Complete product catalogue
Alternator, AL-E551
This spare part fits on cars MERCEDES-BENZ
CLS (C218)
| Body/Volume | Installation period | Car configuration |
|---|---|---|
| CLS 500 (218.373) | 2011.02-2017.12 | 4.6L GASOLINE M278.922 CGI (408 PS / 300 kW) Rear-wheel drive. Left Hand Drive |
| CLS 500 4-matic (218.391) | 2011.09-2017.12 | 4.6L GASOLINE M278.922 CGI (408 PS / 300 kW) Four-wheel drive (4WD). Left Hand Drive |
E-CLASS COUPE (C207)
| Body/Volume | Installation period | Car configuration |
|---|---|---|
| E 500 CGI (207.373) | 2011.09-2016.12 | 4.6L GASOLINE M278.922 CGI (408 PS / 300 kW) Rear-wheel drive. Left Hand Drive |
GL-CLASS (X166)
| Body/Volume | Installation period | Car configuration |
|---|---|---|
| GL 500/ 550 4-matic (166.873) | 2012.07-2015.10 | 4.6L GASOLINE M278.928 CGI (435 PS / 320 kW) Four-wheel drive (4WD). Left Hand Drive |
| GL 450 4-matic (166.872) | 2012.07-2015.12 | 4.6L GASOLINE M278.928 CGI (367 PS / 270 kW) Four-wheel drive (4WD). Left Hand Drive |
| GL 500 4-matic (166.871) | 2015.04-2015.12 | 4.7L GASOLINE M278.912 CGI (435 PS / 320 kW) Four-wheel drive (4WD). Left Hand Drive |
GLE (W166)
| Body/Volume | Installation period | Car configuration |
|---|---|---|
| GLE 500/ 550 4-matic (166.073) | 2015.10-2018.10 | 4.6L GASOLINE M278.928 CGI (456 PS / 333 kW) Four-wheel drive (4WD). Left Hand Drive |
GLS (X166)
| Body/Volume | Installation period | Car configuration |
|---|---|---|
| GLS 500/ 550 4-matic (166.873) | 2015.11-2019.04 | 4.6L GASOLINE M278.928 CGI (456 PS / 335 kW) Four-wheel drive (4WD). Left Hand Drive |
| GLS 500 4-matic (166.871) | 2015.11-2019.04 | 4.7L GASOLINE M278.912 CGI (455 PS / 335 kW) Four-wheel drive (4WD). Left Hand Drive |
M-CLASS (W166)
| Body/Volume | Installation period | Car configuration |
|---|---|---|
| ML 500/ 550 4-matic (166.073) | 2012.02-2015.02 | 4.6L GASOLINE M278.928 CGI (408 PS / 300 kW) Four-wheel drive (4WD). Left Hand Drive |
S-CLASS (W221)
| Body/Volume | Installation period | Car configuration |
|---|---|---|
| S 500 CGI 4-matic (221.094) | 2011.03-2013.12 | 4.7L GASOLINE M278.932 CGI (435 PS / 320 kW) Four-wheel drive (4WD). Left Hand Drive |
| S 500 CGI 4-matic (221.194) | 2011.03-2013.12 | 4.7L GASOLINE M278.932 CGI (435 PS / 320 kW) Four-wheel drive (4WD). Left Hand Drive |
| S 500 CGI (221.073) | 2011.04-2013.12 | 4.7L GASOLINE M278.932 CGI (435 PS / 320 kW) Rear-wheel drive. Left Hand Drive |
| S 500 CGI (221.173) | 2011.04-2013.12 | 4.7L GASOLINE M278.932 CGI (435 PS / 320 kW) Rear-wheel drive. Left Hand Drive |
Masuma alternators are designed for 12V vehicle electrical systems and deliver a stable output voltage of approximately 14 volts, ensuring reliable power supply under all operating conditions.
Key features of Masuma alternators:
- Compact, high-efficiency design with an internal dual-blade fan integrated into the rotor. This setup provides effective cooling, reduces overall weight, and helps minimize noise during operation.
- Durable construction using high-quality components and heat-resistant polymer materials in the rotor to withstand elevated engine bay temperatures.
- Thorough testing of every unit, including durability trials with repeated acceleration and deceleration cycles, as well as output performance measurements under various load conditions.
Each alternator product page provides detailed specifications, including:
- Output voltage and current
- Voltage regulator connector type and pin configuration
- Pulley parameters (outer diameter, number of grooves)
- Presence of a freewheel belt pulley (overrunning pulley)
About Masuma
Masuma is a global brand specializing in auto parts, components, and consumables. The company focuses on producing high-wear replacement parts for post-warranty maintenance of Asian and European vehicles.
Masuma’s strategy is to deliver the best balance of reliability and cost, making quality parts accessible to more drivers and service professionals. All products are developed according to Masuma’s own specifications and manufactured under strict quality control by Masuma Auto Spare Parts Co., LTD (Tokyo, Japan) at multiple state-of-the-art factories across East Asia.