NGK Glow Plug for Mercedes-Benz E250, GL350, GLK250, ML350, S350, and Sprinter (2012–2026)

This NGK glow plug preheats the combustion chamber of Mercedes-Benz BlueTEC diesel engines for reliable cold starts and smooth running while warming up. It fits the E250, GL350, GLK250, ML350, S350, and Sprinter 3500XD from 2012–2026. A failed glow plug typically causes hard starting, rough idle, and white smoke when cold.

NGK is a brand of Niterra Co., Ltd., founded in 1936 and based in Nagoya, Japan. Niterra supplies spark plugs, glow plugs, and technical ceramics to vehicle manufacturers and the aftermarket.

Warranty: 24 Months.

Technical Details

• Manufacturer: NGK
• Part number: 91584
• Type: diesel glow plug

Fitment & Compatibility

Confirm your vehicle has a diesel engine before ordering. Check the fitment table below. PMB can confirm fit by VIN.