Minimum wage in Mexico is $3.98 per day as of 1/1/16, per Wage Indicator. Mechanic for automobiles minimum wage is $5.77 for an entire 8 hour day

.
"Minimum Wages in Mexico with effect from 01-01-2016," WageIndicator.org

"The minimum wage rates in the table are in MXN (MX Peso)"

"Job Types-General Workers" "Minimum wage per day-General Workers [$3.98 US per day]"

"Professional Workers Minimum Wages January 2016"

"Job type-Minimum wage per day"

"Bulldozer and/or digger operator 112.17 [$6.11 US per day]

Car and truck painter 102.58 [$5.59 US per day]

Mechanic for automobiles and trucks 105.95 [$5.77 US per day]"...

Footnotes:

"1....Legal minimum wages in Mexico are declared on daily basis. (refer to Media Bulletin Dt. 18 Dec 2010) 

2. Article 61 defines the maximum duration of the day is: eight hours the day, seven the night and seven thirty when mixed. Also as per article 85 of the Labour Law, salary paid to a worker (not less than minimum wage) should be based on a normal work day of 8 hrs or 7.5 night hrs."... 
.........................

Above conversion from Bing


...................