Fitment: Fits selected models across Audi, Mercedes-Benz, and Volkswagen. Confirm exact fitment before ordering.
Product Description
The Sebring RELAY MULTIFUNCTION #646 5PIN is a vital electrical component designed for use in various Audi, Mercedes-Benz, and Volkswagen models. As part of the multifunction relays and regulators category, this relay manages multiple electrical circuits, ensuring proper operation of key vehicle systems. Its five-pin configuration allows it to control several functions, such as lighting, indicators, or auxiliary systems, depending on your specific vehicle application.
This relay is compatible with select Audi, Mercedes-Benz, and Volkswagen vehicles. However, because relay fitment can vary even within the same make or model, it is crucial to confirm your vehicle’s model, year, engine size, and engine code before ordering. This will help ensure that the relay matches your vehicle’s electrical requirements and connector layout.
Common symptoms of a faulty multifunction relay include intermittent or non-functioning headlights, indicators, or auxiliary electrical components, as well as unusual clicking sounds from the relay box or electrical faults that affect multiple systems. If you are experiencing electrical issues that impact more than one system, a malfunctioning relay may be the cause.
Replacing a faulty multifunction relay is important to restore reliable operation to your vehicle’s electrical systems. If you notice any of the symptoms above, inspect the relay and replace it if necessary. Always disconnect the battery before working on electrical components to ensure safety.
Order with confidence from MiMi Auto Parts. We offer nationwide delivery across South Africa and are committed to helping you find the right part for your vehicle. If you are unsure about compatibility, our team is ready to assist you before you place your order.
Common signs this part may need replacement
Intermittent or non-functioning headlights
Indicators not working or flashing irregularly
Auxiliary electrical components failing to operate
Unusual clicking noises from the relay area
Multiple electrical systems failing simultaneously
Electrical faults that resolve temporarily after vehicle restart
Warning lights related to electrical systems
Difficulty starting the vehicle due to relay failure
Typical replacement guidance
Replace the multifunction relay if you notice irregular operation or failure of multiple electrical systems, such as lighting or indicators. Timely replacement helps maintain safe and reliable vehicle performance, especially if the old relay shows signs of wear or internal damage.
Why timely replacement matters
A faulty multifunction relay can disrupt several key vehicle systems at once, leading to safety risks and inconvenience. Addressing relay issues promptly helps prevent further electrical failures and potential damage to related components.
Vehicle Compatibility
This part is confirmed to fit the following vehicles:
AUDI A1 / S1 (8X1, 8XK) 2011 – 2019 1.0 TFSI (CHZB|DKLD) – 70 kW / 95 HP
AUDI A1 / S1 (8X1, 8XK) 2011 – 2019 1.4 TFSI (CZCA|CZDD) – 92 kW / 125 HP
AUDI A1 / S1 (8X1, 8XK) 2011 – 2019 1.6 TDI (CAYC) – 77 kW / 105 HP
AUDI A1 / S1 (8X1, 8XK) 2011 – 2019 1.8 TFSI (DAJB) – 141 kW / 192 HP
AUDI A1 / S1 (8X1, 8XK) 2011 – 2019 S1 quattro (CWZA) – 170 kW / 231 HP
AUDI A1 / S1 Sportback (8XA, 8XF) 2012 – 2019 1.0 TFSI (CHZB|DKLD) – 70 kW / 95 HP
AUDI A1 / S1 Sportback (8XA, 8XF) 2012 – 2019 1.4 TFSI (CZCA|CZDD) – 92 kW / 125 HP
AUDI A1 / S1 Sportback (8XA, 8XF) 2012 – 2019 1.6 TDI (CAYC) – 77 kW / 105 HP
AUDI A1 / S1 Sportback (8XA, 8XF) 2012 – 2019 1.8 TFSI (DAJB) – 141 kW / 192 HP
AUDI A1 / S1 Sportback (8XA, 8XF) 2012 – 2019 S1 quattro (CWZA) – 170 kW / 231 HP
AUDI A1 Sportback (GBA) 2018 – 2026 30 TFSI (DKJA|DKRF|DUSA) – 85 kW / 116 HP
AUDI A1 Sportback (GBA) 2018 – 2026 35 TFSI (DADA|DPCA|DXDB) – 110 kW / 150 HP
AUDI A1 Sportback (GBA) 2018 – 2026 40 TFSI (CZPC|DKZC) – 147 kW / 200 HP
AUDI A7 / S7 Sportback (4GA, 4GF) 2011 – 2019 3.0 TDI (CLAB) – 150 kW / 204 HP
AUDI A7 / S7 Sportback (4GA, 4GF) 2011 – 2019 3.0 TDI quattro (CDUC|CDUD|CKVB|CKVC) – 180 kW / 245 HP
AUDI A7 / S7 Sportback (4GA, 4GF) 2011 – 2019 3.0 TDI quattro (CGQB) – 230 kW / 313 HP
AUDI A7 / S7 Sportback (4GA, 4GF) 2011 – 2019 3.0 TDI quattro (CRTD) – 200 kW / 272 HP
AUDI A7 / S7 Sportback (4GA, 4GF) 2011 – 2019 3.0 TDI quattro (CVUA) – 235 kW / 320 HP
AUDI A7 / S7 Sportback (4GA, 4GF) 2011 – 2019 3.0 TFSI quattro (CGWB|CHMA) – 220 kW / 300 HP
AUDI A7 / S7 Sportback (4GA, 4GF) 2011 – 2019 3.0 TFSI quattro (CGWD|CGXB|CTTA|CTUA) – 228 kW / 310 HP
AUDI A7 / S7 Sportback (4KA) 2019 – 2026 55 TFSI Mild Hybrid quattro (DLZA) – 250 kW / 340 HP
AUDI Q8 (4MN, 4MT) 2018 – 2026 45 TDI quattro (CVMD) – 183 kW / 249 HP
AUDI Q8 (4MN, 4MT) 2018 – 2026 55 TFSI Mild Hybrid quattro (DCBD) – 250 kW / 340 HP
MERCEDES-BENZ E-CLASS (W210) 1995 – 2002 E 230 (210.037) (M 111.970) – 110 kW / 150 HP
MERCEDES-BENZ E-CLASS (W210) 1995 – 2002 E 240 (210.061) (M 112.911) – 125 kW / 170 HP
MERCEDES-BENZ E-CLASS (W210) 1995 – 2002 E 320 (210.055) (M 104.995) – 162 kW / 220 HP
MERCEDES-BENZ E-CLASS (W210) 1995 – 2002 E 320 (210.065) (M 112.941) – 165 kW / 224 HP
MERCEDES-BENZ E-CLASS (W210) 1995 – 2002 E 430 (210.070) (M 113.940) – 205 kW / 279 HP
MERCEDES-BENZ E-CLASS T-Model (S210) 1996 – 2003 E 240 T (210.261) (M 112.911) – 125 kW / 170 HP
MERCEDES-BENZ E-CLASS T-Model (S210) 1996 – 2003 E 320 T (210.265) (M 112.941) – 165 kW / 224 HP
MERCEDES-BENZ E-CLASS T-Model (S210) 1996 – 2003 E 430 T (210.270) (M 113.940) – 205 kW / 279 HP
MERCEDES-BENZ M-CLASS (W163) 1998 – 2005 ML 270 CDI (163.113) (OM 612.963) – 120 kW / 163 HP
MERCEDES-BENZ M-CLASS (W163) 1998 – 2005 ML 320 (163.154) (M 112.942) – 160 kW / 218 HP
MERCEDES-BENZ M-CLASS (W163) 1998 – 2005 ML 350 (M 112.970) – 173 kW / 235 HP
MERCEDES-BENZ M-CLASS (W163) 1998 – 2005 ML 430 (163.172) (M 113.942) – 200 kW / 272 HP
MERCEDES-BENZ M-CLASS (W163) 1998 – 2005 ML 500 (163.175) (M 113.964|M 113.965) – 215 kW / 292 HP
MERCEDES-BENZ M-CLASS (W163) 1998 – 2005 ML 55 AMG (163.174) (M 113.981) – 255 kW / 347 HP
MERCEDES-BENZ M-CLASS (W164) 2005 – 2011 ML 320 CDI 4-matic (164.122) (OM 642.940) – 165 kW / 224 HP
MERCEDES-BENZ M-CLASS (W164) 2005 – 2011 ML 350 4-matic (164.186) (M 272.967) – 200 kW / 272 HP
MERCEDES-BENZ M-CLASS (W164) 2005 – 2011 ML 350 CDI 4-matic (164.122) (OM 642.940) – 165 kW / 224 HP
MERCEDES-BENZ M-CLASS (W164) 2005 – 2011 ML 350 CDI 4-matic (164.125, 164.124) (OM 642.820) – 170 kW / 231 HP
MERCEDES-BENZ M-CLASS (W164) 2005 – 2011 ML 450 CDI 4-matic (164.128) (OM 629.912) – 225 kW / 306 HP
MERCEDES-BENZ M-CLASS (W164) 2005 – 2011 ML 500 4-matic (164.172) (M 273.963) – 285 kW / 388 HP
Fitment support
Not sure if this part fits your vehicle? Contact MiMi Auto Parts with your vehicle make, model, year, and engine code before ordering and we will help confirm fitment.
Installation note
Some electrical components require correct wiring, calibration, or diagnostic scanning after installation. Professional installation is recommended where applicable.
Frequently Asked Questions
How do I know if it is the alternator or the battery?
Both can cause starting and charging problems. A charging-system test distinguishes a failing alternator from a weak battery. Have the system tested before replacing parts to confirm the actual fault.
Does this part fit my vehicle?
Please check the vehicle compatibility section on this page and confirm your vehicle make, model, year, engine size, and engine code before ordering. If you are unsure, contact MiMi Auto Parts before checkout.
Is the price VAT-inclusive?
Yes, product prices on MiMi Auto Parts are shown inclusive of VAT where applicable.
Do you deliver across South Africa?
Yes, MiMi Auto Parts delivers nationwide in South Africa. Delivery cost and estimated timing are calculated during checkout based on your location.
Is professional installation recommended?
Professional installation is recommended for safety-critical and technical parts such as airbag, clock spring, brakes, suspension, steering, clutch, cooling, engine, and electrical components. For guidance specific to this part, see the installation note on this page.
