Does this Mercedes-Benz Alternator fit my specific vehicle model and part number?

Yes, this Mercedes-Benz Alternator fits your vehicle if your car is a 5.5L V8 model and matches one of the specific year ranges or the listed replacement part numbers. We selected this unit for our comparison because it matches the 180 Amp output required by these high-output Mercedes-Benz engines.

The Mercedes-Benz Alternator is compatible with specific models including the 2011-2014 CL550, 2012-2018 CLS550, 2012-2017 E550, 2013-2014 GL450, 2013-2014 ML550, 2013-2016 GL550, 2017-2019 GLS550, 2012-2014 S550, 2013-2020 SL550, and the 2012-2016 SLK550 AMG 4.7L V8. It serves as the primary charging component that generates electricity to power your vehicle’s electrical systems and recharge the battery. Because an alternator must provide a consistent electrical load, verifying the specific pulley groove quantity—which is 6 on this unit—is vital to ensure the serpentine belt rotates correctly without slipping. This unit operates at 12.0 Volts and provides an 180 Amp rating. It is designed for clockwise rotation and is compatible with replacement part numbers 11808N, 11808, FG18S029, A0141540902, 0009068601, 0141540902, A0009068601, and A3126.

What to Check Before Buying the Mercedes-Benz Alternator

Before purchasing, you must verify these specific technical details to ensure the part functions correctly with your vehicle’s unique configuration.

• Confirm your vehicle’s specific replacement part number matches 11808N, 11808, or any of the other eight listed codes.
• Verify that your engine’s serpentine belt routing aligns with a 6-groove pulley design to prevent premature belt wear.
• Check if your specific Mercedes-Benz model requires a software “handshake” or coding via the Xentry diagnostic tool to enable full charging capacity.
• Confirm that the internal voltage regulator is compatible with your specific model year’s ECU architecture to avoid “alternator-not-recognized” errors.
• Ensure the unit includes the correct plug-and-play wiring harness for your production year rather than requiring custom splicing.
• Verify that the mounting bracket holes align with your specific engine block configuration, as variations between models like the GLS and ML can affect fitment.

Comparing the Mercedes-Benz Alternator to Other Options

The Mercedes-Benz Alternator is a targeted replacement for specific 5.5L V8 and 4.7L V8 platforms. Buyers seeking a more universal fitment or a different amperage rating may need to look at other alternatives. If your vehicle has a different engine displacement or a different electrical architecture, a different alternator may be required to meet the specific power demands of your car’s electronics. This unit is designed for those who need a direct replacement for the listed part numbers rather than a general-purpose upgrade.

If your vehicle matches the specified year and engine specifications, you should choose this Mercedes-Benz Alternator for a direct replacement. If your vehicle’s part number is not listed or your engine is not a 5.5L V8, you should consult your owner’s manual or a qualified technician to identify the correct part.

If you are searching for a different make, view our top-rated Nissan Altima options to see the best choices for that vehicle.