double DIN Bluetooth Digital Multimedia Receiver
• 6.75" Capacitive Touchscreen Display
• Apple CarPlay and Android Auto Compatible
• 3 sets of 4 volts preamp outputs
• 10-band Digital Equalizer

Limited time!

Belva BMV62W

6.2" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto and Phone Mirroring

BMV62W big
Go to item page Right Arrow Icon of Right Arrow

6.2" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto and Phone Mirroring

• Double DIN Bluetooth Digital Multimedia Receiver
• 6.2" Touchscreen Display
• Wired Apple CarPlay and Android Auto Compatible
• 1 sets of 4 volts preamp outputs
• 16-Band Parametric Equalizer
• Phone Mirroring for iPhone and Android devices

shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

found car based on your search
This product fits your 2009 SLK350
24
Was $269.99 Details
Save $180.00
$89.99

In stock

Used from: $145.99

• Double DIN Bluetooth Digital Multimedia Receiver
• 6.2" Touchscreen Display
• Wired Apple CarPlay and Android Auto Compatible
• 1 sets of 4 volts preamp outputs
• 16-Band Parametric Equalizer
• Phone Mirroring for iPhone and Android devices

Rockford Fosgate Prime R165X3

180W Peak (90W RMS) 6.5" Prime Series 3 Way 4-ohm Coaxial Car Speakers

R165X3 big
Go to item page Right Arrow Icon of Right Arrow

180W Peak (90W RMS) 6.5" Prime Series 3 Way 4-ohm Coaxial Car Speakers

• 90 watts Peak Each, 45 watts RMS Each
• 1/2" Piezo pole-mounted Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

PRIMETIME SALE! Save at checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $8.00 in rewards to spend later

empty

found car based on your search
Fits the following location in your 2009 SLK350
  • Front Door
145
$79.99 /pair

In stock

Used from: $48.99 Like New from: $59.99
Limited time!

Alpine S2-S65

480W Peak (160W RMS) 6.5" S-Series 2-way Coaxial 4-ohm Speakers

S2-S65 big
Go to item page Right Arrow Icon of Right Arrow

480W Peak (160W RMS) 6.5" S-Series 2-way Coaxial 4-ohm Speakers

• 240 watts Peak Each, 80 watts RMS Each
• Hi-Res Audio-certified
• 1" Cloth Dome tweeters
• Polypropylene, Glass Fiber and Mica cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

found car based on your search
Fits the following location in your 2009 SLK350
  • Front Door
5
Was $180.00 Details
Save $60.05
$119.95 /pair

In stock

Lowest price in 30 days

JL Audio C1-650x

150W Peak (100W RMS) 6.5" Evolution C1 Series 2-way 4-ohm Coaxial Car Speakers

C1-650x big
Go to item page Right Arrow Icon of Right Arrow

150W Peak (100W RMS) 6.5" Evolution C1 Series 2-way 4-ohm Coaxial Car Speakers

• 75 watts Peak Each, 50 watts RMS Each
• 3/4" Silk-suspended Aluminum Dome ferrofluid-cooled tweeters with neodymium magnets
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

PRIMETIME SALE! Save at checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $12.00 in rewards to spend later

empty

found car based on your search
Fits the following location in your 2009 SLK350
  • Front Door
33
$119.99 /pair

In stock

Like New from: $99.99

• 75 watts Peak Each, 50 watts RMS Each
• 3/4" Silk-suspended Aluminum Dome ferrofluid-cooled tweeters with neodymium magnets
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Items per page: 20 40 60

    Clear all
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    FAQ for your 2009 SLK350

    Q: Can I upgrade the factory stereo system in my 2009 Mercedes-Benz SLK350?

    A: Yes you can improve your sound in your SLK350 by upgrading your speakers and/or adding an amplifier. You may also be able to update the stereo and main display in your 2009 SLK350 if there is a dash kit and harness solution available.

    Save up to 10 different vehicles in your garage

    2009 Mercedes-Benz SLK350

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner’s manual
    • Vehicle’s insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver’s side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon