Lincoln 2013 MKZ Owner's Manual page 231

Note: Certain states require electric
trailer brakes for trailers over a
specified weight. Be sure to check state
regulations for this specified weight.
The maximum trailer weights listed
may be limited to this specified weight,
as the vehicle s electrical system may
not include the wiring connector
needed to activate electric trailer
brakes.
Powertrain
2.0L GTDI
3.7L TiVCT
*
Calculated with SAE J2807 method.
Towing
Your vehicle may tow a Class I trailer
provided the maximum trailer weight
is less than or equal to the maximum
trailer weight listed for your vehicle
configuration on the following charts.
Maximum Trailer Weight - lb (kg)
228
1000 (454)
1000 (454)
*