AC Blower Motor Regulator / Resistor 90-93 Mercedes-Benz E CE SE SL SEL In order to avoid return hassle and save yours and our time, you must cross-check indicated reference part numbers against those found on your old unit. Do not rely on vehicles compatibility list, which is presented for the reference purpose and shouldn't be your guide to determine compatibility. If you are unsure, you may call local dealership (auto parts dept.) to obtain correct part numbers or ask your mechanic. If you would like us to help you, please contact us and provide your vehicle's detailed info such as: Make/Model/Year/Engine/Full VIN# and we will do our best to find compatibility. PART REFERENCE NUMBERS: OEM: STANDARD MOTOR: 1248212151 124 821 21 51 1248212151A 124 821 21 51 A RU563 *Please cross-check indicated OEM reference codes against those found on your current unit. You may call local dealership (auto parts dept.) to obtain correct numbers. COMPATIBLE VEHICLES: *Note: for the models with dust filters! Models presented for reference purpose only! MAKE: MODEL: YEAR: MERCEDES-BENZ 300CE (1991 - 1993) MERCEDES-BENZ 300D (1991 - 1993) MERCEDES-BENZ 300E (1991 - 1993) MERCEDES-BENZ 300SD (1992 - 1993) MERCEDES-BENZ 300SE (1991 - 1993) MERCEDES-BENZ 300SEL 1991 MERCEDES-BENZ 300SL (1991 - 1993) MERCEDES-BENZ 300TE (1991 - 1993) MERCEDES-BENZ 350SD 1991 MERCEDES-BENZ 350SDL (1990 - 1991) MERCEDES-BENZ 400E (1992 - 1993) MERCEDES-BENZ 400SE 1992 MERCEDES-BENZ 400SEL 1993 MERCEDES-BENZ 420SEL (1990 - 1991) MERCEDES-BENZ 500E (1992 - 1993)