Mercury Outboard Serial & Model Number Guide
Knowing the features and year of your Mercury outboard can help with ordering Mercury outboard parts and Mercury outboard repair manuals.
You can find your Mercury outboard serial number and model number on an ID tag on the mounting bracket, or in some cases on an engine block freeze plug. See below for a Model Number Description Guide and Serial Number to Year chart.

Mercury Outboard Model Code
Model Code | Engine Features |
---|---|
CXL | Extra long shaft (25"/635mm) driveshaft housing. Left hand prop rotation. (V-6 models). |
CXXL | Extra extra long shaft (30"/762mm) driveshaft housing. Left hand prop rotation. (V-6.models). |
E | Electric start, short shaft (15"/381mm) driveshaft housing. Remote control steering. |
EH | Electric start, short shaft (15"/381mm) driveshaft housing. Tiller handle steering. |
EHO | Electric start, short shaft (15"/381 mm) driveshaft housing. Tiller handle steering. Oil injection standard. |
EL | Electric start, long shaft (20"/508mm) driveshaft housing. Remote control steering. |
ELH | Electric start, long shaft (20"/508mm) driveshaft housing. Tiller handle steering. |
ELHO | Electric start, long shaft (20"/508mm) driveshaft housing. Tiller handle steering. Oil injection standard. |
ELHPT | Electric start, long shaft (20"/508mm) drives haft housing. Tiller handle steering. Power trim standard. |
ELHPTO | Electric start, long shaft (20"/508mm) driveshaft housing. Tiller handle steering. Power trim and oil injection standard. |
ELLH | Electric start, long shaft (22-1/2"/572mm) driveshaft housing. Tiller handle steering. |
ELO | Electric start, long shaft (20"/508mm) driveshaft housing. Remote control-steering. Oil injection - standard. |
ELPT | Electric start, long shaft (20"/508mm) driveshaft housing. Remote control steering. Power trim standard. |
ELPTO | Electric start, long shaft (20"/508mm) driveshaft housing. Remote control steering. Power trim and oil injection standard. |
EMH | Electric start, short shaft (15"/381mm) driveshaft housing. Tiller handle steering. |
EMLH | Electric and manual start, long shaft (20"/508mm) driveshaft housing. Tiller handle steering. |
EO | Electric start, short shaft (15"/381mm) driveshaft housing. Remote control steering. Oil injection standard. |
EPT | Electric start, short shaft (15"/381mm) driveshaft housing. Remote control steering. Power trim standard. |
EXLH | Electric start, extra long shaft (25"/635mm) driveshaft housing. Tiller handle steering. |
EXLHPT | Electric start, extra long shaft (25:/635mm) driveshaft housing. Tiller handle steering. Power trim standard. |
EXLHPTO | Electric start, extra long shaft (25:/635mm) driveshaft housing. Tiller handle steering. Power trim and oil injection standard. |
EXLPT | Electric start, extra long shaft (25"/635mm) driveshaft housing. Remote control steering. Power trim standard. |
L | Long shaft (20"/508mm) driveshaft housing. Right hand prop rotation. (V-6 models). |
M | Manual start, short shaft (15"/381mm) driveshaft housing. Tiller handle steering. |
ML | Manual start, long shaft (20"/508mm) driveshaft housing. Tiller handle steering. |
MLL | Manual start, long-long shaft (22-1/2"/572mm) driveshaft housing. Tiller handle steering |
MLRC | Manual start, long shaft (20"/508mm) driveshaft housing. Remote control steering. |
MRC | Manual start, short shaft (15"/381mm) driveshaft housing. Remote control steering. |
MSL | Manual start, short-long shaft (17- 1/2"/445 mm) driveshaft housing. Tiller handle steering. |
MXL | Manual start, extra long shaft (25"/635mm) driveshaft housing. Remote control steering. |
XL | Extra long shaft (25"/635mm) driveshaft housing. Right hand prop rotation. (V-6 models). |
XXL | Extra extra long shaft (30"/762mm) driveshaft housing. Right hand prop rotation. (V-6 models). |
Mercury Outboard Year by Model & Serial Number